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Audio Trimmer

Cut an exact section out of any audio file and download the trimmed clip as WAV.

Trim an audio file

File: —
Duration: —
Selection: —
Click the waveform to set the start, or hold Shift and click to set the end. Export is uncompressed 16-bit WAV.

How to use the Audio Trimmer

  1. Choose an audio file to load it and draw its waveform on the canvas.
  2. Set the start and end times by typing them or clicking the waveform.
  3. Click Trim and download WAV to save just the selected section.

Features

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Frequently Asked Questions

Common questions about the free online audio trimmer.

Choose a file, set the start and end times with the boxes or the waveform, then click Trim and download WAV.
Yes. Your browser decodes the MP3 into raw samples, and the trimmed section is written out as a WAV file.
Type the times into the start and end boxes, or click the waveform to place the start and hold Shift to place the end.
Browsers can decode many formats but cannot encode MP3 or OGG, so the trimmed audio is exported as uncompressed WAV.
No. The file is read locally with the File API and processed with the Web Audio API inside your browser.
No. Trimming only copies existing samples, so the exported WAV keeps exactly the same quality as the decoded source.
Yes, although very long files need more memory because the whole clip is decoded before the cut is made.
Selections shorter than about two hundredths of a second are rejected, so keep the start clearly before the end.

Last updated: October 10, 2026