Seven free reference tools for DJs and producers. No signup required.
Paste a tracklist, see pairwise match scores and the optimal running order.
Click any key to see compatible keys highlighted with reasons why.
Enter a BPM, see the mixable range, including half and double time.
Enter key and BPM for two songs, get a composite compatibility score.
Enter BPM, get loop lengths for 1–128 bars plus a delay/echo ms table.
Typical tempo ranges for house, hip-hop, trap, reggaeton, and more — sourced and cited.
Plain-language definitions for mashup, DJ, and production terms — BPM, key matching, stems, and more.
Tuttii simplifies music production, so you can focus on the creativity.
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