Slowed + Reverb Maker
Make a slowed + reverb version of any song — free, in your browser. One-click presets for slowed, daycore, lofi and underwater, with live preview and MP3 or WAV download. Nothing is uploaded.
Tip: most slowed + reverb edits sit between 0.80× and 0.88× speed with 35–50% reverb. Press Space to play or pause.
How it works
- Drop in a songAny audio file from your device. The waveform appears and the classic slowed + reverb preset is ready.
- Shape the soundPick a preset, then fine-tune speed, reverb, bass, muffle, 8D rotation and vinyl crackle while it plays.
- DownloadMake an MP3, M4A or WAV of the whole song — or send it straight to the visualizer to make a video.
The slowed + reverb sound
FAQ
Is my song uploaded?
No. Everything happens inside your browser on your own device — the effects, the preview and the final file. Your music is never sent anywhere.
What speed is “slowed + reverb”?
Usually 0.80× to 0.88×, which lowers the pitch by about two to four semitones. “Very slowed” edits go down to around 0.75×.
Can I slow it down without changing the pitch?
Yes — tick “Keep the original pitch”. The song is time-stretched so it’s slower but stays in the same key.
What’s the difference between slowed and daycore?
Daycore is the opposite of nightcore: a slowed, lower-pitched version, usually with lighter reverb than a slowed + reverb edit.
Can I turn it into a video?
Yes. After you make the file, press Make a visualizer video with it to open it in the music visualizer, where you can add a lofi scene, rain, a spectrum or your cover art and export a video.
Can I upload the result to YouTube, TikTok or Spotify?
Only if you own the song or have permission. A slowed or sped-up version of someone else’s track is still their recording, and platforms’ copyright systems will usually match it. For your own music it’s a great way to make an alternate version.
Is it free?
Yes — free, no sign-up and no watermark. The site is supported by the ads on the page.