Turn any song into a slowed + reverb version. Upload an audio file, dial in the speed and reverb, preview it, and download — all in your browser, with no upload and no signup. Supports MP3, WAV, M4A, AAC, OGG, and FLAC.
Upload an audio file, then lower the speed (around 0.85x gives the classic slowed feel) and raise the reverb to taste. Preview it, and when you like it, download the slowed + reverb version. Everything runs in your browser — nothing is uploaded.
Yes, completely free with no signup. You can process songs, adjust the speed and reverb, and download the result at no cost.
Yes — like the classic slowed + reverb sound, lowering the speed also lowers the pitch, giving that deeper, dreamier tone. That's the signature of the effect.
No. The slowed + reverb processing happens entirely in your browser using the Web Audio API. Your file never leaves your device, so it stays private.
MP3, WAV, M4A, AAC, OGG, and FLAC — any format your browser can decode. The processed slowed + reverb track downloads as a WAV file.