Test direct video file URLs online.
Paste a public MP4 or browser-playable file URL to see whether it opens cleanly in the browser's native media stack, without extra wrappers or player code.
Live
This page reflects real browser playback limits. If the file uses an unsupported codec, the host blocks cross-origin access, or the link expires, the player will show that honestly.
Troubleshooting
Direct file playback looks simple, but browsers still reject plenty of URLs for format and delivery reasons. For the broader browser-side checklist, use the Troubleshooting Hub.
- Check the codec, not just the file extension. A URL ending in `.mp4` can still fail if the video or audio codec is not supported by the browser.
- Make sure the host allows direct cross-origin playback. Some file hosts let a media file open in a tab but block it when another site tries to embed or stream it.
- Use the final file URL whenever possible. Temporary redirects, expiring signed links, and anti-hotlink rules often surface as playback failures even when the file itself is fine.
FAQ
What files can I test here?
Direct browser-playable video files such as MP4 and WebM. HLS and DASH manifest URLs belong in the other tools.
Why does the file open in a tab but not in the player?
Direct navigation and embedded playback are different code paths. Response headers, codec support, and cross-origin rules still matter.
Can this fix a badly encoded file?
No. It shows what the browser can do with the file URL you already have. Broken encoding must be fixed at the source.
Should I be using MP4 or M3U8 instead?
If you are deciding between a direct file and a streaming playlist, read M3U8 vs MP4 before you lock the format in.