# Keep m4a in it's original size?

**URL:** <https://community.mp3tag.de/t/keep-m4a-in-its-original-size/43087>\
**Category:** Support\
**Created:** [September 25, 2018, 12:18pm UTC](https://community.mp3tag.de/t/keep-m4a-in-its-original-size/43087 "2018-09-25T12:18:07Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Talkabout](https://community.mp3tag.de/letter_avatar_proxy/v4/letter/t/a698b9/32.png) [@Talkabout](https://community.mp3tag.de/u/Talkabout)\
**Post date:** [September 25, 2018, 12:18pm UTC](https://community.mp3tag.de/t/keep-m4a-in-its-original-size/43087/1 "2018-09-25T12:18:07Z")

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Why mp3tag keep making m4a size small after editing?

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**Author:** ![ohrenkino](https://community.mp3tag.de/user_avatar/community.mp3tag.de/ohrenkino/32/4843_2.png) [@ohrenkino](https://community.mp3tag.de/u/ohrenkino)\
**Post date:** [September 25, 2018, 2:24pm UTC](https://community.mp3tag.de/t/keep-m4a-in-its-original-size/43087/2 "2018-09-25T14:24:50Z")

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What comes to mind:  
you removed the embedded cover  
The padding algorithm of the previous program was different to that of MP3tag.  
You used the funtion to optimize MP4 files.  
Such things.

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**Author:** ![system](https://community.mp3tag.de/uploads/default/original/2X/c/ce7035d426cb755a7916793326d23b465222a407.png) [@system](https://community.mp3tag.de/u/system)\
**Post date:** [February 9, 2026, 12:27pm UTC](https://community.mp3tag.de/t/keep-m4a-in-its-original-size/43087/3 "2026-02-09T12:27:41Z")

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