Useful tools for everyday work
Free Manlin tools for images, documents, media, development and everyday tasks.
Word CounterCount words, characters, sentences and paragraphs as you type. See reading time, top keywords and X, Instagram and meta-description limits. Free, private, works with Chinese and Japanese.
JSON FormatterFormat, validate and minify JSON free. Pinpoints errors by line and column, sorts keys, shows a collapsible tree with copyable paths, and keeps big numbers exact. Runs in your browser.
Base64 Encoder & DecoderEncode text or any file to Base64 and decode it back. URL-safe Base64, data URIs, image preview, hex view and character sets. Runs in your browser.
URL Encoder & DecoderPercent-encode or decode text, query values and whole URLs, find broken escapes, unwrap double encoding, and edit a URL’s query parameters in a table.
UUID GeneratorGenerate UUID v4, v7 and v1, ULIDs and Nano IDs, up to 10,000 at a time, in the format your code needs. Validate any UUID and read the time inside it.
Password GeneratorGenerate strong random passwords and passphrases free: choose length and characters, skip look-alikes, see the entropy. Made in your browser, never sent or stored.
Random Number GeneratorFree random number generator: any range, up to 10,000 numbers, no repeats, sorting, decimals, copy and download. Unbiased, cryptographically secure random numbers.
Flip a CoinFlip a coin online: a fair heads or tails with a 3D coin, flip up to 10 coins at once, and see the tally, percentages, streaks and history.
Dice RollerFree online dice roller with 3D dice: d4, d6, d8, d10, d12, d20, d100 and any notation such as 3d6+2, 4d6dl1 or 2d20kh1. Fair rolls, totals, odds and history.
StopwatchA free, accurate online stopwatch with lap and split times, fastest and slowest laps, a full-screen display, keyboard shortcuts and CSV export. Keeps counting after a reload.
JWT DecoderDecode JSON Web Tokens free: header, payload and readable exp/iat/nbf times. Verify HS, RS, PS, ES and EdDSA signatures and sign new tokens. Tokens never leave your browser.
Regex TesterTest JavaScript regular expressions free: live match highlighting, capture and named groups, replace and extract preview, a plain-words explanation, a cheat sheet and ready-made patterns.
Unix Timestamp ConverterConvert Unix timestamps in seconds, ms, µs or ns to dates in any time zone and back. ISO 8601, RFC 2822, batch conversion, live epoch clock and a cron expression explainer.
SQL FormatterFormat or minify SQL free for 20 dialects including PostgreSQL, MySQL, SQL Server, Oracle, BigQuery and Snowflake. Keyword case, indent and comma style, syntax colors. Runs in your browser.
2048Play 2048 free online: swipe or use arrow keys, undo moves, try 3×3 to 6×6 boards, a daily challenge with the same tiles for everyone, stats and colour-blind-safe tiles.
Interactive Star MapExplore an interactive star map for any location and date. Find stars, constellations and planets, animate the sky and export a custom star chart.
Car Poster MakerCar Poster Maker. Your photos stay in this browser. Export PNG or JPG with editable text and optional plate covers.
Used Car Listing Photo EditorUsed Car Listing Photo Editor. Your photos stay in this browser. Export PNG or JPG with editable text and optional plate covers.
EV Charging CalculatorEV Charging Calculator · Estimated charging time · Electricity consumed · Trip cost
Tire & Wheel Size CalculatorCompare tire sizes and wheel offset with diagrams, diameter, sidewall, rim shifts and theoretical speed changes. Free and local.Fuel Cost & Consumption CalculatorCalculate trip fuel cost or measured fuel consumption. Convert L/100km, km/L and US or imperial MPG. Free, local, with report downloads.
License Plate BlurHide license plates in photos with manual rectangles, solid cover, pixelation or blur. Local processing, original-size exports and batch ZIP.
Mouse Sensitivity ConverterConvert game sensitivity and DPI while keeping the same cm/360°. Free, local, with eDPI and downloadable settings.Aim TrainerPractice clicking, target switching and tracking in your browser. Free 2D aim drills, local history and downloadable scorecards.
Tier List MakerCreate a tier list with images or text, drag or tap to rank, and export PNG or editable JSON. Free and local.
Image ConverterConvert images between JPG, PNG, WebP, GIF and BMP for free. Batch convert many images at once, set the quality and download a ZIP. No upload, no sign-up, no watermark.
Image CompressorCompress images online for free. Reduce the file size of JPG, PNG and WebP photos in batches, choose the quality and format, and download a ZIP. No upload, no sign-up, no watermark.
Image ResizerResize images online for free. Set an exact size in pixels, scale by percent or pick a social media size, resize many photos at once and download a ZIP. No upload, no sign-up, no watermark.
Background RemoverRemove the background from photos free: AI cuts out people, pets and products in your browser. Transparent PNG, white or color background, batch download. No upload, no sign-up.
Batch Product Photo EditorPrepare product photos in batches: remove backgrounds, match subject size and alignment, and export several sizes in one ZIP.
Image UpscalerUpscale images 2x, 3x or 4x with AI, free. Compare before and after, download PNG, JPG or WebP. Runs in your browser: no upload, no sign-up, no watermark.
Image CropperCrop an image online for free. Drag the crop box, lock 1:1, 4:3, 16:9 or social sizes, rotate and flip, make a transparent circle crop, and download PNG, JPG or WebP. No upload, no sign-up.
Flip, Rotate & Mirror ImageMirror, flip or rotate images online for free. Turn photos 90° or any angle, straighten tilted shots and create mirror effects. No upload, no watermark.Image SplitterSplit an image into grid tiles or strips and download every piece in one numbered ZIP. Free, private and no watermark.
Compare ImagesCompare two images with a before and after slider, side by side, overlay or a difference heatmap. See changed pixels, PSNR and SSIM. Free and private.
