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 BMI with gender and age 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.

Compress a JPEG or WebP image down to an exact target size in KB, like 20, 50, 100, or 200 KB, directly in your browser.

Extract and view EXIF metadata from photos.

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

Trim audio files visually in the browser.

Convert audio files between MP3, WAV, M4A, and OGG in your browser, with bitrate and sample rate options.

Record your screen, window, or browser tab with optional microphone audio.

Convert subtitles between SRT and WebVTT, shift timing by decimal seconds, and renumber cues.

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.

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.

Build an HTML email signature for Gmail and Outlook from your name, title, and links, then copy it as rich text in one click.

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.

Encode and decode Base64 strings instantly.

Minify or beautify JavaScript, CSS, and HTML in your browser with byte and gzip size stats.

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.

Generate bcrypt password hashes with an adjustable cost factor, and check whether a password matches an existing bcrypt hash.

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 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.

Create a professional A4 PDF invoice with line items, tax, discount, and multi-currency totals.

Calculate monthly loan payments with full amortization schedule.

Calculate monthly mortgage payments with full amortization schedule.

Convert annual salary to hourly rate (and back).

Compress multiple files into a downloadable ZIP archive.

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.

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.

Calculate distance between two GPS coordinates.

Convert between Decimal Degrees and DMS format.

Compare time zones live, or convert a specific date and time in one zone to the matching moment in every other zone.

Simple whiteboard with colors, brush sizes, and eraser.

Create pixel art on a grid canvas.

Draw and save digital signatures.

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.