Software Alternatives & Startups

Officially verified details MusicToolSet

11 free music tools: find a song's BPM and key from an audio file, chord finder, chord progression generator, scale finder, guitar and piano chord lookup, and a metronome with odd time signatures. No sign-up.

MusicToolSet

MusicToolSet Reviews and Details

This page is designed to help you find out whether MusicToolSet is good and if it is the right choice for you.

Screenshots and images

  • Time Signature Tool — odd meters like 7/8 with real groupings //
    2026-11-08
  • Chord Progression Generator — any progression in any key //
    2026-11-08
  • Piano Chord Lookup — every chord with fingerings and inversions //
    2026-11-08
  • BPM Finder — tempo and key from any song file //
    2026-11-08
  • 11 free music tools, no sign-up //
    2026-11-08

Features & Specs

  1. BPM and key from audio

    Upload a song to measure its tempo and key with neural-network beat tracking and key detection.

  2. Song key analysis

    A confidence score, the relative key, other likely keys, and the key's scale, chords and modes.

  3. Tap tempo

    Tap along to find the BPM, with half and double time and how evenly you tapped.

  4. Chord finder

    Name any chord from its notes or look one up by name, across 36 chord types.

  5. Guitar chord diagrams

    Up to six checked shapes per chord, with the fret, finger and note on every string.

  6. Piano chord lookup

    Keys, fingerings and inversions on a keyboard for 36 chord types in every key.

  7. Scale finder

    33 scales and modes in every key, with diatonic chords and playback.

  8. Chord progression generator

    Progressions in all 12 keys, in major, minor and five modes.

  9. Online metronome

    20 to 300 BPM in 14 time signatures, with meter accents, triplets, swing and tap tempo.

  10. Odd time signatures

    7/8, 5/8, 11/8 and more, played with their real beat groupings, such as 7/8 as 3+2+2.

  11. Rhythm trainer

    Tap along to a click and get a timing score.

  12. Correct note spelling

    Notes are spelled the way sheet music writes them: E♭ G B♭ D, not D♯ G A♯ D.

  13. No account required

    Free, with no sign-up and nothing to install.

  14. Uploads not stored

    Uploaded audio is deleted as soon as the analysis finishes.

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Questions & Answers

As answered by people managing MusicToolSet.
  1. Which are the primary technologies used for building MusicToolSet?

    • Next.js and React for the website, with Tone.js for playback
    • Python and FastAPI for the tool server
    • madmom's neural-network models for beat tracking and key detection
    • MongoDB for anonymous per-tool usage counts
    • Hosted on Vercel (website) and Railway (tool server)
  2. What makes MusicToolSet unique?

    It works from the song itself. Upload an audio file and MusicToolSet measures its tempo and key with neural-network beat tracking and key detection, then shows the key's scale, chords and modes.

    The chord and scale tools spell every note the way sheet music writes it, so E♭ major seventh is E♭ G B♭ D, not D♯ G A♯ D. The metronome and Time Signature Tool play odd meters with their real beat groupings, such as 7/8 as 3+2+2.

  3. Why should a person choose MusicToolSet over its competitors?

    Everything a practising musician looks up is in one place: a song's BPM and key, chords on guitar and piano, scales and modes, chord progressions in any key, and a metronome that handles odd time signatures.

    It's free, with no sign-up and nothing to install. Uploaded audio is deleted as soon as the analysis finishes, and each tool has its own page you can bookmark or link to.

  4. How would you describe the primary audience of MusicToolSet?

    Musicians, producers, DJs and music students: anyone who needs a song's tempo or key, wants to see how a chord is played on guitar or piano, is writing a chord progression, or is practising timing in a new time signature.

  5. What's the story behind MusicToolSet?

    MusicToolSet was built to put the tools musicians search for most in one free place: a song's BPM and key, how to play a chord, which chords fit a key, and a metronome. Each tool has its own page with a how-to and answers to common questions, and four guides explain the theory behind them.

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