MP3 Cutter
Trim audio clips with second precision
100% Private & In-Browser
Processed locally using client-side JavaScript. Your files and data never touch any server.
Instant & Unlimited
No registration, no waiting queues, and no limits on file conversions or generations.
What is MP3 Cutter?
Cut MP3, WAV and other audio files to an exact start and end time — for ringtones, samples and podcast edits. Fast local processing, no re-encode where possible.
How to use MP3 Cutter
Open MP3 Cutter in any modern web browser on your computer, tablet, or smartphone.
Select, drag, or drop your file directly into the MP3 Cutter workspace.
The tool processes your data in real time directly on your device using WebAssembly-compiled FFmpeg cores and browser WebCodecs hardware APIs.
Copy your generated result to your clipboard, preview the output, or save your file with a single click.
- 100% Client-Side In-Browser Execution — your inputs, files, and generated data never touch any remote cloud server.
- Instant Unlimited Free Usage — no daily limits, feature gates, paywalls, or account registrations required.
- Real Media Decoding — a WebAssembly FFmpeg core processes your audio and video on your own CPU.
- Trim audio clips with second precision
- Running a quick one-off task — once loaded, most tools keep working even if the connection drops.
- Cut MP3, WAV and other audio files to an exact start and end time — for ringtones, samples and podcast edits. Fast local processing, no re-encode where possible.
- Content creators, podcasters, video editors, and audio engineers who need to demux and extract audio/video streams directly on local CPU cores without installing software.
- Handling private or confidential material that should not be uploaded to third-party cloud services.
Frequently Asked Questions
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