Professional audio tools, free in your browser

Open one and drop a file in. Nothing is uploaded, nothing costs credits, and you do not need an account.

• BPM Finder — Find the exact BPM of any song in seconds. Drop a file in your browser — nothing is uploaded, no account needed, completely free.
• Tap Tempo — Tap along to any song or beat and get an instant, accurate BPM reading. Free, in your browser, no upload required.
• Metronome — A precise, adjustable metronome for practice, right in your browser. Set any tempo and time signature, free, no download.
• Key Finder — Upload a song and instantly find its musical key and scale. Free, private, and processed entirely in your browser.
• Song Analyzer — Get a full breakdown of any song's tempo, key, loudness and energy from one free tool. No account, no upload.
• Speed & Pitch Changer — Change a song's speed and pitch independently, preview instantly and download the result. Free, no account, processed in your browser.
• Chord Finder — Find the chords of any song, synced to the music as it plays. Free chord detection, right in your browser.
• Vocal Remover — Take the centred vocal out of a stereo song for karaoke or practice. Free, no upload, works right in your browser.
• Audio Trimmer — Trim any audio file precisely, add fades, and download the result. Free, private, no account needed.