Cut audio with waveform precision
Drop an MP3 (or any audio), see the waveform, drag the start/end handles, download just the part you want.
How it works
1
Drop audio
MP3, WAV, FLAC, M4A, OGG — we'll read it and render the waveform.
2
Pick start + end
Drag the handles. Click a timestamp to play from that point.
3
Download
MP3 or WAV — your call. Re-encoded clean, with frame accuracy.
Why use Toolstack's MP3 Cutter?
100% private
Your file never leaves your device — everything runs locally in your browser.
Instant
No upload, no queue. The result is ready as soon as your laptop finishes the math.
Free forever
No signup, no credit card, no daily limits for the core features.
Open standards
We use proven open-source libraries — no proprietary lock-in, no shady tracking.