Audio Cutter
- Free
- No upload
- No watermark
Quick answer
An audio cutter lets you select one section of a track on its waveform and keep exactly that part, discarding the rest. Set the start and end sliders over the passage you want, play the track to find it, and export just that slice. This runs entirely in your browser on the audio engine — the file is cut locally, and nothing is ever uploaded to a server.
Step by step
How to audio cutter
- 01
Load your audio
Drop an MP3, WAV, M4A or other file onto the drop zone. The waveform is drawn from the decoded audio so you can see where the sound is.
- 02
Select the section to keep
Drag the Start and End sliders to bracket the passage you want. Play the track to find the in and out points, then set them to a tenth of a second.
- 03
Cut and download
Export the selection. You get a new file containing only the selected section, in the same format as the original, ready to save.
In depth
What is the difference between cutting and trimming?
People use the words loosely, but there is a clean distinction worth holding onto. Trimming shaves time off the outer edges — you set a start and an end, and everything between them survives. Cutting in the destructive-edit sense removes a chunk. This tool is built around the most common real task: mark a region and keep that region, throwing away everything before and after it. That is why it is the go-to for pulling a clip or a sample out of a longer recording, where the good part sits somewhere in the middle.
Functionally, keeping a selection and trimming to that selection produce the same result, so if you prefer the framing of edge handles, trim audio does the identical job with the same waveform. Reach for this cutter when your mental model is "grab this bit", and the trimmer when it is "chop the ends".
How precise can the cut be?
The sliders move in steps of a tenth of a second and the waveform highlights your selection, so you can place an in-point right before a downbeat or right after a breath. For music, cut on the beat; for speech, cut in the silence between words so the edit is inaudible. On MP3, M4A and OGG the cut lands on the nearest frame boundary (a few tens of milliseconds) because the audio is copied, not re-encoded; WAV and FLAC are cut sample-accurately.
| You want to… | Use |
|---|---|
| Keep one section, discard the rest | Audio cutter (this tool) |
| Shave silence off the start and end | Trim audio |
| Break one file into two at a point | Split audio |
| Turn a clip into a phone ringtone | Ringtone maker |
| Stitch several clips together | Merge audio |
Which formats can you cut?
The cutter reads the common lot — MP3, WAV, M4A/AAC, FLAC, OGG and Opus — because they are decoded through the same engine that powers the rest of the audio suite. The cut is exported in the same format as the file you loaded; if you need a different container afterwards, hand the result to the audio converter.
Is my audio uploaded to cut it?
No. The file is displayed as a waveform and cut inside your browser using ffmpeg compiled to WebAssembly. It never travels to a server. You can prove it: open your browser DevTools, switch to the Network tab, and cut a file — no upload request appears. That matters for unreleased music, private interviews and any recording you are not free to share.
Related audio and media tools
Pair the cutter with split audio to divide a recording, merge audio to join clips, or fade in / out to soften a hard edit. If the clip you cut is a slice of dialogue and you also have its captions, you can turn a subtitle file into a plain transcript to caption or quote it.
Your files never leave your device
Processed locally in your browser — nothing is uploaded. You can verify it yourself: open your browser’s developer tools, watch the Network tab, and use the tool — no upload request is ever made.
- No file is ever uploaded to a server
- Works offline after the first visit
- No account, no watermark, no limits
A little more clarity
Frequently asked questions
01Does the audio cutter re-encode my file?
Not for MP3, M4A or OGG: those are cut by copying the audio, so quality is untouched and the cut lands on the nearest frame (a few tens of milliseconds). WAV and FLAC are cut sample-accurately and stay lossless.
02How do I keep just the chorus of a song?
Set Start to the first beat of the chorus and End to where it finishes, then export. Only the chorus is kept.
03What is the shortest section I can cut?
You can cut down to a fraction of a second. The sliders move in tenths of a second, so short samples and one-word clips are possible.
04Can I cut a WAV or FLAC, not just MP3?
Yes. WAV, FLAC, M4A, AAC, OGG and Opus all decode in the browser, so you can cut any of them, not only MP3.
05Will cutting change the pitch or speed?
No. Cutting only removes audio outside your selection; the kept section plays back at its original pitch and speed.
06Is there a length limit on the file I load?
There is no fixed limit, but very long files use more memory because the whole track is decoded locally. Feature-length recordings work; extremely large ones depend on your device’s RAM.
07Do I need to install anything or sign up?
No. The cutter runs in the browser with no install and no account. The one-time engine download happens the first time you edit and is then cached.
Guides
Further reading
- Guide4 min readHow to trim an audio file for free in your browserTrimming audio should take seconds and cost nothing. This guide shows how to remove dead air, keep a single section, or split a recording — all in your browser, with the file never leaving your device.Read the guide
- Guide4 min readHow to make a ringtone from any songA ringtone is just a short, punchy clip in the right format. This guide shows how to make one for iPhone or Android from any song, entirely in your browser, in a couple of minutes.Read the guide
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