CodexSkin - Preview and install Codex themes safely

CodexSkin is an unofficial, open-source companion for previewing and customizing Codex Desktop themes. It lets users compare full theme previews in the browser, keep wallpaper previews local, and follow reversible installation workflows on macOS and Windows. The project is designed around safe experimentation: users can inspect what a theme changes before applying it, restore previous settings without modifying app binaries, and avoid guessing at configuration edits. CodexSkin supports community themes, provides clear visual previews, and makes the customization process more transparent for developers and desktop users. It is independent from OpenAI and does not provide AI features, so it fits developer tools, open-source projects, and productivity resources.