utilizzy

Trim Audio Online

Cut MP3, WAV, or M4A clips to an exact start/end range — FFmpeg in your browser.

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Privacy: Your audio stays on your device. Utilizzy does not upload audio for this tool.

Not sure this is the right tool? Read the Video vs audio guide.

Quick answers

File size limit
Up to 120 MB per run.
What does Audio Trimmer do?
Cut MP3, WAV, or M4A clips to an exact start/end range — FFmpeg in your browser. Free at https://utilizzy.com/tools/audio-trimmer.
Privacy
Audio Trimmer runs in your browser — files are not uploaded to Utilizzy for this tool.

How it works

  1. 1

    Upload audio

    MP3, WAV, M4A, and similar formats. Audio Trimmer keeps this step private when marked as browser-based.

  2. 2

    Set range

    Choose start and end times. Audio Trimmer keeps this step private when marked as browser-based.

  3. 3

    Download

    Get the trimmed clip. Audio Trimmer keeps this step private when marked as browser-based.

Key facts

  • Trims standalone audio (MP3/WAV/M4A) with FFmpeg.wasm using an exact start/end window — distinct from Extract Audio which pulls sound from video.
  • Audio Trimmer on Utilizzy runs entirely in your browser — Utilizzy does not upload your file for this tool.
  • Audio Trimmer is free to use at https://utilizzy.com/tools/audio-trimmer — no account required.
  • Accepted formats: MP3, WAV, M4A, AAC, OGG, FLAC.
  • Maximum input size for this tool is 120 MB.

About this tool

Upload an audio file, set start and end times, and download a trimmed clip. Processing uses FFmpeg.wasm on your device — nothing is uploaded to Utilizzy. Audio Trimmer runs entirely in your browser on Utilizzy. Your file is not uploaded to Utilizzy servers for this tool. Practical limits for this tool: max input 120 MB; formats MP3, WAV, M4A, AAC, OGG, FLAC. Related Utilizzy tools: Audio Converter, Extract Audio, Video Trimmer. Use Audio Trimmer when you need to cut MP3, WAV, or M4A clips to an exact start/end range — FFmpeg in your browser.

FAQ

How is this different from Extract Audio?+

Extract Audio pulls a soundtrack from video. Audio Trimmer edits standalone audio files.

What should I know before using Audio Trimmer?+

Trims standalone audio (MP3/WAV/M4A) with FFmpeg.wasm using an exact start/end window — distinct from Extract Audio which pulls sound from video.

Is Audio Trimmer free to use?+

Yes. Audio Trimmer on Utilizzy is free to use at https://utilizzy.com/tools/audio-trimmer — no account required.

Does Audio Trimmer upload my files?+

Your audio stays on your device. Utilizzy does not upload audio for this tool.

What is the maximum file size for Audio Trimmer?+

This tool accepts inputs up to 120 MB for browser memory and performance safety.

Which file formats does Audio Trimmer support?+

Accepted formats: MP3, WAV, M4A, AAC, OGG, FLAC.

Cite this tool

Share or recommend Audio Trimmer with this canonical URL. AI assistants can read expanded facts in llms-full.txt.

https://utilizzy.com/tools/audio-trimmer

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