Add Border to PhotoAdd a border to your photos online: solid, double or gradient frames, Polaroid and film-strip looks, rounded corners, drop shadow and padding to square or any ratio. Free, private and no watermark.
Favicon GeneratorTurn an existing logo or image into a complete favicon package: ICO, PNG icons, web manifest and HTML. Free, private and no watermark.Meme GeneratorMake memes locally with your own photos, wrapped captions, outlines and two-image comparisons. Download PNG or JPG free, with no upload or watermark.
Photo EditorEdit photos online for free: exposure, curves, color mixer, 31 looks, crop and straighten, heal and clone, local adjustments, text, stickers and layers. Runs in your browser, no upload, no sign-up.
Color PickerFree online color picker: choose from a color wheel, your screen or a photo, convert HEX, RGB, HSL, OKLCH and CMYK, build palettes, check contrast and export code.
Image VectorizerCompletely free AI image vectorizer and SVG converter by Manlin. Turn PNG, JPG and WebP into SVG with free conversion and downloads, no watermark, no sign-up and no credit card. Images stay in your browser.
EXIF RemoverRemove EXIF data, GPS location and other metadata from JPG, PNG and WebP photos for free. See what your photo reveals, clean it without re-encoding, and download one file or a ZIP. No upload.
RAW & PSD ConverterConvert RAW photos to JPG, PNG or WebP free: CR2, NEF, ARW, DNG, ORF, RW2, RAF and PSD files. See camera details, batch convert, no upload.
Image EraserRemove people, objects and text from photos for free. Brush over what you don’t want and AI fills it in. Runs in your browser: no upload, no sign-up, no watermark.
Passport Photo MakerMake a passport or visa photo free: US 2×2, UK, Schengen, Canada, India, China and more. Auto crop to the official head size, white background, 4×6 print sheet. No upload.Logo MakerMake a logo free: your name, an icon, a font and colours in 23 layouts. Download vector SVG, transparent PNG up to 4096 px, a favicon set and social media sizes. No sign-up.
Photo Collage MakerMake a photo collage free in your browser: grids, mosaic, freeform and heart layouts, text, backgrounds and sizes for Instagram, Facebook, Pinterest and 300 DPI prints.
Contact Sheet MakerMake a photo contact sheet in your browser: add up to 200 photos, choose paper size, grid, captions and a film-strip look, then download a PDF or PNG/JPG. No upload.
Face SwapperSwap faces in photos free. Pick the face to replace, add a new face, and download a realistic result with no watermark. Runs in your browser, nothing is uploaded.
Old Photo RestorationRestore old photos online free: AI adds natural color to black-and-white and sepia prints, restores faded faces and enlarges up to 4×. No upload, no sign-up, no watermark.
Image ColorizerColorize black-and-white photos with AI, free. Natural colors at full resolution, adjustable intensity, before/after slider. Runs in your browser: no upload, no sign-up, no watermark.
AI Face EnhancerRestore blurry, low-resolution and old faces in photos for free. AI sharpens every face in your browser, with optional upscaling up to 4×. No upload, no sign-up, no watermark.
Photo to CartoonTurn your photo into a cartoon free: AI anime, soft pastel and comic styles plus a pencil sketch, right in your browser. Strength slider, batch ZIP, JPG, PNG or WebP. No sign-up, no watermark.
Add WatermarkFree batch watermark tool by Manlin. Add text or logo watermarks to up to 100 photos at once, tile or rotate them, and download full-resolution images or a ZIP. No sign-up, no upload.
Image to Prompt GeneratorTurn any image into a detailed AI prompt, caption or tags, free. The AI describes your picture in your browser: copy the prompt or create a new image from it.
AI Prompt GeneratorBuild detailed prompts for AI images and videos, free. Pick a subject, style, lighting, camera and motion, get tips for each model, then copy or create in one click.
AI Image DetectorCheck if a picture was made with AI, free. Reads Content Credentials and AI metadata, then estimates how likely the image is AI-generated. Runs in your browser, no upload.
Photo Location FinderFind where a photo was taken for free: read the GPS location saved in the file or get an AI guess from what the picture shows. Runs in your browser, nothing is uploaded.
Mockup GeneratorFree mockup generator by Manlin. Put your design on photoreal phones, laptops, TVs, posters, bags, boxes, shop signs and billboards and download high-resolution mockups. No watermark, no sign-up, no upload.
App Store Screenshot GeneratorFree App Store and Google Play screenshot generator by Manlin. Add device frames, headlines and backgrounds, then download every store size in one ZIP. No sign-up, no upload, no watermark.Screenshot BeautifierStyle screenshots with backgrounds, rounded corners and shadows. Add arrows, numbered steps and opaque privacy covers, then save PNG.
Portrait BeautifierRetouch selfies and portraits free in your browser: one-tap looks, skin smoothing that keeps texture, blemish removal, face slimming, bigger eyes, whiter teeth and light makeup. No sign-up, no watermark.Face BlurBlur, pixelate or cover every face in your photos for free. Faces are found automatically, even in crowds; keep anyone visible with one tap. Batch, no upload, no watermark.
Depth Map GeneratorMake a depth map from any photo free with AI in your browser: grey, color or 16-bit PNG, plus a looping 3D photo video as MP4, WebM or GIF. No upload, no sign-up.
Segment AnythingSelect and cut out any object from an image online, free: click it, refine with more clicks, and download a transparent PNG or a mask. Runs in your browser, no upload, no sign-up.
Photo BoothTake photo booth pictures with your webcam: countdown burst, 17 filters, photo strips, grids, instant photos, stickers and text. Save PNG, JPG, GIF or video. Free.
Online drawing appDraw and paint online for free: layers with blend modes, pencil, ink, marker, airbrush, watercolour and pixel brushes, symmetry, pen pressure. Export PNG, JPG, WebP.
