I'm wondering how I can modify the Tor Browser's default homepage to add/subtract HTML/JS/CSS. Is there a file somewhere I can edit to change this page?
The source files for
about:tor homepage are packed inside the Torbutton addon.
If you really need to modify the
about:tor page, unpack
email@example.com file in
Data/Browser/profile.default/extensions directory and look for the
Some helpful pointers:
Mozilla knowledgebase: Editing an add-on to change its compatibility (steps 3,4,5,6 are to be replaced by your edits)
Check the page source online: aboutTor.xhtml in Torbutton repository.
Please note that Torbutton serves as a bridge between Tor network and Tor Browser. Modifying it may compromise your security.