Read tempo inside the 80 to 160 window before you pair songs

The Key and BPM Finder is a free in-browser tool: no credits, and files are not uploaded. Whole-number tempo is always reported between 80 and 160 BPM, so a ballad felt at 70 shows as 140, and a track at 170 shows as 85.

1. Check the key as one of 24 major or minor keys, with its seven notes and three related keys.
2. A low-confidence label appears when a reading is weak; treat that pair as one you may need to nudge later.
3. Limits are 80 MB and 5 minutes on a computer or 2 minutes on a phone.

This reading helps you pick pairs that pass the mashup maker's pair check. Open the Key and BPM Finder or start at MashupMaker.

MashupMaker at mashupmaker.net is not affiliated with other apps or websites that use a similar name.