Trim an audio file online
Trim any audio file (MP3, WAV, M4A...) by choosing a start and end second, in your browser.
or click to select it
Trim any audio file (MP3, WAV, M4A, FLAC...) by choosing a start and end second, directly in your browser. After uploading, you'll see the file's total duration so you can pick the range precisely.
Extracts only the segment between the start and end second, discarding the rest. The result is always delivered as MP3, regardless of the source format.
Use cases
- Trim a long voice memo down to the part that actually matters.
- Extract a specific clip from a podcast to share.
- Remove silence at the start or end of a recording.
How it works
- 1
Upload your audio
The total duration is detected automatically.
- 2
Choose start and end
In seconds, within the file's duration.
- 3
Download the clip
As MP3.
Technical details
Uses ffmpeg.wasm with position seeking (`-ss`/`-to`) before re-encoding, allowing a second-accurate trim without relying on any pre-defined cut points in the original file.
Frequently asked questions
Does it work with any audio format?
Yes, it accepts MP3, WAV, M4A, FLAC, AAC, OGG and OPUS as input; the output is always MP3.
How do I know my file's exact duration?
It's shown automatically as soon as you upload the file, read directly by your browser before anything is processed.