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Free converter
Anyfile converts a WebM video to an M4A audio (sound only) for free, right in your browser: the file is never uploaded.
Files are converted in your browser and never uploaded. By using Anyfile you agree to the Terms of Use.
| Picture | Left out: only the sound is saved |
|---|---|
| Sound | AAC in an M4A file |
| File size | About the same |
When to use M4A: Music on Apple devices, iPhone voice memos and ringtone sources.
.webm
An open, royalty-free video format launched by Google in 2010. Based on Matroska, it carries VP8, VP9 or AV1 video with Vorbis or Opus audio.
Video embedded in web pages, and screen recordings made in the browser.
Opens in Chrome, Firefox, Edge, Safari, VLC
About WEBM files.m4a
An MPEG-4 file that holds only audio, usually AAC and sometimes Apple Lossless (ALAC). Apple popularised it for songs bought and ripped in iTunes.
Music on Apple devices, iPhone voice memos and ringtone sources.
Opens in Music, QuickTime, iPhone, Windows Media Player, VLC
About M4A filesEverything that converts to M4A
Need to change it first? Open the video editor
Drop your WEBM file on this page, or choose it. Anyfile converts it on your device in a moment and the M4A downloads straight away. To change it first, open it in the video editor.
No. The file is read and converted by your own browser, and nothing is sent to a server. You can check: open your browser’s developer tools, go to Network, and convert a file. No upload appears.
M4A is a compressed format, and Anyfile saves at high quality, so the difference is very hard to notice.
Yes. Drop them together and you get one ZIP with every M4A inside.