Merge PDFMerge PDF files into one, free: drag to set the order, combine any number of PDFs and download. No upload, no sign-up, no watermark, no file limits.
Compress PDFCompress a PDF free: shrink its pictures to reduce the file size while text stays sharp and searchable. Choose the level, see the result. No upload, no sign-up, no watermark.
PDF to WordConvert PDF to an editable Word document (.docx) free. Keeps paragraphs, headings, lists, tables, pictures and links. Runs in your browser: no upload, no sign-up, no watermark.
Word to PDFConvert Word documents (.docx) to PDF free. Real, selectable text, tables, pictures, headers and page numbers. Runs in your browser: no upload, no sign-up, no watermark.
PDF to JPG ConverterConvert PDF to JPG, PNG or WebP free: pick pages, set the DPI up to 300 or more, download one image or a ZIP. Extract pictures too. No upload, no limits, no watermark.
Image to PDF ConverterConvert JPG, PNG and other images to one PDF free: reorder and rotate, choose A4, Letter or image size, margins and several images per page. No upload, no watermark.
Split PDFSplit a PDF free: by page ranges, into single pages or every few pages, or extract the pages you pick. Download a PDF or a ZIP. No upload, no sign-up, no watermark.
PDF EditorEdit PDFs free in your browser: add and change text, images, shapes and signatures, highlight, fill forms, redact, add page numbers and rearrange pages. No sign-up, no watermark.
Sign PDFSign a PDF free: draw, type or upload your signature, place it on any page and add the date. No account, no upload, no watermark.
OCRFree OCR: turn photos, screenshots and scanned PDFs into editable text, searchable PDF or Word in 50+ languages. Runs in your browser: no upload, no sign-up.
Rotate PDFRotate PDF pages 90, 180 or 270 degrees, delete pages and change their order, free. Save a new PDF with the text intact. No upload, no sign-up, no watermark.
PDF to ExcelConvert PDF tables to Excel for free: ruled and borderless tables, merged cells, tables across pages, real numbers and dates. Edit, then download XLSX or CSV. No upload.
Unlock PDFRemove the password and printing, copying and editing restrictions from a PDF when you know its password. Free, in your browser: no upload, no sign-up.
Excel to PDFConvert Excel spreadsheets (.xlsx, .xls, .ods, .csv) to PDF free. Keeps formatting, print areas and header rows; fit all columns on one page. Runs in your browser.
PDF to PowerPointConvert PDF to PowerPoint (.pptx) free: one slide per page with editable text boxes and movable pictures, or each page as a picture. Runs in your browser, no upload.
HTML to PDFConvert HTML code or an .html file to PDF free, with selectable text, print styles, page breaks, margins, headers and page numbers. Runs in your browser, no upload.
Text to PDFConvert text, Markdown, logs and code to PDF free. Headings, lists, tables, links and bookmarks, page size, fonts, header and footer. Selectable text, no upload.
CSV to PDFConvert CSV and TSV files to a clean PDF table free: header row on every page, auto column widths, landscape, zebra stripes, sort and filter. No upload.
Redact PDFRedact PDF files for free: black out text, pictures and drawings for good, find emails, phone and card numbers, remove metadata, then check the result. No upload.
PDF ReaderRead PDFs online free: thumbnails, contents, search with highlights, zoom, two-page view, dark mode, presentation and print. Opens in your browser, no upload.
Compare DocumentsCompare two versions of a PDF, Word file or text word by word. Side-by-side, redline and highlights on the PDF pages; moved paragraphs found. Free, no upload.
PDF PreflightFree online PDF preflight: check fonts, image resolution, bleed and trim, RGB and spot colours, total ink, hairlines and small text before printing. Fix boxes and bleed. No upload.
Bates NumberingAdd Bates numbers to PDFs free: one continuous sequence across files, prefix, suffix, zero-padding, six positions, files named by range, a CSV index. No upload.
PDF ImpositionImpose a PDF for print, free: saddle-stitch booklets, perfect-bound signatures, n-up, step and repeat, cut and stack, work and turn, with crop and registration marks. No upload.
Video Compressor & EditorCompress video to a smaller size or to fit 10 MB or 25 MB, trim, crop, change speed, convert MP4 to MP3 and remove audio. Free in your browser: no upload, no watermark.
Video ConverterConvert videos to MP4, WebM, MOV or MKV for free. Pick the quality and resolution, preview the result and download. Runs in your browser: no upload, no sign-up, no watermark.
Video EditorEdit videos free in your browser: multi-track timeline, split and trim, transitions, titles, subtitles, music, speed and colour, then export MP4, WebM, GIF or MP3. No upload, no sign-up, no watermark.
Video to GIF ConverterConvert video to GIF free in your browser: trim MP4, MOV or WebM clips, choose the size and frame rate, and download a looping GIF. No sign-up, no upload, no watermark.
GIF MakerMake an animated GIF from photos or images free in your browser: reorder frames, set the speed, loop, size, crossfade and text, then download a GIF or MP4. No sign-up, no upload.
Subtitle GeneratorGenerate subtitles from speech automatically, free. Edit captions, style them, download SRT, VTT or TXT, or burn them into your MP4. No upload, no watermark.
Screen RecorderRecord your screen, a window or a tab with your webcam and microphone, right in the browser. No install, no sign-up, no watermark, no time limit. Save MP4 or WebM.
Video UpscalerUpscale short videos 2x, 3x or 4x with AI for free. Every frame is enhanced in your browser, the sound is kept and you download an MP4. No upload, no sign-up, no watermark.
Green Screen Video EditorRemove green screen from video free in your browser: pick the key colour, clean the edges, add a colour, image or video background, and export MP4 or transparent WebM. No upload.
