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How to play MS-MPEG4 v3 (DIV3) files without buying a codec

MS-MPEG4 v3 (DIV3) is a video codec — the way the picture is compressed. You find it inside .avi, .asf files.

Open the playerFree Windows app · v0.1.45

Updated 2026-11-11

At a glance

Also calledDIV3
Found inside.avi, .asf

Why it doesn’t play

Browsers and the built-in Windows apps can’t decode MS-MPEG4 v3 (DIV3). Usually you’re told to install a codec pack or buy an extension. You don’t need either.

Where it plays

PlayAnyVideo (web, Windows, Android)Plays
Chrome / Edge on their ownDoesn’t play
Windows Movies & TV / Media PlayerDoesn’t play

Play it free with PlayAnyVideo

  1. 1

    Open the PlayAnyVideo player in your browser — nothing to install — and drop the file in. Files never leave your device.

  2. 2

    If the browser can’t decode it, the built-in universal engine (open-source, LGPL) takes over automatically.

  3. 3

    For the heaviest files (4K/8K HEVC, DTS, TrueHD) install the free Windows app: it converts on the fly with your graphics card and plays everything.

  4. 4

    On Android, choose “Open with → PlayAnyVideo” from your file manager or messenger.

FAQ

Is it really free?

Yes. PlayAnyVideo has no ads, no paid codecs and no locked features.

Is my MS-MPEG4 v3 (DIV3) file uploaded anywhere?

No. Playback happens on your own device; local files are never sent to a server.

Do I need a codec pack?

No. Codec packs can break other players and often bundle adware. PlayAnyVideo brings its own decoders.

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