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
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.
Yes. After uploading, a waveform is displayed with purple handles on each side. Drag them to set the start and end points. Great for removing silence or noise from the beginning or end of a recording.
Trim only cuts the beginning and end of your audio. "Remove Silence" automatically finds and shortens long silent gaps (2 seconds or more) anywhere in the middle of the recording — like pauses between takes or topic transitions. Use both together for a fully cleaned-up file.
500ms of audio is preserved on either side of every cut, keeping the natural rhythm of speech intact. Pauses shorter than 2 seconds are left completely untouched. A short fade is also applied at each cut point to prevent any clicking or popping sounds.