Professional-level editing can be done for free using CapCut or YouTube Create .

You can create dozens of videos in a short time by turning text/tweets into video or using B-roll footage to supplement your main shots. 3. Managing Large MP4 Files If your "full content" results in a very large file:

To reduce size without losing too much quality, you can lower the resolution, frame rate, or use compression software.

For files larger than 33 MB, use cloud services like Google Drive , Dropbox , or iCloud .