Here is a tool which will ease your DLC creation/edition needs: DDFF DLC Toolkit!
Easy Character DLC generation: you can now create character DLCs easily without meddling with hex values, just select the character, slots, models and portraits and that's it! DLC Attachments: you can create new attachments from scratch with ease and link them to your existing DLCs! Easy BGM DLC generation: you can now create BGM DLC packs from scratch or from an existing source! Swapping DLC slots: you can swap existing DLCs slots to fit your needs! EX-Mode Aura/.exex edition: you can select the colors that you want for your character's EX-Mode aura using a simple graphical interface! You can also customize all the EX-Mode auras that a character has! DLC Reporting: you can view your currently installed DLC data and export it in easy-to-handle Excel spreadsheets or text files! This tool is useful to keep track of your installed DLC or for checking DLC incompatibility issues. And more features to come! Requirements
Windows (it should also work on virtual machines in Linux and/or Mac which meet the rest of requirements). Tested on Windows 7 and 8. .NET Framework 4.0: http://www.microsoft.com/download/details.aspx?id=17851 Tutorials
How to use the tool Bug reporting and known bugs Downloads
I'll host all the releases in my Github account; just go to the GitHub's release page and download the "ddff_dlc_toolkit" .zip file.
Version 1.1.2 (2/14/2016):
2/14/2016 - Version 1.1.2 General: Support for high DPI screens BGM Generation Tab: Removed 36 characters limitation in song names. Now the user will be notified that exceeding that size may not render the name properly in-game. Thanks to convalise for the suggestion! Fixed bug that generated wrong names for songs with hex numbers that contained uppercase letters. Thanks to Lugia2009 & convalise for the bug report! Source code
You can get the tool's source code from its Github page. Feel free to submit bugs or pull requests there if you want to