A set of dummy MP4 files in fixed sizes from 1 MB to 5 GB. MIME type: video/mp4.

Pick a size, download, and run the same checks you would with a real MP4 — uploads, parsers, viewers.

Can I use it commercially?

Yes. Dummy files from DummyFiles.dev are free to use in commercial projects, tests and CI. They contain no third-party copyrighted content.

How was it generated?

The MP4 is generated on download: a short clip with animated dummyfiles.dev text, looped so the file is exactly MP4.

Yes. Open the MP4 page for every size from 1 MB to 5 GB.

All MP4 sizes

Download dummy MP4 files: playable test videos from 1 MB to 5 GB, clip looped to the target size.

Go to generator

This is a valid MP4 of the stated size, generated for testing — not a finished document.

What is this file?: A set of dummy MP4 files in fixed sizes from 1 MB to 5 GB. MIME type: video/mp4.
How can I use it?: Pick a size, download, and run the same checks you would with a real MP4 — uploads, parsers, viewers.
Can I use it commercially?: Yes. Dummy files from DummyFiles.dev are free to use in commercial projects, tests and CI. They contain no third-party copyrighted content.
How was it generated?: The MP4 is generated on download: a short clip with animated dummyfiles.dev text, looped so the file is exactly MP4.
Are larger files available?: Yes. Open the MP4 page for every size from 1 MB to 5 GB.