FileTranslator › AVI to MP4
Convert AVI to MP4
AVI files from old cameras, camcorders and downloads predate modern devices — phones and TVs often cannot play them at all.
Drop AVI files here
or
Output is pre-set to MP4 — you can change it per file after adding.
About AVI to MP4 conversion
Each AVI is re-encoded to H.264 MP4, bringing decades-old footage onto phones, TVs and editing timelines. Local processing means your family videos stay yours.
Good to know: Browser-based re-encoding takes a few minutes per video minute. Leave the tab open until the download appears.
How to convert AVI to MP4
- Drop your AVI file onto the box above, or click Choose files.
- The output format is already set to MP4 — adjust it per file if you need something else.
- Click Convert, then download your MP4 file.
Free, no account, no watermarks — and because the conversion runs in your browser, your files are never uploaded to a server.
AVI to MP4 — frequently asked questions
How do I convert AVI to MP4?
Drop your AVI file onto the converter above (or click Choose files), make sure the output format is set to MP4 — it is preselected on this page — then click Convert and download the result.
Is this AVI to MP4 converter free?
Yes. Converting AVI to MP4 on FileTranslator is completely free, with no account, no file limit and no watermarks. The site is supported by ads instead of fees.
Are my AVI files uploaded to a server?
No. The conversion from AVI to MP4 runs entirely in your browser using WebAssembly and JavaScript — your files never leave your device, which makes it safe for private documents and photos.
What should I know before converting AVI to MP4?
Browser-based re-encoding takes a few minutes per video minute. Leave the tab open until the download appears.