Audio Trimmer
Trim and fade audio with a waveform you can scrub.
Files and text are processed locally in your browser. Tools that must reach the network say so explicitly.
About the Audio Trimmer
Trim an audio file with a scrubbable waveform. The Toolcenter Audio Trimmer decodes the file in your browser, lets you drag start and end handles over the waveform, add fade-in and fade-out, and export the selection as WAV or MP3. Nothing is uploaded.
How to use it
- 1Drop an audio file to see its waveform.
- 2Drag the start and end sliders to your selection.
- 3Add fade-in and fade-out if wanted.
- 4Export as WAV or MP3 and download.
Key features
- Visual waveform with draggable range
- Fade-in and fade-out
- WAV (lossless) or MP3 export
- Clip length, sample-rate and channel info
- Local processing, no upload
Frequently asked questions
Which audio formats can I open?+
Any your browser can decode — MP3, WAV, M4A/AAC, OGG and FLAC in most modern browsers.
Is the MP3 export good quality?+
It encodes with LAME at 192 kbps by default. Choose WAV for a lossless clip.
Can I trim a very long file?+
Yes, though decoding a long file uses more memory. Podcast-length files are fine on most devices.
Is my audio uploaded?+
No. Decoding and encoding run in the browser.
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