Slow, pitch-shift and add reverb to local audio in your browser
About Song Slower
Song Slower is a free browser audio tool for music practice and creative edits. Slow recordings while keeping their key, change pitch separately, add reverb, or select and loop a passage. Export a full track or selected section as MP3 or WAV. No account is needed and audio processing stays on the device; browser codec and memory limits apply. It does not generate music or isolate instruments. Submitted on behalf of Song Slower.
PlatformsWeb
✓ VerifiedOct 24, 2026
Key features
- Independent speed and pitch controls
- Reverb and slowed/nightcore presets
- Manual section looping
- MP3 and WAV export
- Local audio processing without signup
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