Every tool you need.
Nothing you don't.

Calculate exact age in years, months, days.

Calculate, simplify, and convert aspect ratios from width and height.

Calculate your Body Mass Index in metric or imperial units.

Calculate the duration between two dates or add/subtract days, weeks, months, and years from a date.

Convert electric car range between EPA, WLTP, NEDC, CLTC, and JC08 test cycles and see every equivalent at once.

Add, subtract, multiply, and divide fractions with automatic simplification, mixed-number output, and decimal equivalents.

Upscale images 2x or 4x in your browser using an AI super-resolution model.

Remove image backgrounds locally in your browser with an AI model.

Pick colors and convert between HEX, RGB, HSL formats.

Extract and view EXIF metadata from photos.

Remove EXIF, GPS, and all metadata from a photo.

Generate favicons in all sizes from a single image.

Trim audio files visually in the browser.

Compress MP4, MOV, and WebM videos in your browser using ffmpeg.wasm H.264 re-encode.

Convert MP4, WebM, and MOV video files in your browser using ffmpeg.wasm.

Strip the audio track from MP4, MOV, WebM, or MKV files in your browser using ffmpeg.wasm.

Extract the audio track from any video file and download it as MP3 or WAV, using ffmpeg.wasm.

Convert a video clip to an animated GIF in your browser using ffmpeg.wasm.

Visualize audio files with real-time frequency bars.

Online metronome for musicians.

Generate Code 128 and Code 39 barcodes.

Scan and decode barcodes and QR codes using your camera or an uploaded image.

Generate Open Graph meta tags for social media sharing.

Create QR codes for URLs, text, WiFi, and more.

Scan QR codes from your camera or an uploaded image.

Generate random UUIDs (v4) instantly.

Encode and decode Base64 strings instantly.

Build cron expressions visually.

Convert between CSS units - px, rem, em, pt, vw, vh, and more.

Convert CSV files to JSON format.

Search 50+ HTTP status codes with names, meanings, and category groupings.

Format, validate, and beautify JSON data instantly.

Convert text to binary or hex and back, using UTF-8 encoding.

Browse and copy emojis by category.

Convert text to fancy Unicode styles - bold, italic, script, and more.

Find and replace text with case-sensitivity, whole-word matching, and full regex support.

Encode or decode HTML entities.

Analyze text with detailed statistics.

Flip a virtual coin for random heads or tails.

Online countdown timer with duration presets or count-down-until-time mode.

Cant decide?

Roll virtual dice - D4, D6, D8, D10, D12, D20, D100.

Pick a random winner from a list of names or split them into balanced random teams.

Generate random numbers within any range.

Check WCAG contrast ratios between two colors.

Generate harmonious color schemes.

Calculate compound interest with different compounding frequencies.

Calculate monthly loan payments with full amortization schedule.

Calculate monthly mortgage payments with full amortization schedule.

Convert annual salary to hourly rate (and back).

Create custom border radius values with visual controls.

Create CSS box shadows with a visual editor.

Create frosted glass effects with CSS.

Create beautiful CSS gradients with a visual editor.

Generate a Tailwind-style 50 to 950 color ramp from any hex code.

Detect the character encoding of a CSV file and convert it to UTF-8 with a byte order mark.

See row count, column count, detected delimiter, average row size, and estimated gzip size for any CSV.

Split a large CSV into smaller files by row count or byte size, preserve the header, and download a ZIP.

Compress CSV files to gzip in the browser.

Turn CSV into a GitHub Flavored Markdown table with column alignment and proper pipe escaping.

Convert a CSV file to Apache Parquet with inferred column types, locally in your browser.

Calculate distance between two GPS coordinates.

Convert between Decimal Degrees and DMS format.

Compare multiple timezones in real-time.

Simple whiteboard with colors, brush sizes, and eraser.

Create pixel art on a grid canvas.

Draw and save digital signatures.

Encrypt and decrypt any file with a password using AES-256-GCM.

Calculate SHA-1, SHA-256, SHA-512 hashes for any file.

Generate MD5, SHA-1, SHA-256, and SHA-512 hashes instantly.

Generate strong, secure passwords instantly.

Encrypt and decrypt text with a password using AES-256-GCM and PBKDF2.

Convert a GeoJSON FeatureCollection into KML that opens in Google Earth, Google My Maps, and most desktop GIS tools.

Convert GPS-exchange .gpx tracks, routes, and waypoints into a GeoJSON FeatureCollection ready for web maps.

Convert Google Earth KML placemarks, lines, and polygons into a standards-compliant GeoJSON FeatureCollection.

Click anywhere on a world map to read precise latitude and longitude.

Compute network address, broadcast, mask, wildcard, and usable host range from any CIDR.

Generate a valid robots.txt file with user-agent groups, Allow, Disallow, Crawl-delay, and Sitemap entries.

Count characters against platform limits for X, LinkedIn, Instagram, Threads, Facebook, Mastodon, and BlueSky.

Analyze URLs and detect shortened links.

Build properly encoded UTM tracking URLs for Google Analytics.

Create simple bar, line, and pie charts from data.

Take photos with your webcam.