Your files remain on your device
Processing happens inside the browser tab. Refreshing or closing the tab clears the current file queue.
ToolsTap along to a song to calculate tempo from the most recent beat intervals.
Uses the latest five intervals for a responsive tempo estimate.
No hidden queue, upgrade screen or misleading result state.
Press the beat button in time
Review the stabilized BPM
Reset for a new song
Processing happens inside the browser tab. Refreshing or closing the tab clears the current file queue.
Device tools and the Trenith interface are free. External providers may separately charge the account associated with your own API key.
Yes. Tap BPM is free from Trenith with no account, subscription or artificial usage limit. Practical capacity depends on your device's memory, free storage and browser codec support.
No. Processing happens inside your browser tab on your own device. Source files are not sent to Trenith, and refreshing or closing the tab clears the current queue.
1. Press the beat button in time 2. Review the stabilized BPM 3. Reset for a new song No sign-up is required.
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