Reverse VideoReverse a video online for free: play it backwards with reversed sound, make a boomerang loop, rotate or flip it. Runs in your browser, no watermark.
Media MergerMerge videos and combine audio files into one, free: drag to set the order, join MP4, MOV, WebM, MP3, WAV and more, then download. No upload, no sign-up, no watermark.
Subtitle EditorEdit subtitles in your browser with a waveform timeline and live video preview. Fix timing and drift, check reading speed, convert SRT, VTT, ASS, SSA, SBV, TTML, SUB and LRC, batch convert and burn in. Free, no upload.
Video Background RemoverRemove the background from any video free with AI, no green screen needed. Export transparent WebM, green screen MP4, a blurred or new background, or PNG frames. Runs in your browser.
Talking PhotoMake a photo talk free: add a portrait and a voice clip, and AI moves the mouth in sync with the speech. Download an MP4. In your browser, no upload, no sign-up.
Video FPS IncreaserDouble the frame rate of a short video for free: AI makes a new frame between every two, so 30 fps becomes 60. Runs in your browser, keeps the sound and speed. No upload, no sign-up, no watermark.
AI Slow MotionMake smooth slow motion from any video for free: AI draws the in-between frames at 2×, 4× or 8×. Slow one moment or the whole clip, keep the sound. No upload.
LUT GeneratorMake your own colour-grading LUT, preview 55 free looks on your photo or video, convert .cube, .3dl and HALD, and apply LUTs to photos and MP4s. Free, in your browser.
TeleprompterFree online teleprompter: paste your script, set the speed in words per minute, mirror it for teleprompter glass, control it with a keyboard or Bluetooth remote, and record yourself. No app, no sign-up.
Countdown Video MakerMake countdown videos free: 10-second intros, timers up to an hour and countdowns to a date. 10 animated styles, sounds, green screen, MP4 in 9:16, 1:1 or 16:9.
Bar Chart Race MakerTurn a CSV or pasted table into a bar chart race video, free. Smooth overtakes, top-N bars, dates, colours, flags and your music. Download MP4 in 9:16, 1:1 or 16:9.
Audio ConverterConvert audio to MP3, WAV, M4A, OGG or FLAC for free, pick the quality and cut out the part you need. Works with video too. No upload, no sign-up, no watermark.
Text to SpeechTurn text into natural-sounding speech for free. 16 English voices, adjustable speed, read along as it plays and download MP3 or WAV. Runs in your browser, no sign-up.
Speech to TextFree speech to text: transcribe audio, video and microphone recordings in about 100 languages. Edit the transcript, then download TXT, Word, SRT, VTT or JSON.
Voice RecorderRecord your voice online for free: live level meter, pause and resume, playback, then save as MP3, WAV or WebM. Works in your browser. No upload, no sign-up.
Audio TrimmerTrim MP3, WAV, M4A, OGG and FLAC files free: drag the handles on the waveform, preview the part, add fades and save as MP3 or WAV. No upload, no sign-up, no watermark.
Vocal Remover & Stem SplitterRemove vocals from any song for free, or split it into vocals, drums, bass and other. AI separation runs in your browser: mix the stems, make karaoke tracks and download WAV or MP3. No upload, no sign-up.
Voice ChangerChange your voice online free: record or open a file, pick robot, chipmunk, deep, alien, cave, telephone or whisper, fine-tune pitch, formant and speed, compare before and after, and save as MP3, WAV or WebM. No sign-up, no watermark.
Audio Noise RemoverRemove background noise from voice recordings and videos for free. AI cleans hiss, hum, fans and keyboard noise in your browser. Compare before and after, then download WAV, MP3 or the video. No upload, no sign-up.
Music MakerMake beats and songs in your browser for free: step sequencer with 7 drum kits, piano roll, 49 synth sounds, mixer with effects, song arranger and 12 genre templates. Export WAV, MP3, FLAC, stems or MIDI. No sign-up.
Online PianoPlay a full 88-key piano in your browser with your computer keyboard, mouse, touch or MIDI. 8 sounds, sustain pedal, WAV and MIDI recording, and a learn mode with 15 songs. Free.
TunerTune any instrument with your microphone: chromatic tuner, guitar, bass, ukulele, violin, cello and more, with alternate tunings, A4 calibration and reference tones. Free, no sign-up.
MetronomeA precise online metronome: 20–400 BPM, any time signature, accents, subdivisions, swing, polyrhythms, tempo trainer, silent bars, presets and click track download. Free.
Online GuitarPlay guitar online for free: strum and pick a real-sounding virtual guitar, 1,000+ chord shapes, 26 progressions, tunings, capo, scales, recording to tab, WAV and MIDI. No sign-up.
White Noise GeneratorPlay white, pink, brown, blue, violet and grey noise or rain, ocean, wind, fire and crickets. Mix sounds, set a sleep timer. Generated live, never loops. Free.
Loudness MeterMeasure integrated LUFS, short-term and momentary loudness, loudness range and true peak to EBU R128 in your browser. Check streaming and broadcast targets, normalize with a true-peak limiter. Free, no upload.
Sheet Music MakerWrite sheet music in your browser: notes, chords, lyrics, repeats, dynamics and several instruments. Play it back, then export PDF, MusicXML, MIDI, PNG, SVG or WAV. Free, no sign-up.
AI Music DetectorCheck if a song was made with AI, free. Reads AI tags and Content Credentials, then estimates how likely the audio is AI-generated. Runs in your browser, no upload.Online CalculatorFree online calculator with big keys, a paper-style tape, memory keys, percent, square root and full keyboard support. Copy any result. Free, no sign-up.Scientific CalculatorFree online scientific calculator: trig in degrees or radians, logs, powers, roots, factorials, nCr, memory and history. Type with your keyboard. Exact decimals.
