Free Online Audio Cutter

Trim any audio file down to the part you need — drag on the waveform, cut, and export. Fast, free and entirely in your browser.

How to Cut Audio Online

  1. 1

    Open the Audio Studio

    Go to the DefyAudio Studio — the audio cutter runs in your browser.

  2. 2

    Upload your file

    Add an MP3, WAV, FLAC or other audio file to load its waveform.

  3. 3

    Select the section

    Drag the start and end handles on the visual waveform to keep exactly the part you want.

  4. 4

    Choose a format

    Pick the output format — MP3, WAV, FLAC, OGG and more.

  5. 5

    Cut and download

    Export your trimmed clip instantly — processed locally, no upload.

Precise waveform trim

Zoom in and drag handles to cut on the exact millisecond.

Any format in & out

Cut MP3, WAV, FLAC, OGG, M4A and export to your chosen format.

Fades & polish

Add fade-in/out to the cut so the clip starts and ends cleanly.

Ringtone-ready

Trim to a short hook and export — perfect for ringtones or notifications.

Cut Audio, Make Ringtones & Clean Up Recordings

An audio cutter lets you keep just the part of a track you actually need — a chorus, a sound bite, a ringtone hook, or the good take from a long recording. DefyAudio shows the full waveform so you can select the exact region visually, then export only that slice.

Because it runs locally in your browser, cutting is instant and completely private — ideal for trimming voice memos, podcast segments, or music clips without ever uploading them.

100% private — files never leave your device
No upload, no watermarks, no sign-up walls
Works in any modern browser, on any OS
Free account with 5 daily uses

Frequently Asked Questions

How do I cut an audio file online for free?

Open DefyAudio's Studio, upload your file, drag the handles on the waveform to select the part to keep, and export — free and with no upload.

Can I use this to make a ringtone?

Yes. Trim the track to a short section (typically under 30 seconds), add a fade if you like, and export as MP3 or M4A for your phone.

Does cutting re-encode and lose quality?

Export to a lossless format (WAV/FLAC) to keep full quality, or choose your MP3 bitrate. Either way the untouched part of the audio is preserved.

Are my files uploaded?

No — trimming happens entirely in your browser, so your audio stays on your device.

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Ready to get started?

Create a free account and start in seconds — 100% private, right in your browser.