Theme Builder and themes
Build a Codex Desktop theme from any image, or start from one of the 24 ready-made themes.
Original themes and pets
Original studio wallpaper bundles, recipes and complete v2 pets are free downloads, with no sign-in.
Community, pets and guides
Community themes, wallpapers and pets, the pet manager, and the install and restore guides.
Community · Pets · Install · Restore
More builders and tools
OpenCode and Qwen Code theme builders, the Codex reset tracker and ChatGPT prices by country.
OpenCode theme · Qwen Code theme · Codex reset tracker · ChatGPT prices
Sign-in and your images
Google sign-in is optional. Images you use in the Builder stay in your browser and are never uploaded.
Paid before?
Payments were removed on October 15, 2026. Questions about an earlier charge: email hello@codextheme.tools. See the refund policy.