Is the BPM always exact?

Automatic detection is a useful reference, but it is worth verifying on songs with tempo changes.

Does the key help for mixing songs?

Yes. It helps you pick compatible songs or close references.

Yes, as long as the browser can read the audio format.

Online audio tool

Load a song and get a practical read of tempo and key to organize sessions, references and musical decisions.

Target search: detect bpm and key

Upload the song you want to analyze.

Nivelab detects tempo and key.

Check musical compatibility.

Use the data for production or mixing.