SirenMix

Audio tools for day-to-day DJ work

Practical reading on BPM, audio formats, key mixing, and workflow choices you make before a set.

Audio tools for day-to-day DJ work

Built for quick local audio tasks: change tempo, convert formats, and preview results without uploading files.

BPM Changer
No Upload

Auto-detect BPM, change tempo, preserve pitch, preview in real time, and batch export.

Audio Converter
No Upload

Convert between MP3, WAV, FLAC, and OGG formats. Batch processing supported.

Your files never leave your device — all processing runs in your browser via WebAssembly.

Guides for real DJ decisions

Practical reading on BPM, audio formats, key mixing, and workflow choices you make before a set.

Hot Cues for DJs: Cue Points, Memory Cues, and Where to Set Them

A practical guide to DJ hot cues: where to place them, hot cues vs memory cues, how many you need, and when cue prep actually helps.

March 16, 2026
Remix vs Edit vs Bootleg for DJs: Suffixes, Credits, and File Tagging

A practical guide to DJ track name conventions: what every suffix means, how to tag files correctly, and how to identify unknown tracks.

March 12, 2026
Mixing In Key for DJs: Harmonic Mixing, Camelot Wheel, and Key Lock

A practical guide to harmonic mixing for DJs: Camelot wheel basics, key detection, key lock, and when you can ignore the rules.

March 10, 2026
DJ BPM Chart: Genre Ranges, Safe Tempo Changes, and Key Lock Tips

A practical BPM guide for DJs: genre ranges, safe tempo shifts, when to use key lock, and how to avoid common BPM mistakes.

March 8, 2026
What Audio Format Should DJs Use? MP3 vs WAV vs AIFF vs FLAC

A practical DJ guide to MP3, WAV, AIFF, and FLAC: what works for gigs, what breaks metadata, and which format to keep as your main library.

March 6, 2026

Start with the part you need

Built for quick local audio tasks: change tempo, convert formats, and preview results without uploading files.