AudioBuff
Ready the moment you open it. 8-band EQ, loudness normalization, high-quality export. No install needed.
Everything in Your Browser
Professional audio tools, no download required.
Zero Install
Runs entirely in your browser. No downloads, no accounts. Just open the URL and start.
8-Band EQ
6 peaking bands plus high & low shelves. High pass filter included. Pick a preset for instant results.
Compressor
Automatically evens out volume differences for consistent, easy-to-listen audio. Great for podcasts.
Loudness Normalization
Auto-adjust to Spotify, YouTube, or Apple Podcasts standards. Optimal loudness for every platform.
Silence Removal
Auto-detect and cut silences over 2 seconds. 500ms padding keeps speech sounding natural.
Trim & Fade
Adjust start & end points on the waveform. Fade in/out for a professional finish.
High-Quality Export
Export as MP3 (up to 320 kbps) or WAV. Batch process multiple files and download at once.
Before & After Compare
Toggle between original and processed audio in one click. Hear the difference instantly.
No Limits, Totally Free
No file size limits. No usage caps. No watermarks. Commercial use welcome. Free forever.
Privacy First
No Server Upload
Your files never leave your device. All processing happens locally in the browser.
Local Processing
All audio processing runs in-browser via Web Audio API. No internet connection needed during processing.
No Account Required
No sign-up or login needed. Just open the URL and go.
FAQ
Is AudioBuff free?
Yes, completely free. No account, no credit card required. Commercial use is welcome.
Are my audio files uploaded to a server?
No. All processing happens entirely in your browser. Your files never leave your device, ensuring complete privacy.
What audio formats are supported?
MP3, WAV, OGG, FLAC, AAC, and MP4. Export supports MP3 (up to 320 kbps) or WAV.
What is EQ?
An equalizer (EQ) lets you adjust the balance of different frequency ranges. It can clear up muddiness, add warmth, or sharpen clarity. Just pick a preset — no technical knowledge needed.
Does it work on mobile?
Yes, AudioBuff is optimized for mobile browsers. It works on both iPhone and Android.
What can I use it for?
Podcasts, music, video narration, voice memos, streaming audio — any audio content that needs polishing.
Buff your audio. Right now.
No download. No account.