All tools

Drop any file and convert it to the format you need, with no upload.

Turn iPhone HEIC photos into JPGs that open everywhere.

Convert PNG images to smaller JPG files.

Convert WebP images to widely supported PNG.

Extract the audio of a video as an MP3 file.

Convert iPhone and QuickTime videos to MP4.

Combine photos into a single PDF document.

Save every PDF page as a JPG image.

Render SVG graphics as PNG at any size.

Turn spreadsheet data into clean JSON.

Shrink WAV audio into compact MP3 files.

Turn web fonts back into installable desktop fonts.

Drop any file to look inside it, with the right viewer picked for you.

Browse JSON as a collapsible tree and find syntax errors down to the line.

Check YAML for indentation and syntax errors and explore it as a tree.

Check that XML is well-formed and browse elements and attributes as a tree.

Validate TOML config files and see their structure as a tree.

Highlight, validate and format SQL for MySQL, PostgreSQL, SQLite and more.

Read Markdown files rendered, with the source side by side.

Open source code and text files with syntax highlighting, search and line numbers.

Open CSV, TSV and Excel files as a sortable, filterable table.

View OBJ, STL, glTF, GLB, FBX, PLY, 3MF and DAE models in your browser.

Inspect STL files before printing: dimensions, volume, and holes in the mesh.

Preview TTF, OTF, WOFF and WOFF2 fonts: every glyph, features and variable axes.

Compare up to four fonts side by side or overlaid, with their metrics.

Look at the raw bytes of any file, with search and a data inspector.

Look inside ZIP, TAR and GZ archives and open single files without extracting.

See GPS tracks and GeoJSON shapes with distance, elevation profile and stats.

See the waveform and spectrogram of any audio file and measure its loudness.

Decode PEM and DER certificates and CSRs: subject, validity, SANs and fingerprints.

Decode JSON Web Tokens, check expiry and verify the signature.

Work out percentages, changes, increases and discounts in one place.

A full scientific calculator with history, functions and exact fractions.

Convert length, weight, temperature, volume, speed, data and more.

Calculate monthly payments, total interest and a full amortization schedule.

See how savings and investments grow with regular contributions.

Calculate BMI, body fat estimate and daily calorie needs.

Calculate weighted averages, GPA and the grade you need on the final.

Split a bill fairly, with tip, tax and uneven shares.

Convert between hourly, daily, weekly, monthly and yearly pay.

Check your camera: picture, resolution, frame rate and settings.

Check your mic level, hear yourself back and see a live spectrum.

Test left and right channels, bass, treble and surround speakers.

Press every key to find dead keys, ghosting and key rollover.

Test mouse buttons, double clicks, scroll wheel and polling rate.

Fill your screen with solid colors to spot dead or stuck pixels.

Test controller buttons, sticks, triggers, drift and vibration.

See your resolution, pixel ratio, refresh rate, color gamut and HDR support.

Convert a time between cities and time zones, with daylight saving handled.

Find a meeting time that works across several time zones.

Count down to any date, and share the countdown as a link.

Count days between dates, add or subtract time and count business days.

Calculate exact age in years, months and days, and the next birthday.

Convert Unix timestamps to dates and back, in seconds or milliseconds.

A precise stopwatch with laps, a timer with alarm and a Pomodoro clock.

Find the current calendar week and the week number of any date.

Encrypt files and text with a password using AES-256, right in your browser.

See how long a password would take to crack and how to make it stronger.

Calculate MD5, SHA-1, SHA-256 and SHA-512 hashes of files and compare them.

Remove hidden metadata from photos, PDFs and Office documents before sharing.

Hide a secret message inside an image, or reveal one.

Turn a note into an encrypted link that only the recipient can open.

Generate TOTP two-factor codes from a secret key or QR code.

See what your browser reveals about you and how unique its fingerprint is.

Count words, characters, sentences and reading time as you type.

Convert text to UPPER, lower, Title, Sentence, camelCase, snake_case and more.

Compare two texts and see every added, removed and changed word.

Sort, dedupe, reverse, shuffle, trim and number lines of text.

Find and replace text in bulk, with regular expressions and live highlights.

Turn text into bold, italic, script, bubble and other Unicode styles.

Score your writing with Flesch, grade levels and tips for clearer text.

Listen to any text read aloud with your device's voices.

Measure your typing speed in WPM and your accuracy.

Test how fast you react to a visual signal, in milliseconds.

Count your clicks per second over 1 to 60 seconds.

Hit targets as fast and accurately as you can.

Train your memory with sequence, number and visual recall games.

Check how well you tell colors and shades apart.

Find the highest and lowest frequencies you can hear.

Create bar, line, area, pie and scatter charts from your data.

Make grouped, stacked and horizontal bar graphs in seconds.

Plot trends over time as line or area graphs.

Create pie and donut charts with labels and percentages.

Plot two variables, add a trend line and see the correlation.

Build organization charts from a simple list of names and managers.

Create clean timelines of events, milestones and project phases.

Make two- and three-circle Venn diagrams with labels.

Turn an indented outline into a mind map.

Plot functions, find roots and intersections, and explore with sliders.

Solve linear, quadratic, polynomial and systems of equations step by step.

Multiply, invert and find determinants, eigenvalues and more.

Mean, median, standard deviation, quartiles, regression and charts.

Add, subtract, multiply and divide fractions and mixed numbers.

An interactive periodic table with element details and trends.

