Turn any song into a slowed + reverb edit — slower tempo, lush reverb, that dreamy late-night aesthetic. Free and private, right in your browser.
Open the Audio Studio
Go to the DefyAudio Studio and upload your song.
Open the Effects tab
Switch to the Effects tab in the settings rail.
Lower the Speed
Drag the Speed slider down (around 0.8x–0.9x is the classic slowed range).
Add Reverb
Raise the Reverb slider until the track feels spacious and dreamy.
Export
Download your slowed + reverb edit — processed locally, no upload.
Slow it down
Pull tempo back to the classic 0.8x–0.9x slowed range.
Add lush reverb
Dial in reverb for that spacious, late-night atmosphere.
Any song
Works on any MP3, WAV, FLAC and more — export in any format.
'Slowed + reverb' is a hugely popular remix style that slows a song down and drenches it in reverb, giving it a dreamy, nostalgic, late-night feel. It blew up on TikTok and YouTube and is easy to make yourself. DefyAudio combines both moves in one place: pull the Speed slider down and raise the Reverb slider.
Because the controls are independent, you can find the exact balance — a gentle 0.9x with light reverb, or a heavy 0.8x drenched in space. Everything runs locally in your browser, so it's instant and completely private.
Upload the song to DefyAudio, open the Effects tab, lower the Speed slider (about 0.8x–0.9x) and raise the Reverb slider, then export.
Yes — free with a DefyAudio account and no watermark on the output.
No — everything runs in your browser, so your music stays private.