MP4 to AVI Converter
No limits. No uploads. Free.
or drop it here, or press Ctrl+V to paste. Up to 1 GB.
Audio and video run on your device. The engine downloads once (about 30 MB), and longer files take a little while.
About MP4 to AVI
An MP4 container can contain different video and audio codecs, so the extension alone does not establish playback support. With MP4 to AVI, aVI is useful when legacy software requests it rather than when modern browser playback is required.
MP4 to AVI starts with browser processing for supported input. A MP4 file over 50 MB, or a failed device attempt, can use compatible server processing when capacity is available. That fallback uploads the file and deletes its job after download. The 1 GB selection limit does not guarantee completion.
How to convert MP4 to AVI
- 1
Select the original MP4 for your AVI export. An MP4 container can contain different video and audio codecs, so the extension alone does not establish playback support.
- 2
Start MP4 to AVI with the selected file.
- 3
Save the AVI result. Test both the picture and sound in the older application that needs AVI.
MP4 in MP4 to AVI
An MP4 container can contain different video and audio codecs, so the extension alone does not establish playback support.
For MP4 to AVI Converter, start with the actual MP4 file rather than renaming another format.
AVI in MP4 to AVI
AVI is useful when legacy software requests it rather than when modern browser playback is required.
After MP4 to AVI Converter, Test both the picture and sound in the older application that needs AVI.
Common questions
When is MP4 to AVI useful?
An MP4 container can contain different video and audio codecs, so the extension alone does not establish playback support. AVI is useful when legacy software requests it rather than when modern browser playback is required.
What should I inspect in the AVI exported from MP4?
Test both the picture and sound in the older application that needs AVI. Keep the MP4 source until you have confirmed the AVI is suitable.
What can I use MP4 to AVI for?
An MP4 container can contain different video and audio codecs, so the extension alone does not establish playback support. With MP4 to AVI, aVI is useful when legacy software requests it rather than when modern browser playback is required.
Will MP4 to AVI improve the original quality?
No. Conversion cannot restore missing sound or picture detail. Reencoding can introduce additional loss, even if the output is larger. For MP4 to AVI, Test both the picture and sound in the older application that needs AVI.
Why might my AVI file not play in every app?
Support depends on both the container and codecs. Test the downloaded result in the player or editor you intend to use. For MP4 to AVI, Test both the picture and sound in the older application that needs AVI.
Why can the first MP4 to AVI attempt take longer?
The browser downloads the audio and video engine at first use. Later attempts can reuse it, but long clips and slower devices still need processing time. For MP4 to AVI, Test both the picture and sound in the older application that needs AVI.
Does MP4 to AVI upload my file for processing?
The first MP4 to AVI attempt uses your browser for supported input. A compatible MP4 file over 50 MB, or an attempt your device cannot finish, may be sent for server processing if capacity exists. In that case the file is uploaded and the conversion job is deleted after download.