Free Audio Effects Studio

Apply nightcore, sped-up, slowed + reverb, vaporwave, bass boost, 8D, 432 Hz and phonk to any song — all in one place. Load your track once, switch effects live to A/B them, and download. 100% in your browser, no watermark.

No file handy?

Drop audio file here

or click to browse — processed in your browser, never uploaded

MP3WAVOGG FLACAACM4A

100% in your browser. Your file stays local — audio never leaves your device, we can’t even access it ourselves. Privacy policy.

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Pick an effect — switch live to A/B them

Fine-tune this effect

Original: — New duration: —

Drag across the waveform to snip a part & loop it · scroll to zoom · How it works

Replay from marker

When on, changing a setting replays from the green ⟳ marker on the waveform (drag it anywhere — it defaults to the start). When off, changes apply live while the song keeps playing.

Open a dedicated page for any effect:

How do I add effects to a song online for free?

Drop your audio onto SnipSound's Audio Effects Studio, click an effect (nightcore, vaporwave, bass boost, 8D, slowed + reverb and more), preview it live, and download. Your track stays loaded so you can switch effects and A/B them instantly — all in your browser, with nothing uploaded.

Each effect also has its own dedicated page if you want the focused version with extra controls and tips:

One engine, every effect

Every effect here — and on its dedicated page — runs on the same in-browser WebAudio engine. That means zero uploads, no file-size limit, no watermark, and lossless WAV (or MP3) export. Load once, try everything.

Frequently Asked Questions

What is the Audio Effects Studio?▼

It's a free in-browser tool that applies popular social-audio effects — nightcore, sped-up, slowed + reverb, vaporwave, bass boost, 8D, 432 Hz and phonk — to any song. Load your audio once and switch between effects live to compare them, then download.

Can I switch effects without re-uploading?▼

Yes. Your audio stays loaded as you switch effects, so you can A/B nightcore vs vaporwave vs bass boost instantly without re-uploading.

Is the Audio Effects Studio free?▼

Yes, completely free with no sign-up and no watermark. Everything runs in your browser.

Does my file get uploaded?▼

No. All processing happens locally in your browser via the Web Audio API — your file never leaves your device.

What formats are supported?▼

Any format your browser can decode — MP3, WAV, OGG, FLAC, AAC, M4A — and you can export to MP3 or WAV.