Audio Trimmer
Trim and cut audio files in your browser with the Web Audio API. Set start and end points, preview the selection, and export a trimmed WAV file. 100% client-side, no uploads.
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What is Audio Trimmer?
The Audio Trimmer is a free, browser-based tool that cuts and trims audio files using the Web Audio API. Load a WAV, MP3, OGG, or M4A file, set a precise start and end point with sliders, preview the selection, and export a clean 16-bit WAV clip — all without installing any software or uploading your file.
Key Benefits
- Trim audio precisely with start and end sliders
- Preview the selection before exporting
- 100% private — files are processed locally and never uploaded
- No sign-up, no watermarks, completely free
- Exports a standard WAV that works everywhere
Common Use Cases
- •Cut a podcast clip to share on social media
- •Trim long voice memos down to the important part
- •Create a custom ringtone from a favorite song
- •Remove silence at the start or end of a recording
- •Extract a short sample from a music track for a project
How to Trim Audio
- Upload your audio: Drag and drop an audio file (WAV, MP3, OGG, M4A) onto the upload area, or click to browse and select it.
- Set the trim region: Use the Start and End sliders to mark the beginning and end of the clip you want to keep.
- Preview the selection: Press Play to listen to the selected region. Use the Start button to replay it from the beginning.
- Download: Click "Trim & Download WAV" to export and save the trimmed clip instantly to your device.
Key Features
- Drag-and-drop upload for WAV, MP3, OGG, M4A and more
- Precise start and end sliders for frame-accurate trimming
- Play and pause to preview the selected region before export
- 100% client-side — your audio never leaves your browser
- Exports a standard 16-bit WAV file with one click