Audio Trimmer
Trim audio by time range and export WAV.
✂Audio Trimmer
All processing happens locallyA waveform appears after you choose a file
What this tool does
Audio Trimmer is a local audio trimming tool, files are processed in your browser and never uploaded, so audio, video and document content stays local.
Pick a local file, process it on the page and download the result.
How to use it
- Paste or type your content into the input field at the top, or press the sample button to load demo data.
- Adjust the options below the input, such as output format, separators, letter case or precision.
- Press the main button to run the conversion. Results appear instantly in the output panel without a page reload.
- When the result looks right, use the copy button in the corner, or download it as a local file.
Tips and notes
Clean up stray spaces and line breaks before pasting for more accurate results.
FAQ
Browsers cannot encode MP3 natively, so the tool exports lossless WAV for quality and compatibility.
No. The audio is decoded, cut sample-accurately and written as WAV, which is lossless.
Under ten minutes is recommended; longer files use a lot of memory.
Yes. The tool is completely free with no usage limits, and you never need an account or a sign-in.
No. All processing runs locally in your browser, so the input never reaches a server and is never logged or stored.
Yes. The layout is mobile-first, so inputs and buttons stay comfortable on phones and tablets in both orientations.
Yes. A copy button in the output panel puts the result on your clipboard, and you can also download it as a text file.