Does trimming lose quality?

No. The original stream is copied as-is, so the result matches the source. Re-encoding only happens if you change the format.

Yes. Video can only be cut on keyframes; audio has no such limit.

Is the file uploaded?

No. Everything happens in your browser and the file stays on your device.

Ssakdduk

Trim an MP3

Pick the range against the waveform and keep it. Audio has no keyframes, so the cut lands exactly where you put it, and copying the original encoding means no quality loss and no waiting.

Processed in: Your browser
Server upload: None
Formats: MP4 · MOV
Best under: 20 min · 1080p

Drag in an audio file, or click to choose

Trim, join and turn MP3 · M4A · WAV into a ringtone

Recommended: under 20 min / 1080p — on iPhone prefer Most Compatible (MP4) — larger files may take several minutes

FAQ

Before you start

Does trimming lose quality?: No. The original stream is copied as-is, so the result matches the source. Re-encoding only happens if you change the format.
Is the cut exact?: Yes. Video can only be cut on keyframes; audio has no such limit.
Is the file uploaded?: No. Everything happens in your browser and the file stays on your device.