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Free Online MP3 Splitter

Split a long MP3 into smaller files in your browser. Choose cut points, timestamps, equal parts, or fixed durations.

Drop your MP3 here

Up to 100 MB. Your audio stays on your device.

How to split an MP3 file

  1. Choose your MP3 from your computer or phone. It opens in your browser and is not uploaded.
  2. Click the waveform to place cuts, paste timestamps, or pick equal parts or a fixed length.
  3. Check the list of parts, rename them if you like, then download them one by one or as a ZIP.

Ways to split your MP3

Pick the way that matches what you already know about your recording. You can switch between them after your file is open, and your settings for each stay in place while the page is open.

  • Manual cuts. Play the file, add a cut where you want one, and fine-tune its time. Best when you are listening for the right spot.
  • Timestamps. Paste a chapter list and get one named file per chapter. Use the split MP3 by timestamps page when you already have a tracklist or show notes.
  • Equal parts. Divide the file into 2 to 20 parts of the same length. See split MP3 into equal parts.
  • Fixed duration. Make a new part every 10 minutes, or any length you choose. See split MP3 by duration.

Common uses

People use SplitMP3 to cut a podcast into episodes or segments, split an audiobook into chapters, break a long lecture into sessions, separate a recorded call or interview into topics, and divide a long recording so it fits an upload limit.

Good to know

  • Cuts snap to the nearest MP3 frame, about 26 milliseconds. Parts are copied, not re-encoded.
  • The first fraction of a second after a cut can start with a few milliseconds of silence.
  • Tags and cover art are not copied into the parts.
  • Files up to 100 MB on desktop and 50 MB on phones. Only MP3 files are supported.

Frequently asked questions

Can I split an MP3 into several parts?

Yes. Add multiple cut points, paste chapter timestamps, choose an equal number of parts, or set a fixed duration. Every mode gives you a list of parts to check before you split.

Are my MP3 files uploaded to a server?

No. SplitMP3 processes your audio in your browser. Your audio file is not uploaded to our servers.

Does splitting reduce audio quality?

SplitMP3 copies the existing MP3 data into new files without re-encoding it, so the sound itself is not recompressed. Cuts snap to the nearest MP3 frame, about 26 milliseconds, and the first fraction of a second after a cut can start with a few milliseconds of silence. Results can vary by source file.

Do I need to create an account?

No. You can split and download your MP3 for free without signing up.

Is there a file size limit?

Files up to 100 MB are supported on desktop browsers and up to 50 MB on phones and tablets. The exact limit that applies to your device is shown if a file is too large.

Can I use it on my phone?

Yes. SplitMP3 works in current versions of Safari on iPhone and Chrome on Android. Large files may be slow on older phones, so try a smaller MP3 first.