# Use loader to encrypt swf

**URL:** <https://forum.kirupa.com/t/use-loader-to-encrypt-swf/308744>\
**Category:** flash\
**Created:** [April 29, 2010, 7:40am UTC](https://forum.kirupa.com/t/use-loader-to-encrypt-swf/308744 "2010-04-29T07:40:32Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![domyself](https://avatars.discourse-cdn.com/v4/letter/d/ac8455/32.png) [@domyself](https://forum.kirupa.com/u/domyself)\
**Post date:** [April 29, 2010, 7:40am UTC](https://forum.kirupa.com/t/use-loader-to-encrypt-swf/308744/1 "2010-04-29T07:40:32Z")

</div>

I think the simple way to encrypt a swf is using Loader. Adding a chorme to the target swf, so the decompiler can not work.

I’d used serval encrypt tools. Finally, I find [a very lite app(air application)](http://doswf.org/files/DoSWF4.5.2.air).