Percentage CalculatorFree percentage calculator: X% of Y, what percent X is of Y, percentage change, increase or decrease by a percent, and percentage difference. Live answers with the working.
BMI CalculatorFree BMI calculator in kg/cm or lb/ft: your BMI, WHO weight category and healthy weight range. BMI-for-age percentiles for children and teens from CDC charts.
Age CalculatorFree age calculator: exact age in years, months and days, days lived and next birthday. Also counts days between dates and adds or subtracts days. No sign-up.
Loan CalculatorFree loan calculator: monthly payment, total interest, extra payments and a full amortization schedule with chart and CSV. Mortgage mode with tax and insurance.
Currency ConverterFree currency converter with daily European Central Bank reference rates for 30 currencies, cross rates, a 30-day to 1-year chart and a multi-currency table.
Salary CalculatorFree salary calculator: convert hourly, weekly, monthly and yearly pay, add overtime, and estimate take-home pay after 2026 US federal, state and FICA taxes or UK PAYE and NI.
Calorie CalculatorFree calorie calculator: BMR and TDEE, calories to lose or gain weight at your pace, macro split, water intake, and a food log with 2,300 USDA foods. Metric or US units.
GPA CalculatorFree GPA calculator for the US 4.0 scale with plus and minus grades: credits, weighted GPA for honors and AP, several semesters and cumulative GPA.
Graphing CalculatorFree online graphing calculator: plot functions, parametric, polar and implicit curves, add sliders, find roots, extrema and intersections, see a table of values and export PNG.
Math SolverFree math solver with steps: fractions, equations, systems, inequalities, factoring, derivatives, integrals, limits, series and matrices. Every answer is checked.
Online TimerFree online timer with alarm: quick presets, several named timers at once, notifications, countdown in the tab title, full screen, and a countdown to any date.
Pomodoro TimerFree pomodoro timer: 25-minute focus sessions with short and long breaks, adjustable lengths, a task list, sounds, notifications and daily focus statistics.
World ClockFree world clock: the current time in cities worldwide, time differences, daylight saving changes, and a meeting planner that finds hours when everyone is working.
Spin the WheelFree spin the wheel random picker: add names or options, set weights, colours and pictures, remove winners, share the wheel as a link. Fair, cryptographically random results.
QR Code GeneratorFree QR code generator by Manlin. Make QR codes for links, Wi-Fi, contacts and more with your colors and logo. Download PNG or SVG. No sign-up, no watermark, and codes never expire.
Barcode GeneratorMake barcodes free: EAN-13, UPC-A, Code 128, GS1-128, ITF-14, Data Matrix and more, with check digits. Download SVG, EPS, PDF or PNG at 300/600 DPI, or a label sheet.
Font GeneratorFree font generator: type once and copy your text in 30 fancy styles – cursive, bold, gothic, bubble, small caps, upside down and more. Works in Instagram, TikTok and Discord. No ads.
Online Python CompilerFree online Python compiler: write and run Python 3 code in your browser with input(), numpy, pandas and matplotlib charts, files and share links. No sign-up.
Online Code RunnerFree online code runner: run JavaScript and TypeScript, preview HTML, CSS and JS live, practise SQL on SQLite and run Lua in your browser. No sign-up.
Hash GeneratorHash text or files of any size with MD5, SHA-1, SHA-2, SHA-3, BLAKE2/3, CRC32 and xxHash, make HMACs and verify checksums. Runs in your browser.
Data Format ConverterConvert JSON, YAML, TOML, XML, CSV, INI, .env and query strings in any direction, with exact line and column errors. Generate TypeScript, Zod, Go and Python types.
Resume BuilderBuild a resume and cover letter free. 10 ATS-friendly templates, live preview, PDF with real text, Word, plain text and JSON Resume. No sign-up, no watermark.
Invoice GeneratorMake professional invoices, quotes, receipts and credit notes free. Exact tax maths, 7 templates, 12 print languages, PDF and Factur-X / XRechnung e-invoices. No sign-up.
Document TranslatorTranslate .docx, .pptx, .xlsx, PDF and text files between more than 50 languages, free. Formatting, tables and pictures stay. Edit the translation side by side. No upload, no sign-up.
Grammar CheckerCheck English spelling, grammar, punctuation and style for free. Fix mistakes in one click, see readability, open .docx files. No sign-up, text stays on your device.
Markdown EditorFree Markdown editor in your browser: live preview, tables, math, diagrams and footnotes. Export PDF, Word or HTML; convert Word, HTML and PDF to Markdown.
Bank Statement ConverterConvert PDF bank and credit card statements to Excel, CSV, QBO or OFX for free. Checks every row against the printed balances. Runs in your browser: no upload, no sign-up.
Invoice ScannerScan PDF invoices and receipt photos for free. Vendor, VAT number, dates, totals, tax and line items extracted and checked, then exported to Excel, CSV or JSON. Runs in your browser.
MinesweeperPlay Minesweeper free in your browser: beginner, intermediate, expert or custom boards, no-guess mode, hints that explain the logic, daily board, stats and touch controls.
SudokuPlay free Sudoku online: 6 difficulty levels, a daily puzzle, notes, hints that explain each step, a step-by-step solver and printable PDF puzzles. No sign-up.
ChessPlay chess free in your browser: 8 computer levels from beginner to strong, two players on one device, clocks, hints, undo, move list and PGN/FEN import and export.
Snake GamePlay the classic snake game free online: smooth movement, four speeds, walls, wrap-around and maze modes, swipe controls on phones, high scores and a daily challenge.
SolitairePlay Klondike solitaire free online: draw 1 or draw 3, drag or tap to move, unlimited undo, hints, winnable deals, Vegas scoring, a daily deal and stats. No sign-up.
Typing TestTest your typing speed in WPM with accuracy and consistency, practise with 12 beginner lessons and track your progress. Free, no sign-up, works on phones.
