MP4 File Generator
Real MP4 video files with an H.264 track that plays. Generate dummy MP4 files from 1KB to 20MB, exact to the byte. No uploads, no registration. 100% free and private.
Generate MP4 File
Files are generated on the server
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Features
- Every file contains a genuine H.264 video track that decodes and plays in QuickTime, VLC, browsers and mobile players. The picture is a generated colour animation at 160x96, not filmed footage, but it is real encoded video rather than filler
- Exact byte sizes from 1KB to 20MB
- Fast server-side generation
- No registration required
- Deterministic output — the same request returns the same file
Use Cases
- Test MP4 upload functionality in web apps
- Verify file size validation limits
- Test MP4 parsing and processing pipelines
- QA storage and CDN behaviour
- Load testing with various file sizes
Frequently Asked Questions
- How do I generate a dummy MP4 file?
- Pick a preset size or switch to the Exact size tab to type a precise byte count, then click "Generate MP4 File". The file is created on our server and downloaded automatically.
- Are the generated MP4 files valid?
- Every file contains a genuine H.264 video track that decodes and plays in QuickTime, VLC, browsers and mobile players. The picture is a generated colour animation at 160x96, not filmed footage, but it is real encoded video rather than filler.
- Is my data safe?
- Yes. Files are generated on our servers and downloaded directly to your device. We do not store any generated files.