# Quicktime compression

**URL:** <https://forum.kirupa.com/t/quicktime-compression/94079>\
**Category:** Uncategorized\
**Created:** [November 8, 2003, 4:56am UTC](https://forum.kirupa.com/t/quicktime-compression/94079 "2003-11-08T04:56:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![snake](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/snake/32/337_2.png) [@snake](https://forum.kirupa.com/u/snake)\
**Post date:** [November 8, 2003, 4:56am UTC](https://forum.kirupa.com/t/quicktime-compression/94079/1 "2003-11-08T04:56:13Z")

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I have quicktime pro, 6.3, and Im trying tio get my file size down. Im using sorenson and its still 4.8 M for 20 seconds. I look at the quality of the trailers on apples web site and i’m wondering if anybody knows how they do it??

Thanks

Rob