Block PuzzlePlay a free falling-block puzzle online: hold, next pieces, ghost piece, wall kicks, marathon, 40-line race and 2-minute modes, a daily challenge, touch controls and custom keys.
Word Guess GameFree word guessing game: a new 5-letter puzzle every day, unlimited play, 4, 6 and 7-letter modes, hard mode, colour-blind colours, stats, streaks and shareable results.
PinballPlay free pinball in your browser: three original tables, real flipper physics, multiball, local high scores and touch controls for phones. Save a clip of your ball.
Periodic TableExplore all 118 elements: properties with units, trend heatmaps, states at any temperature, electron diagrams, a quiz and flashcards, and a printable PDF poster. Free.
Bubble PopperPop squishy bubbles online: round, heart, star and hexagon popping boards or endless bubble wrap, with satisfying sounds, vibration and full screen.
Fidget SpinnerFlick a virtual fidget spinner online: 10 designs, 12 colours, realistic bearing sound, live RPM and your longest spin record. Free, works on phones.
Sand ArtFree online sand art maker: pour layers of colored sand into a glass bottle, swirl waves and mountains, then save a picture or a time-lapse video.
Snow GlobeFree online snow globe: shake it by dragging, tapping or moving your phone, watch the snow swirl and settle over a winter scene, play a music box and save a video.
Lava LampA relaxing virtual lava lamp: glowing wax rises, melts together and sinks. Pick a lamp and colours, go full screen as a screensaver, save a loop video.
Virtual FireplaceA free virtual fireplace for your TV, laptop or phone: realistic flames, crackling sound, sleep timer, six cosy scenes and full screen. Save a looping fireplace video.
Rain on a WindowWatch raindrops run down a window over a glowing city, forest or lake. Relaxing rain sounds, optional thunder, sleep timer, full screen and video download. Free.
Bouncing Logo ScreensaverFree bouncing logo screensaver: your text or logo bounces, changes colour on every wall and celebrates corner hits. Full screen, retro CRT look, MP4 export.
Keyboard TestFree online keyboard tester: see every key light up, find dead, stuck or double-pressing keys, check ghosting and rollover, and measure key repeat. ANSI, ISO, JIS, Mac.
Mic TestFree online microphone test: live level in dB, waveform and spectrum, noise floor, clipping warning, and record a clip to hear yourself. Nothing is uploaded.
Webcam TestFree online webcam test: live preview, real resolution and frame rate, supported sizes up to 4K, light and colour readings, snapshot and short clip. Nothing is uploaded.Mouse TestFree online mouse tester: check every button and the scroll wheel, catch unwanted double clicks, run a click speed (CPS) test and estimate your polling rate.
Screen TestFree online screen test: full-screen colours for dead and stuck pixels and backlight bleed, plus gradients, gamma, black level, sharpness, motion blur and a stuck pixel fixer.
Speaker TestFree online speaker and headphone test: left and right channels, stereo sweep, 20 Hz–20 kHz frequency sweep, tone generator, bass, polarity and balance, with a volume safety limit.
Mind Map MakerMake mind maps free in your browser: keyboard editing, styles, icons, notes, 8 templates, a Markdown outline view, and PNG, SVG, PDF, OPML and Markdown export. No sign-up, no upload.
WhiteboardA free online whiteboard with a hand-drawn look: shapes, arrows, text, sticky notes, flowchart and wireframe templates. Export PNG, SVG or PDF. No sign-up, no upload.
Gantt Chart MakerMake Gantt charts free in your browser: groups, milestones, linked tasks, critical path and baselines. Import Excel or Project XML; export PDF, PNG, Excel or XML.
Sticker MakerMake die-cut stickers free: add a white border and a cut line around any design, download a 300 DPI PNG and the cut line as SVG or DXF for Cricut and Silhouette. No upload.
Perler Bead Pattern MakerTurn any picture into a Perler, Hama or Artkal bead pattern free. Real bead colours, pegboard count, printable PDF chart and a shopping list. No sign-up, no upload.
Photo to Laser EngravingPrepare photos for laser engraving free: material presets for wood, slate and leather, 8 dithering methods, exact size and DPI, PNG for LightBurn. No sign-up, no upload.
3D Model ViewerView 3D models online free: open GLB, glTF, STL, OBJ, FBX, PLY, 3MF and STEP files in your browser with textures and animations. Check size and triangles, save a screenshot. No upload.
GLB to STL ConverterConvert GLB, glTF, OBJ, FBX, PLY and STEP to STL, 3MF or OBJ for 3D printing. Set the size in millimetres, stand the model on the build plate and close holes. Free, no upload.
Image to STL ConverterConvert a photo to STL free: make a 3D-printable lithophane or relief, set width and thickness in mm, preview it backlit, download STL or 3MF. No sign-up, no upload.
Image to DXF ConverterConvert PNG, JPG and logos to DXF or SVG for laser cutters, CNC routers and plasma tables. Closed outlines at real size in mm or inches. Free, no sign-up, no upload.
DXF ViewerView DXF files online free: pan and zoom, turn layers on and off, measure distances and convert DXF to SVG, PDF or PNG. Runs in your browser, no upload.
Gerber ViewerCheck Gerber and Excellon drill files before you order PCBs: realistic top and bottom view, layer stack, measuring, drill table and board size. Free, in your browser.
GIS ViewerOpen GeoJSON, KML, KMZ, GPX, shapefiles, CSV, GeoPackage and FlatGeobuf in your browser. Style by attribute, measure, draw and convert. No upload, no sign-up.
Data ExplorerOpen large CSV, Excel, JSON, Parquet and SQLite files in your browser. Sort, filter, pivot, chart and run SQL on millions of rows. No upload, no sign-up.
