Codex customization
How to customize Codex Desktop beyond colors and fonts
A practical map of native Codex appearance controls, advanced desktop skins, safe previews and the limits of UI customization.
Read guide05Practical Codex theme guides
Design for the real workspace.
Clear answers for safer Codex customization, readable desktop themes, local media, version compatibility and recovery after app updates.
Local image backgrounds
A safer way to design an image background for Codex on Mac
Design and preview a Codex image background locally without uploading artwork, embedding remote resources or patching the application bundle.
Read guideReadability and contrast
How to fix an unreadable Codex dark theme
A contrast, typography and semantic-surface checklist for prompt bubbles, code blocks, sidebars and long Codex sessions.
Read guideUpdates and recovery
What to do when a Codex theme stops working after an update
A fail-closed recovery checklist for Codex theme compatibility, changed client builds and returning to native appearance.
Read guideTheme authoring
How to preview and export a Codex theme without editing CSS
Use adapter-supported media controls and representative UI scenes to create a private, inspectable Codex theme package in the browser.
Read guideSharing and compatibility
How to share a Codex theme with version compatibility and recovery
A safer handoff checklist for Codex theme packages: target builds, declared assets, compatibility status, limitations and native recovery.
Read guideInteractive backgrounds
How to make a Codex water-ripple or directional background
Create and preview a finite water ripple or an 8/16/32-frame directional WebP atlas for Codex and WorkBuddy, with static fallbacks and Reduced Motion support.
Read guide