Free audio tools — chords, separation, music theory.
A growing toolkit for musicians and producers. Detect chords and tempo from any audio, remove or isolate vocals, and explore music theory — all in the browser, free, no signup.
- Analysis
Chord Finder
Drop any MP3 or WAV and get the full chord progression, key and tempo straight from the audio. Export to TXT, CSV or JSON.
Open tool - Separation
Vocal Remover
Strip vocals from a song and download a clean instrumental backing track — ready for karaoke, practice or remix work.
Open tool - Separation
Vocal Extractor
Pull the vocal stem out of a finished mix for sampling, study or an a cappella edit.
Open tool - Separation
Stem Splitter
Split a song into separate stems — vocals, drums, bass, guitar, piano and more. Download each one, plus the chords, key and tempo for the same track.
Open tool - Theory
Circle of Fifths
Interactive chord wheel. Click any key to highlight its diatonic chords, hear them instantly and explore major/minor relationships.
Open tool - Theory
Chord Progression Generator
Build a progression from the chords in any key, loop it back at any tempo, follow next-chord suggestions, load classic presets and export to MIDI.
Open tool - Analysis
BPM Finder
Detect the tempo of any track. Upload audio for an automatic BPM read, or tap along to find the beat by ear.
Open tool - Chords
Guitar Chord Finder
Pull the chord progression, key and tempo out of any guitar recording — open or barre, capo, drop D and alternate tunings all welcome.
Open tool - Chords
Piano Chord Finder
Look up any piano chord — major, minor, 7ths, extensions — and see the voicing on a keyboard with the notes spelled out.
Open tool - Chords
Ukulele Chord Finder
Find ukulele chord shapes by name. Standard GCEA tuning, fingering diagrams and common variations side by side.
Open tool
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