DICOM ViewerOpen DICOM files, folders and ZIPs in your browser: stack scroll, window/level, CT presets, measurements, MPR, cine, tag browser, anonymize and export to JPG. Not for diagnostic use.
Plot DigitizerTurn a chart image or PDF figure into numbers: calibrate the axes, click or auto-detect points by colour, and export CSV or Excel. Free, no sign-up.
Curve Fitting & StatisticsFit dose–response (IC50/EC50), enzyme kinetics, exponential and custom equations; run t tests, ANOVA and nonparametric tests; export publication graphs. Free, in your browser, no upload.
Chemical Structure DrawerDraw chemical structures online: bonds, rings, wedges and charges; SMILES, InChI, MOL and SDF; molecular weight, logP, TPSA and Lipinski; PNG/SVG export and a 3D viewer for PDB files.
FC / NES Console EmulatorPlay FC/NES (Famicom) games in your browser with local .nes ROM import, keyboard, gamepad and touch controls, save states and fullscreen. Includes 11 freely licensed homebrew games; local files stay on your device.
GB / GBC Handheld EmulatorPlay Game Boy (GB) and Game Boy Color (GBC) games in your browser. Import local .gb/.gbc files and use touch, keyboard or gamepad controls, save states, rewind and fullscreen. GBA is not supported.
GBA EmulatorIncludes credited sample games. Play GBA games in your browser with local ROMs, saves, keyboard, gamepad, touch controls, fullscreen and cheats.
SFC / SNES EmulatorIncludes credited sample games. Play SNES games in your browser with local ROMs, saves, keyboard, gamepad, touch controls, fullscreen and cheats.
Mega Drive / Genesis EmulatorIncludes credited sample games. Play Genesis games in your browser with local ROMs, saves, keyboard, gamepad, touch controls, fullscreen and cheats.
Atari 2600 EmulatorIncludes credited sample games. Play Atari 2600 games in your browser with local ROMs, saves, keyboard, gamepad, touch controls, fullscreen and cheats.
PC EmulatorBoot a real x86 PC in your browser: a Linux shell, FreeDOS with games, or the KolibriOS desktop. Copy files in and out, paste text, save the state. Free, nothing to install.
CHIP-8 EmulatorRun CHIP-8, SUPER-CHIP and XO-CHIP programs in your browser: 33 public-domain games, your own .ch8 files, quirk switches, sound, save states and a debugger.
Game of LifePlay the Game of Life free online: draw cells, drop gliders, guns and spaceships, try HighLife and other rules, import RLE patterns and save a video clip.
Responsive TesterFree responsive tester: see a website or your HTML at dozens of phone, tablet and laptop screen sizes side by side. Resize, rotate, find overflow, save screenshots.
Arduino SimulatorRun compiled Arduino Uno programs in your browser: LEDs, buttons, potentiometer, 7-segment, 16x2 display, servo, buzzer and a serial monitor. Free, no sign-up.
Logic Circuit SimulatorBuild and simulate digital logic circuits in your browser: AND, OR, NOT, XOR gates, flip-flops, clocks, LEDs and 7-segment displays, with truth tables and simplification.
6502 EmulatorWrite 6502 assembly in your browser, assemble it and run it on a 32×32 colour screen. Step, breakpoints, registers, flags, memory view, disassembly and examples.
RISC-V SimulatorWrite RISC-V assembly and run it in your browser: step, step back, breakpoints, registers, memory, console input and output, machine code in hex. Free.
Pico SimulatorRun MicroPython on a simulated RP2040 board in your browser: write code, wire LEDs, buttons and knobs, use the REPL or load your own UF2 firmware. Free, no board needed.
Falling Sand SimulatorPour sand, water, lava, fire, acid and 23 more elements in a free falling sand game. Search the element picker, flip gravity, watch reactions and export a time-lapse MP4.
Fluid & Smoke SimulatorFree real-time fluid simulator: stir smoke and ink, draw walls, watch heat rise, slosh 2,500 water particles in a tilting tank, and export MP4 clips.
Plinko SimulatorDrop balls through a peg board and watch the binomial distribution and bell curve appear. Live histogram, normal fit, chi-squared test, CSV, PNG and video export.
Ragdoll PlaygroundFree ragdoll physics sandbox in your browser: grab and throw floppy ragdolls, add trampolines, ramps and see-saws, change gravity and wind, and export a video clip.
Marble Race MakerRace 2–100 named marbles on 17 tracks or a surprise course. Follow the leader, see the live leaderboard and make a finished race video with sound in one click.
Bouncing Ball SimulatorFree bouncing ball simulator: balls in spinning rings and shapes, notes on every bounce, splits, trails. Export 9:16, 1:1 or 16:9 MP4 videos with sound.Gravity & Orbit SimulatorFree N-body gravity simulator in your browser: the real inner solar system, binary stars, the figure-8 three-body orbit, slingshots, Lagrange points and galaxies. Export MP4 clips.
Rope & Cloth SimulatorPlay with cloth, rope, chains and jelly in your browser: grab, cut, pin and tear, add wind, draw obstacles and export a smooth MP4 clip. Free, no sign-up.
Domino Chain Reaction SimulatorLay out lines, curves, spirals and domino fields, or build a chain-reaction machine with balls, ramps and pendulums. Watch it topple and export the clip. Free.
Flocking SimulatorWatch up to 3,000 birds or fish flock in your browser. Scare them, lead them, draw walls, tune separation, alignment and cohesion, and save a video clip.
Storyboard MakerStoryboard maker for short dramas and vertical video. Add panels with pictures or sketches, shot types, camera moves, timing and dialogue, then export PDF, PNG or CSV. Free, no upload.
Short Drama Script FormatterShort drama script format made easy: paste an episode, get clean scene headings and dialogue, a runtime estimate, hook and cliffhanger checks and a shot list. Free.
