Audio trimmer for recordings of any kind: trim the silence, mistakes and extra bits from the start and end of your audio, right in your browser. It works with MP3, WAV, M4A, FLAC and more, and saves your file in the same format whenever possible. It’s free, there’s no sign-up, and your recording never leaves your device.
How to use the audio trimmer
- Tap Choose file and pick your recording, or drop it onto the box.
- Move the yellow handles to where the audio should start and end. You can also type exact times, like 0:03.5.
- Press Preview to check the selection. Add a short fade so the audio doesn’t start or stop abruptly.
- Press Cut audio, listen to the trimmed file, then download it.
Made for voice recordings, podcasts and voice notes
Most recordings start with a few seconds of silence, a cough, or the sound of tapping the record button, and end the same way. This audio trimmer makes it quick to clean those up. The waveform shows you exactly where the sound begins and ends, so you can see the quiet parts and cut them away.
It’s useful for podcast intros, interview clips, voice memos, lecture recordings, music practice sessions and audio for videos. If you need to remove a mistake from the middle, choose Remove it and the audio before and after is joined together.
Why use this audio trimmer?
- Private. Your recording is processed on your own phone or computer. Nothing is uploaded.
- Keeps your format. Trim a WAV and you get a WAV back. Trim an M4A and you get an M4A. You can also choose a different format.
- Precise. Move the start and end in tenths of a second, or tap Start here and End here while listening.
- No limits on use. No account, no watermark, no daily limit.
How the audio trimmer works
The audio trimmer is powered by FFmpeg, the free, open-source engine behind many professional audio and video apps. A version built to run inside your browser reads your file, trims it at the exact times you chose, and saves it again. Lossless formats like WAV and FLAC are trimmed with no loss of quality at all.
More free audio tools
- MP3 Cutter: Cut MP3s and make ringtones
- MP3 Converter: Turn WAV, M4A or FLAC files into MP3
- Audio Converter: Convert between MP3, WAV, M4A, FLAC, OGG and OPUS
- MP4 to MP3 Converter: Get the sound from an MP4 video
- Video to MP3 Converter: Extract audio from MOV, WebM and MKV videos
Audio trimmer FAQ
Which formats can I trim?
MP3, WAV, M4A, AAC, FLAC, OGG, OPUS, WMA and AIFF, plus the sound from MP4, MOV, WebM, AVI and MKV videos.
Can I set exact start and end times?
Yes. Type times like 1:23.5 into the Start and End boxes, or use the minus and plus buttons to move in tenths of a second.
Are my recordings uploaded anywhere?
No. The audio trimmer runs in your browser, so your recording stays on your device and nothing is kept after you close the page.
How big can my file be?
Up to 150 MB on a phone or tablet and 500 MB on a computer. That’s many hours of MP3 audio.
Does it work on iPhone and Android?
Yes. It works in Safari, Chrome and other modern browsers on phones, tablets and computers.