Trim audio without uploading it anywhere
MP3 Studio is a professional waveform editor that runs entirely in your browser. Your files stay on your device — always. Cut multiple sections, zoom to millisecond precision, preview your result, and export a clean MP3 in seconds.
Multi-cut waveform editor
Mark multiple sections to remove in a single pass — no re-uploading, no repeating the process.
Visual waveform editor — drag to mark cuts, see everything in real time
Built different from other online trimmers
Most tools are simple crop-and-download. MP3 Studio is a real editor.
Zero Upload Privacy
Your audio never touches a server. All cutting and exporting happens inside your browser via WebAssembly — completely private.
Multi-Cut in One Pass
Mark as many sections as you want to remove. Most tools limit you to one trim. We don't.
2000× Precision Zoom
Zoom in to millisecond accuracy on the waveform. Find the exact frame where the background noise starts.
Preview Before Export
Hear your edited audio before downloading. Know exactly what you'll get — no surprises.
Real-Time Cursor & Playhead
Always see your exact timestamp while hovering or playing. No guessing, no typing in timecodes.
No Size Limit, Free Forever
No trial, no watermark, no account. Works on files hundreds of MB in size.
Zoom in to millisecond precision
Up to 2000× zoom — find the exact frame where a sound starts or ends. Rare in any online tool.
2000× zoom — the badge bottom-right shows the current zoom level
Preview before you download
Hear the final result first. No wasted downloads, no second-guessing.
How we compare
vs. typical online audio trimmers
How it works
Drop your audio file
Drag and drop or browse. MP3, WAV, FLAC, M4A and more — all accepted.
Mark cuts on the waveform
Drag over the parts you want to remove. Zoom in for surgical precision. Red = cut.
Preview, then export
Listen to the result first. When you're happy, click Export MP3 — done.
Frequently asked questions
Does MP3 Studio upload my audio to a server?
No. All processing happens inside your browser using WebAssembly. Your files never leave your device.
Can I remove multiple sections from one file?
Yes. Mark as many cut regions as you want on the waveform and export everything in one pass.
Is there a file size limit?
No. Because processing runs in your browser there's no server-side cap. Large files work fine.
What formats are supported?
MP3, WAV, M4A, AAC, FLAC, OGG, and OPUS. All converted to MP3 on export.
Can I preview before downloading?
Yes. Click Preview to hear your edited result before you commit to downloading.
Does it work on mobile?
The editor works best on desktop Chrome or Edge. Mobile support is limited by browser WebAssembly performance.
Ready to trim your audio?
No sign-up. No server. Your files stay on your device — always.
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