AI Video Prompt GeneratorAI video prompt generator for short dramas, free. Pick shot size, angle, camera move, lighting, mood and dialogue, build multi-shot sequences and copy the prompt.
Split VideoSplit a long video into equal parts, clips of a set length, files under a size limit or at your own markers. Lossless, private, right in your browser.
Video Keyframe ExtractorFree video keyframe extractor: step frame by frame, grab the first or last frame, find shot changes and save PNG, JPG or WebP frames in one ZIP. Nothing is uploaded.
Add Watermark to VideoPut your name, @handle or logo on a video for free. One spot, tiled or a moving mark that is hard to crop out. Keeps resolution and sound. Runs in your browser.
Blur Faces in VideoBlur, pixelate or cover faces in a video for free. Faces are found and followed automatically, keep anyone visible, draw extra areas and export an MP4 with sound. No upload.
Video Metadata RemoverRemove GPS location, device details, dates and tags from MP4, MOV, WebM and MKV videos for free. See what your video reveals, clean it without re-encoding, and download one file or a ZIP. No upload.
Animate PhotoMake a photo move for free: the face turns, blinks, smiles or laughs while the rest of the picture stays still. Works on portraits, selfies and old family photos. Runs in your browser, download a short video. No upload, no sign-up.
Title Card MakerTitle card maker for vertical series: episode title cards, series titles, “Next episode” and “To be continued” cards. 14 templates, PNG, MP4 or a ZIP. Free.
Vertical Safe Zone CheckerVertical video safe zone checker for 9:16 clips: overlay top, bottom and button-column guides, test where captions land, check titles and faces, export a PNG overlay.
Circuit SimulatorDraw and simulate analog circuits online: resistors, capacitors, inductors, diodes, LEDs, Zeners, op-amps and AC sources, with live current flow and a scope. Free.
Traffic SimulatorFree traffic simulator in your browser: watch a phantom traffic jam form on a ring road, test zipper merging, tune traffic lights and compare a roundabout with live flow and delay.
Double Pendulum SimulatorDouble pendulum simulator in your browser: drag the bobs, set lengths, masses and gravity, fan out 50 pendulums, explore a chaos map and export MP4 clips. Free.
Wave SimulatorFree online wave simulator: a ripple tank with double slit, diffraction, reflection, refraction, lenses and the Doppler effect, plus a string for standing waves.
Evolution SimulatorFree evolution simulator in your browser: creatures with genes for size, speed, vision, metabolism and color eat, split and mutate. Watch traits change on live graphs.
QR & Barcode ScannerScan QR codes and common barcodes from a photo, image, or camera. Decoding happens on your device.
Unit ConverterConvert length, area, volume, mass, temperature, speed, time, data, pressure, energy, power, and angles.
Breathing PacerFollow a visual pacer for box breathing, 4-7-8 or resonance breathing. Adjustable rhythm and length, running entirely in your browser.
Meditation TimerSet a silent sitting timer with start and end bells. No network, no records.
Emotion WheelPick the words closest to what you feel right now and get one sentence to keep. Everything stays on your device.
Sleep Cycle CalculatorUse 90-minute sleep cycles to work out a sensible bedtime from your wake-up time, or the other way round.
BMR & Daily EnergyEstimate BMR and daily energy, see fat-loss and muscle-gain targets, daily macros and a projection to your target weight. Shareable results.
Body Fat (Navy)Estimate body fat, lean and fat mass from circumferences, save readings to track the trend, and see your waist-to-height ratio.
Protein & WaterGet a daily protein range, per-meal grams and a water target, converted into eggs, milk or chicken breast servings.
Running PaceConvert between pace, time and distance, with 5K to marathon splits, Karvonen heart-rate zones and reference paces. Export as CSV.
Mortgage PrepaymentSee the interest saved by prepaying, compare a shorter term against a lower payment, with balance curves and yearly tables.
Repayment MethodsCompare instalments, first and last months and total interest, with balance curves and cumulative payment tables.
Compound GrowthProject monthly, quarterly or yearly deposits, with total invested, gain, inflation-adjusted value and a growth curve.
Bill SplitSplit a bill evenly with service charge and rounding, and copy a ready-to-send split message.
Child Growth PercentileEnter birth date, height and weight to get WHO percentiles and z-scores, plotted against P3/P50/P97 curves.
Income Tax & BonusEstimate annual income tax and compare separate bonus taxation against merging it into salary.
Clumsy BirdPlay Clumsy Bird in your browser. Tap or press Space to fly through pipes and beat your best score. Your score stays on this device.
Jump JumpPlay Jump Jump online. Hold the game area to charge, then release to leap to the next block. Scores stay on this device.
Date Difference CalculatorFind the exact days, weeks or years between two dates, count down to a target day, and choose whether the end date counts.Business Day CalculatorAdd or subtract working days from any date, with custom holidays and weekend workdays, plus the calendar-day span.Duration SumAdd several time spans in hours, minutes and seconds and read the total, useful for workouts, editing or timesheets.
Spaced Review CalendarBuild a review calendar from 1/2/4/7/15 day intervals or your own, copy the list or download an .ics reminder file.
Cornell Notes TemplateTake notes with the cue, notes and summary columns, edit and preview in the browser, then print or copy.
Feynman Explanation CardBreak a concept down with what, why, how and where it breaks, then copy the card for your own notes.
Cloze Test MakerPaste a passage and turn sentences into fill-in-the-blank questions to check what you actually remember.
Reading Time BudgetEstimate total reading time from length and speed, then see pages per day and how many days it takes.
Family Screen Time BudgetSet a daily screen-time limit from your child’s age and turn it into a weekly total and a simple plan.
Family Schedule PlannerWork backwards from school time, morning steps and a sleep target to get wake-up and bedtime for the whole family.