Trim audio
HH:MM:SS start and end. Outputs MP3.
Drop files here
or click to browse - files stay on your device
Max file size: 300 MB
About this tool
Cut a clip out of any audio file by setting a start and end time. Works with MP3, WAV, M4A, OGG and more.
Runs entirely in your browser using FFmpeg compiled to WebAssembly - no upload, no signup.
Features
- Frame-accurate start/end trimming
- Keeps the original codec when possible
- Supports MP3, WAV, M4A, OGG, FLAC
- Preview before exporting
How to use it
- Drop in an audio file.
- Set start and end seconds.
- Click Trim and download the result.
🔒 100% private
Everything happens inside your browser using JavaScript and WebAssembly. Your files are never uploaded to a server, never stored, and never seen by us.
Frequently asked questions
Will trimming reduce quality?
No - when the codec is preserved we copy streams without re-encoding, so quality is identical to the source.