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Free MP3 Cutter Online

Cut, trim, and slice audio files with millisecond precision. No install, no sign up. 100% private, processed in your browser.

Online Audio Cutter & Trimmer

Drag & drop your audio file here

or click to browse • MP3, WAV, FLAC, OGG, M4A, WebM, AIFF, MP4 • Max 50MB

How to Cut MP3 Audio Online

  1. Upload Your Audio

    Drag and drop or browse to select your audio file. We support MP3, WAV, FLAC, OGG, M4A, WebM, AIFF, and MP4 formats.

  2. Select the Region to Keep

    Use the waveform visualization to identify the section you want to keep. Drag the start and end handles, or use the time inputs for millisecond precision.

  3. Preview Your Selection

    Click "Play Selection" to hear only the cut portion. Adjust the handles if needed until you're satisfied.

  4. Export & Download

    Click "Export & Download" to save your cut audio as a high-quality WAV file. The processing happens entirely in your browser.

Why Use ChangerAudio MP3 Cutter?

No Sign Up

No account needed. No email required. Just open and use instantly.

No Install

Works directly in your browser. No software, no plugins, no downloads.

100% Free

No watermarks, no hidden limits. Forever free for personal and commercial use.

Millisecond Precision

Zoom in on the waveform and select exact start and end points for professional results.

Frequently Asked Questions

What audio formats can I cut with this tool?

You can cut MP3, WAV, FLAC, OGG, M4A, WebM, AIFF, and MP4 files. Export is always in high-quality WAV format (16-bit PCM).

How precise is the audio cutting?

ChangerAudio MP3 Cutter offers millisecond precision. You can zoom in on the waveform to select exact start and end points, perfect for professional audio editing.

Is my audio uploaded to a server?

No! All audio processing happens locally in your browser using Web Audio API. Your files never leave your device, ensuring 100% privacy.

Do I need to install any software?

No! ChangerAudio MP3 Cutter works entirely in your browser. No install, no download, no software required. Just open the page and start editing.

What is the maximum file size?

The maximum file size is 50MB. This limit depends on your browser's available memory. For most audio files (songs, podcasts, voice recordings), this is more than enough.

Can I use the output commercially?

Yes, all exports are royalty-free. You can use them for personal or commercial projects.