Supa Sample – Key & BPM Finder + Sampler

Find the key & BPM of any tab's audio in real time, then record & sample it. Neural song key finder for producers, musicians & DJs.

Supa Sample finds the musical key and BPM of any song playing in your browser, in real time. Click the icon on any tab with sound and it instantly shows the key, BPM, relative and alternative keys, and the audio quality, detection is powered by an neural network. Built for music producers who need a track's key and tempo to sample, match or build on. Built for DJs mixing in key. • Real-time key detection: all 24 major & minor keys, plus relative & alternative keys for finding compatible material • BPM / tempo detection, with half- and double-time • Audio-quality readout (codec & bitrate) • One-click recording of the current tab's audio to a WAV file, with custom file naming • It runs entirely on your device: no audio or personal data leaves your browser. There is no tracking. Free to install. https://supasample.com/