Tool profile
FlexChords
flexchords.com
AI chord detection for any YouTube song or audio track, with play-along, transpose and MIDI export.
What it does
FlexChords
FlexChords uses a model trained by its maker to detect guitar chords, key and tempo from any YouTube video or audio file. Chords are synced to playback on an interactive timeline; you can edit detected chords, transpose and export a MIDI chord track for your DAW. The site reports 92% chord accuracy on unseen songs measured with the MIREX standard. Shown on HN on 2026-10-20 as a work in progress.
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FAQ
Frequently asked questions
- What is FlexChords?
- FlexChords uses a model trained by its maker to detect guitar chords, key and tempo from any YouTube video or audio file. Chords are synced to playback on an interactive timeline; you can edit detected chords, transpose and export a MIDI chord track for your DAW. The site reports 92% chord accuracy on unseen songs measured with the MIREX standard. Shown on HN on 2026-10-20 as a work in progress.
- What is FlexChords used for?
- FlexChords is listed on TolsAI under: AI Music Generator and Chord AI.
- Where can I use FlexChords?
- FlexChords is available on its official website, flexchords.com.
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