I am Queen Bee.
And this is the letter Q.
Click on me to hear the sound.
For a 360p MP4 to reach half a gigabyte, the video is likely very long. 360p usually runs at 0.5 to 1 Mbps.
Use tools like Handbrake to compress the file using the H.264 codec with a "Constant Quality" setting.
If the video is short (e.g., 10 minutes) but still 503 MB, it indicates .
At standard compression, a 503 MB file would be approximately 60 to 90 minutes long.
Ensure there isn't unnecessary "padding" or attached data within the MP4 container. Final Verdict