# Video question

**URL:** <https://forum.kirupa.com/t/video-question/47510>\
**Category:** Uncategorized\
**Created:** [April 4, 2004, 4:58pm UTC](https://forum.kirupa.com/t/video-question/47510 "2004-04-04T16:58:31Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![macneilslt](https://avatars.discourse-cdn.com/v4/letter/m/aeb1de/32.png) [@macneilslt](https://forum.kirupa.com/u/macneilslt)\
**Post date:** [April 4, 2004, 4:58pm UTC](https://forum.kirupa.com/t/video-question/47510/1 "2004-04-04T16:58:31Z")

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I have a question about file sizes of .swf files, with .mpg files in them…  
I have a vid clip called dmbs.mpg it’s 1.12mb, when i put it into a swf so it can be played within my site, instead of being downloaded, the .swf file size is 2.37mb, why is the .swf file 1.25 mb bigger than the .mpg?