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How to reduce video file size on iPhone?

You can reduce video file size on iPhone by changing recording settings, trimming clips, and choosing more storage-friendly ways to save or share video. This is helpful when storage runs low or files are too large to send easily.

Ways to make videos smaller
  1. Record at a lower resolution or different quality setting when 4K is unnecessary.
  2. Trim extra footage you do not need.
  3. Avoid keeping multiple versions of the same clip.
  4. Use sharing or export options that suit the destination.
What usually makes files too large
  • Very high recording quality
  • Long clips
  • Keeping untrimmed footage
Pro Tip
  • If the final video is meant for messaging or quick online sharing, lower the recording quality before filming next time instead of relying only on file reduction afterward.
  • Trim first, then decide whether further size reduction is still needed.
  • Check storage after big video sessions.
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