Chord Finder (Free)
Upload a song to see its chords on a timeline and an estimated key. Click any chord to play from that point. The analysis runs entirely in your browser.
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Before you start
- Only upload files you have the right to use. Copying or sharing other people's music, videos or recordings without permission can violate copyright law. FreeSoundTools does not store your files on a server.
Upload a song to see its chords on a timeline and an estimated key. Click any chord to play from that point. The analysis runs entirely in your browser.
When to use it
- Learn the chords of a song for guitar or piano practice
- Check the key before transposing a cover
- Get a quick chord chart to sketch an arrangement
- Compare the harmony of two versions of a song
How to use
- Drop a music file (up to 10 minutes).
- Wait a few seconds while it detects the chords.
- Read the key and the chord timeline. Click a chord to play from there; the current chord is highlighted.
- Save the result as TXT or LRC, or copy it.
Supported formats and limits
- Input: MP3, WAV, M4A, OGG, FLAC
- Chords: major, minor, 7, maj7 and m7
- Output: TXT or LRC (time-stamped, usable in lyric apps)
Tips for better results
- Songs with a clear accompaniment give better results. Run Vocal Remover first and feed the instrumental stem for loud-vocal songs.
- Jazz chords, slash chords and fast changes are simplified to the closest basic chord.
- If the key looks wrong, check whether the song starts or ends on the detected tonic chord.
FAQ
How accurate is it?
It works well on songs with clear, simple harmony. Complex voicings or loud vocals can lead to wrong chords, so treat it as a starting point.
Is my file uploaded?
No. It is analyzed in your browser.
Which chord types does it detect?
Major, minor, dominant 7, major 7 and minor 7 chords, plus "no chord" for silent parts.
What is the LRC file for?
It is a time-stamped text format that many lyric and karaoke apps can show along with the song.
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