WebM
An open web video format that uses VP8, VP9 or AV1 video with Opus or Vorbis audio.
- Type
- video
- Best for
- video on websites
No account · no upload · no watermark
Convert WEBM to AVI. Completely free.
Drop your WEBM and get an AVI back, right here in this tab. Your own computer does the work, so nothing gets uploaded, and there's no paid version.
WEBM to AVI converter
Audio Video Interleave
A Microsoft container from 1992 that older players and software still expect.
- Type
- video
- Best for
- older players and software
What to expect
If the video and audio inside are already something AVI can hold, they're copied across with no quality loss, which takes seconds. Otherwise they're re-encoded, on your graphics hardware where possible and with FFmpeg in the tab where not.
How to convert WEBM to AVI
- Drop your WEBM on this page, or choose it from your device.
- AVI is already selected. Adjust quality, size or trim if you want to, and each option shows the size it will produce.
- Press Convert, watch it work, then download the result.
Questions
Is this WEBM to AVI converter really free?
Yes, completely. Every tool and every format is free, and there's no paid version, account, watermark or daily limit.
Do my files get uploaded?
No. Your browser does the work on your own device, so your files stay with you. Closing the tab clears them from memory.
Can I convert several files at once?
Yes. Drop as many as you like, and the results can be downloaded together as a ZIP.
Does it work on a phone?
Yes, in a current mobile browser. Large files are limited by how much memory your device can spare.
What should I know about WEBM to AVI?
If the video and audio inside are already something AVI can hold, they're copied across with no quality loss, which takes seconds. Otherwise they're re-encoded, on your graphics hardware where possible and with FFmpeg in the tab where not.
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Ready to convert your WEBM?
- Completely free
- Nothing uploaded
- No account
- No watermark