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Trim your MP3 and audio files precisely. No server uploads, instant processing using WebAssembly.
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Supported: MP3, WAV, AAC, OGG, FLAC, WMA, M4R • Max recommended: 200MB
Precision trimming that respects your source material. The MP3 Cutter lets you set exact start and end points to the millisecond — ideal for creating ringtones, extracting podcast quotes, and isolating voice segments without re-encoding the entire file.
Set trim points via waveform scrubbing or direct time-code entry. The browser processes cuts using WebAssembly — no upload lag even on files longer than an hour.
For MP3 files, cuts at frame boundaries are lossless — no added compression artifacts.
Need to join multiple trimmed clips? Use Merge Audio to stitch segments into a continuous track.
Yes. For MP3 files we cut at frame boundaries without re-encoding, so the trimmed segment is bit-identical to the original — no added compression artifacts from the trim operation itself.
There is no practical minimum. You can extract a 1-second sound effect from a full-length track. The waveform scrub view helps you pinpoint positions to the millisecond.
Yes. Processing runs client-side in your browser with no upload timeout constraints. Files over an hour long process reliably on standard laptop hardware.
Check out our technical guides to learn more about how browser-side processing works.
Read Glossary