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Synopsis: This amazing utility will convert, synchronize, sort, organize and remove duplicates from your bookmarks and more.
Transmute supports all of the major web browsers including Google Chrome, Mozilla Firefox, Internet Explorer, Opera, Apple Safari, Chromium, Flock and Konqueror!

Writes settings to: Application folder
How to extract: Download the ZIP package and extract to a folder of your choice. Launch Transmute.exe.
Stealth: Yes (No RegKeys)
Dependancies: .NET V2 or Higher
License: Freeware
System Requirements: WinXP / Vista / 7
Download: http://www.gettransmute.com/download/trialpay/

Added To TPFC by Lupo73: http://www.portablefreeware.com/?id=1564

I think is a good software, even if the free version has less features.