/ 01 — Tools

Free in-browser tools.
Drop a file, get an answer.

Small utilities built from the same DSP that powers Sample Vault. Nothing uploaded. Nothing stored. No account.

Fig. 01 / Key detector

Key & scale detector.

Drop any audio file. Get the key, a chromagram of tonal content, and the top matching scales ranked by confidence. Runs entirely in the browser — the file never leaves your machine.

  • —WAV, AIFF, MP3, FLAC, OGG
  • —Chromagram + top matches
  • —No upload, no sign-up
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