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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

  1. Drop in an audio file.
  2. Set start and end seconds.
  3. 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.