Drop a file here or click to choose
Your file stays on your device. Processing happens locally in your browser.
What is Trim Audio?
Trim Audio is a free online audio cutter that keeps only the part of a song or recording you need. Set the start and duration, choose MP3, WAV or AAC, and download the clip. It runs entirely in your browser, so your audio is never uploaded.
Trim audio online by start and duration, then export MP3, WAV, or AAC. Free audio cutter on Fah Swe Tools for podcasts and samples — processing runs locally in your browser, so your file never leaves your device.
Key features
- Cut by start time and duration
- Export MP3, WAV or AAC
- Lossless cut when the format stays the same
- Runs in your browser — your file never leaves your device
Popular uses
- Make ringtones and notification sounds
- Cut podcast intros and clips
- Trim voice notes and samples
Supported formats
Input: MP3, WAV, M4A, AAC, OGG, Opus or FLAC. Output: MP3, WAV or AAC (M4A).
Troubleshooting
- “The start time is past the end of this file.” Use a start time smaller than the length shown after you choose the file.
- iPhone won't use my ringtone. Choose AAC output and keep the clip under 30 seconds.
- The WAV file is very large. WAV is uncompressed. Pick MP3 or AAC for a much smaller file.
Also known as: MP3 Cutter, Audio Cutter, Ringtone Maker.
How it works
- Choose an audio file (MP3, WAV, M4A, AAC, OGG, Opus or FLAC) — it stays on your device.
- Set start and duration; pick the output format.
- Download the clip.
FAQ
Vs Convert Audio?
Convert changes format for the whole file; Trim cuts a time range.
Is my audio uploaded?
No. Trim Audio runs entirely in your browser with WebAssembly. Your file never leaves your device and is never sent to Fah Swe servers.
How do I make a ringtone from a song?
Choose the song, set the start second and a 20–30 second duration, choose MP3 (or AAC for iPhone) and download.
Can I convert format while trimming?
Yes. Pick MP3, WAV or AAC as the output.