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WebM to AAC

Convert your WebM files to AAC online, free and in seconds. Just upload, and the file is converted right in your browser — no software to install and no account needed.

Upload your videos

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How to convert WebM to AAC

  1. 1

    Upload your WebM file — drag and drop it or click to browse. You can add several at once.

  2. 2

    AAC is already selected as the output format, so there's nothing to configure.

  3. 3

    Click Convert and download your new AAC file.

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.

What is a AAC file?

AAC (Advanced Audio Coding) is the successor to MP3, delivering better sound at the same file size. It is the default for Apple Music, YouTube and most streaming services, and is supported across virtually all modern devices.

How to open a AAC file

AAC plays in Apple Music/iTunes, QuickTime, VLC and on nearly all modern phones, browsers and players.

Frequently asked questions

Is it free to convert WebM to AAC?
Yes. Converting WebM to AAC is completely free, with no watermark, no sign-up and no limit on the number of files.
Will converting WebM to AAC reduce the quality?
No — the converter keeps your file at the highest quality the AAC format allows.
Do I need to install any software?
No. The whole WebM to AAC conversion runs online in your browser and works on Windows, Mac, Android and iOS.
Are my files kept private?
Your files are processed only to perform the conversion and are not shared with anyone.