# (MX) different preload question: file size

**URL:** https://forum.kirupa.com/t/mx-different-preload-question-file-size/9181
**Category:** flash
**Created:** [December 6, 2002, 3:16pm UTC](https://forum.kirupa.com/t/mx-different-preload-question-file-size/9181 "2002-12-06T15:16:00Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![mumblestiltskin](https://avatars.discourse-cdn.com/v4/letter/m/7feea3/32.png) [@mumblestiltskin](https://forum.kirupa.com/u/mumblestiltskin)
#### Post date: [December 6, 2002, 3:16pm UTC](https://forum.kirupa.com/t/mx-different-preload-question-file-size/9181/1 "2002-12-06T15:16:00Z")

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Seems like an easy question/answer to me . . .

My swf file is around 600kb, but my preloader (and I’ve tried 2 different ones) say my files size is 1mb

What’s the deal with the file size difference? Does flash uncompress or something?

Thanks