Why convert old AVI videos
AVI dates back to 1992, when Microsoft created it for Windows. Older digital cameras, camcorders and screen capture tools saved clips in this format, often with video that compresses poorly, so the files are large for their length.
MP4 with modern compression stores the same footage in far less space. It also opens in current phone galleries, smart TVs and sharing websites, where some AVI files fail or only play sound.
How to convert AVI to MP4
- Drop the AVI file on the page, or choose it from your computer.
- In the Convert tab, select MP4.
- Press Start and follow the progress bar.
- Check the preview and download the MP4.
Save space and keep your memories
Converting family videos is a good moment to back them up. Convert the files, check that each one plays, and only then decide what to keep. The original AVI is not changed by this tool.
If you want a much smaller result, open the Compress tool after converting. You can lower the resolution or set a target size, which helps when you want to send a clip by email or a messaging app.
Questions
Will the MP4 be smaller than the AVI?
Usually yes, because MP4 uses more efficient compression. The exact result depends on the original file.
My AVI has no sound after playing. Can this help?
Often, yes. Some AVI files use old audio codecs that new players lack. Converting re-encodes the sound in a common format.
Is my video uploaded?
No. The file is read and converted in your browser and stays on your device.