WebM to M4A

Turn WebM into M4A with the output already selected for this page. Free batch processing with no signup or watermark.

Upload your videos

How to convert WebM to M4A

  1. 1

    Add one or more WebM files. You can review the complete batch before processing it.

  2. 2

    M4A is already selected for this page. Add multiple videos, choose the audio output and set a trim range when only part of the track is needed.

  3. 3

    Start the batch, then download and check the finished M4A file or files.

What changes when you convert WebM to M4A?

This conversion removes the picture from the WebM file and saves its audio track as M4A. Video resolution and frame rate do not carry into the result.

  • Add multiple videos, choose the audio output and set a trim range when only part of the track is needed.
  • Open the finished M4A file and check fine details, layout and compatibility in the app where you plan to use it.
Source format

What is a WebM file?

WebM is an open, royalty-free video format built for the web. It streams efficiently at small file sizes and is supported natively by modern browsers, which makes it ideal for online video and HTML5 players.

How to open a WebM file

WebM plays in all current browsers (Chrome, Firefox, Edge) and VLC; older devices or editing software may need it converted to MP4.

Output format

What is a M4A file?

M4A is an audio format that usually holds AAC-encoded sound in an MP4 container. It is Apple’s standard for music downloads and voice memos, offering great quality at small sizes and playing natively across the Apple ecosystem.

How to open a M4A file

M4A plays in Apple Music/iTunes, QuickTime, VLC and most modern media players; on older devices, convert it to MP3.

Frequently asked questions

Is it free to convert WebM to M4A?
Yes. There is no sign-up, subscription or watermark on the converted file.
What happens to quality when WebM becomes M4A?
This conversion removes the picture from the WebM file and saves its audio track as M4A. Video resolution and frame rate do not carry into the result.
Which conversion options are available on this page?
Add multiple videos, choose the audio output and set a trim range when only part of the track is needed.
How can I open the converted M4A file?
M4A plays in Apple Music/iTunes, QuickTime, VLC and most modern media players; on older devices, convert it to MP3.