Metronome
Adjustable BPM with tap tempo, subdivisions, and alternate sounds.
Theratouch
A fun little synth theremin instrument you control by touch.
Cat Organ
An electric organ of meows with animated cat mouth sync.
FX Sample Board
16-pad grid with neon presets plus custom WAV/MP3 loading.
Harmonic Pads
4×4 drum pads with chords, arps, key locking, and MIDI out.
Beat Garden
Hip hop / new-age step sequencer with swing, humanization, and curated scenes.
Multitrack Recorder
Layer mic takes across multiple tracks right in your browser.
Midi Editor
Edit midi files
Guitar Tuner
Tune guitar strings with real-time pitch detection.
Strum Hero
Detect guitar chords live from your mic and log confident hits.
Guitar Looper
Record a loop, overdub layers, and control it like a pedal.
SnapTune
Browser-based auto-tune toy with live pitch snapping.
Chord Chart
Interactive guitar and ukulele chord boxes with key filter.
JamTrail
Build setlists with similar song recommendations.
JWT Decoder
Decode, edit, and re-sign JSON Web Tokens safely.
JSON Viewer
Pretty-print JSON, edit inline, and validate instantly.
Base64
Convert raw text or files to and from Base64.
UUID Generator
Create random, namespaced, or short UUIDs on demand.
Regex Tester
Run live regex matches with inline explanations.
Text Diff
Compare two text blocks side-by-side with highlights.
Timestamp Converter
Flip between UNIX epoch values and human-readable time.
Color Picker
Grab RGB, HEX, and HSL values or extract palettes from images.
Hash Generator
Generate MD5, SHA-1, and SHA-256 digests locally.
Image Compressor
Reduce file sizes with lossy or lossless options and live preview.
Background Remover
Knock out backgrounds with lightweight AI or threshold tools.
SVG to PNG
Render crisp PNG exports from any SVG in seconds.
Color Palette
Upload an image and capture the perfect palette.
Favicon Generator
Turn logos into multi-size favicon packages automatically.
PNG ⇆ SVG
Convert between PNG and SVG formats instantly.
QR Codes
Create QR codes with custom colors and logos.
Meme Maker
Drop punchy copy on classic templates like Drake, Distracted Boyfriend, or Pikachu.
PDF Tools
Combine, separate, or shrink PDFs with a few clicks.
Image to Text
Pull text out of screenshots entirely in the browser.
CSV ↔ JSON
Flip structured data between JSON and CSV instantly.
Markdown ↔ HTML
Translate markdown to HTML and back with live preview.
Text Case Converter
Switch between camelCase, snake_case, Title Case, and more.
Notepad
K9s-inspired tree notes with tags, search, and offline storage.
Calculator
Clean four-function calculator with big, mobile-friendly buttons.
Unit Converter
Convert length, temperature, pressure, and more.
Tip Calculator
Quickly split bills and tips on any device.
Loan Calculator
Estimate payments, interest, and payoff timelines.
Car Loan
Price out vehicles with trade-ins, taxes, fees, and APR.
Password Generator
Create strong passwords with length and rule sliders.
Clipboard Manager
Review and reuse your last copied snippets via local storage.
Countdown Timer
Track practice time, cooking, or workouts with playful visuals.
Emoji Clip
Search emojis and build copy-ready sequences.
Time Zone Scheduler
Compare multiple time zones on a shared workday timeline.
Sleep Machine
Layer rain, waves, and fan noise with a sleep timer and fade-out.
Weather
Check current conditions and multi-day Open-Meteo forecasts.