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100% Free · Private · Client-side

MP3 & Audio Tools

Trim, normalize, and fade audio files in your browser. Export WAV or MP3 — private and instant.

Drop file here or click to browse

MP3, WAV, OGG, etc.

Privacy: Files are processed locally in your browser. Nothing is uploaded to our servers.

All tools

Every tool runs in your browser — no uploads, no accounts.

Privacy by design

Audio files are processed with the Web Audio API in your browser. Nothing is uploaded to our servers.

Open your browser developer tools Network tab while using any tool — after the page loads, your files are not transmitted to our servers.

Frequently asked questions

Are my files uploaded to a server?

Audio files are processed with the Web Audio API in your browser. Nothing is uploaded to our servers.

Is this free?

Yes — 100% free with no sign-up. Tools run in your browser using modern web APIs.

Which browsers are supported?

Latest Chrome, Edge, Firefox, and Safari on desktop and mobile. Some features need HTTPS and permission prompts.

Can I use this offline?

After the page loads once, many tools work offline because processing is local. You need internet for the initial visit.