http://livedocs.adobe.com/ Macromedia LiveDocs - online documentation with user feedback. Copyright 2009, Macromedia, Inc. 2009-11-26T00:57:11 en-us http://livedocs.adobe.com/coldfusion/7/htmldocs/00000404.htm#72443 If you are wanting to convert a string to hex and back try the following:<br /><br />String to Hex:<br /><br />binaryEncode(toBinary(toBase64(value)),'hex')<br /><br />Hex to String:<br /><br />toString(toBinary(toBase64(binaryDecode(value,'hex')))) SupremeGopher 0 0 2007-08-21T18:43:22 http://livedocs.adobe.com/coldfusion/7/htmldocs/00000404.htm#58238 In response to mattdrayer<br>There is no efficiency difference between the two techniques.<br>I'd guess that we recommend using BinaryEncode because it is a superset of ToBase64, but you can use either. halL 1 1 2006-12-20T07:14:39 http://livedocs.adobe.com/coldfusion/7/htmldocs/00000404.htm#57921 Hi there,<br /><br />Wondering if someone can elaborate on why Adobe recommends the usage of BinaryEncode() over toBase64(). We use tb64() as part of our data transmission algorithm, and a performance gain is always appreciated.<br /><br />Thanks,<br /><br />Matt mattdrayer 0 0 2006-12-15T14:06:35