Take a screenshot of a clear frame from the video and upload it to Google Lens or TinEye .
If you have the file, you can often find the original post by:
Platforms like Shutterstock's Reverse Video Search or specialized tools can sometimes find matching clips. 3. Posting Content from an MP4 File If your goal is to create a new post using this file:
Check the v.redd.it domain or your browser history for recent Reddit threads.
If you found this in your cache, it likely came from a specific server or direct message.
You can use services like ScreenPal to host the video and generate a sharable link or embed code.