Free tools
Free tools for music producers
The small jobs between making a loop and sending it: tempo, key, length, and a last check on the file. Every tool runs in your browser, so your audio is never uploaded, and none of them needs an account.
BPM & key finder
Drop a loop, get its tempo and key. Your audio never leaves your browser.
Open the toolBPM tapper
Tap along to a track to find its tempo, then hear it on a click.
Open the toolLoop length calculator
Bars to seconds and samples for a clean loop, plus delay times in ms.
Open the toolWAV file checker
Check a WAV's sample rate, bit depth, length and peak before you send it.
Open the tool
Made a loop you're happy with? See how collaborating on ColabLoop works, or read the guides.