Factor numbers into primes and find GCD, LCM and divisors.

Convert between binary, octal, decimal, hex and any base up to 36.

Check text and UI colors against WCAG AA and AAA contrast rules.

See images and palettes as people with color vision deficiencies do.

Test every color pair in a palette for accessible contrast at once.

Paste HTML and find missing alt text, labels, heading and ARIA issues.

Tune font size, line height and line length for comfortable reading.

Measure the distance between places or coordinates, as the crow flies.

Convert coordinates between decimal degrees, DMS, UTM, MGRS and more.

Sunrise, sunset, golden hour and twilight for any place and date.

See the moon phase for any date and a monthly moon calendar.

Find the sun's height and direction and the shadow length at any time.

Use your phone as a compass with heading, bearing and your coordinates.

Build harmonious color schemes with contrast checks and CSS export.

Design linear, radial, conic and mesh gradients and copy the CSS.

Turn text, emoji or an image into a complete favicon set.

Tune box shadows, glass and soft UI effects with a live preview.

Style text with neon, retro, glitch or 3D effects for logos and banners.

Create Open Graph, X and Instagram images in the right sizes.

Apply glitch, halftone, duotone or dithering effects locally.

Turn any text into a word cloud and export it as PNG or SVG.

Generate strong passwords and memorable passphrases.

Create QR codes for links, Wi-Fi and contacts with custom colors.

Get lorem ipsum and realistic test data as JSON, CSV or SQL.

Build regular expressions from simple rules and test them live.

Create EAN-13, Code 128 and UPC barcodes as SVG.

Generate UUIDs and NanoIDs or hash text with SHA-256 and more.

Turn plain schedules into cron expressions and preview next runs.

Write simple text and get flowcharts, sequence and Gantt diagrams.

Assemble .gitignore, docker-compose, .editorconfig and license files.

Generate TypeScript, Zod, JSON Schema, C#, Go or Python types from JSON.

Convert spreadsheet data into Markdown, HTML or LaTeX tables.

Spin a wheel, roll dice, flip a coin or split people into teams.

Create printable crossword puzzles with answer keys.

Turn your word list into a printable word search puzzle.

Generate uniquely solvable sudokus in every difficulty level.

Generate mazes of any size and reveal the solution step by step.

Create custom printable bingo cards from numbers or words.

Plan a treasure hunt with riddle cards and QR codes.

Turn any name into a unique identicon or pixel avatar.

Create flow fields, Voronoi patterns and circle packings from a seed.

Render big text banners or convert images into ASCII art.

Grow trees and ferns with L-systems and watch every step.

Draw symmetric mandalas or generate them as coloring pages.

Zoom into Mandelbrot and Julia sets with custom color maps.

Generate tileable wood, marble, stone and cloud textures.

Find names for fantasy characters, companies, pets and projects.

Generate islands with mountains, rivers and named cities.

Roll genre, hero, conflict and twist into a fresh story prompt.

Roll complete characters with class, stats and backstory.

Create procedural star systems with planets, moons and orbits.

Build roguelike dungeons with rooms, traps and treasure.

Design heraldic shields and flags for invented realms.

Invent a language with sounds, words and example sentences.

Grow procedural towns with streets, walls and districts.

Combine animals into mythical creatures with names and abilities.

Add captions to meme templates or your own images.

Generate absurd excuses, compliments and fortune cookie lines.

Design clearly labeled chat and post mockups for slides and comics.

Roll a band name, album title and a matching cover.

Generate chord progressions and melodies and play them instantly.

Create retro game sounds and export them as WAV.

Find chord diagrams for guitar and ukulele and build printable song sheets.

Turn the ingredients you have into dish ideas and meal plans.

Build workouts by time, equipment and muscle group.

Create HTML email signatures for Outlook and Gmail.

Fairly assign people to shifts while respecting their availability.

Fill in line items and get a finished invoice PDF.

Find cocktails you can mix with the bottles you have.

Get gift ideas by age, interests, occasion and budget.

Create printable yearly, monthly and weekly calendars.

Fill a form, pick a layout and export your resume as PDF.

Create printable math practice sheets with answer keys.

Turn term lists into printable flashcards or a quick quiz.

Resize images by pixels, percentage or preset sizes, in bulk.

Shrink JPG, PNG and WebP files while keeping them sharp.

Convert images between PNG, JPG, WebP and AVIF.

Crop to any aspect ratio, rotate and flip images.

Arrange photos into grid and freeform collages.

Add a text or logo watermark to one or many images.

Extract the dominant colors from any photo.

Frame screenshots with backgrounds, padding and shadows.

View photo metadata and remove it before sharing.

Create placeholder images in any size, color and text.

Make videos smaller while keeping good quality.

Convert videos between MP4 and WebM, with or without sound.

Cut videos to the part you need.

Turn video clips into high-quality animated GIFs.

Save the soundtrack of a video as an audio file.

Save still frames and thumbnail sheets from videos.

Crop and resize videos for vertical, square and widescreen formats.

Combine several PDF files into one document.

Extract pages or split a PDF into several files.

Reorder, rotate and delete PDF pages visually.

Convert PDF pages into PNG or JPG images.

Turn images into a single PDF document.

Reduce the file size of PDF documents.

Stamp text or an image watermark onto PDF pages.

Number PDF pages with your own format and position.

Draw, type or upload a signature and place it on a PDF.

Add a password and permissions to a PDF.