Buff your audio.

Podcasts, music, video — polished in your browser. Free, private, no install.

Select your audio files

Tap to browse or drop files here

MP3, WAV, OGG, FLAC, AAC, MP4 supported

EQ Settings

Recommended Presets

Choose one to apply. You can fine-tune below.

−120+12
Air
+1.5dB
High
+2.0dB
Presence
+2.5dB
Low-Mid
-2.5dB
Bass
-3.5dB

Finishing Options

Output Settings

My Presets

100% Private

All processing happens in your browser. Your audio is never uploaded to any server. No account required.

No Limits

No file size limits. No monthly caps. No watermarks. Process as many files as you want, forever.

Easy EQ

Just pick a preset and AudioBuff clears up muddiness, cuts noise, and sharpens your sound. No technical knowledge needed.

Frequently Asked Questions

No. All processing happens entirely in your browser. Your audio never leaves your device — no uploads, no servers, no exceptions.

AudioBuff accepts MP3, WAV, OGG, FLAC, AAC, and MP4. You can export as MP3 (up to 320 kbps) or WAV.

Yes, completely free. No account required, no file size limits, no usage caps, no watermarks. Commercial use is welcome.

An equalizer (EQ) lets you adjust the balance of different frequency ranges in your audio. It can clear up muddiness, add warmth, or sharpen vocal clarity. Just pick a preset — no technical knowledge needed.

Yes, AudioBuff is optimized for mobile browsers. It works on both iPhone and Android.

Presets are saved locally in your browser's localStorage. They never leave your device. Clearing your browser data will also remove them.