Choose the frame structure for the shell. These previews are hard-rendered so each option has a different crown and hardware layout.
Custom shell skins are free for everyone right now. Premium skins will come later, but every theme below is available today at no charge.
Helps WebToolChest optimize tool layouts for your screen. Auto-detected on first load.
Manage the saved values Cygnus Engine reuses across tools — base domain, site name, author, publisher, robots defaults, and ZIP naming preferences.
All values are stored locally in your browser. Useful when you want to correct a saved value before using bulk ZIP workflows again.