MascotsPreview ready
Pocket Robot Cat
A tiny blue co-pilot for ambitious builds.
Robot catBluePlayful
Menu
Free Codex themes
Codex themes for
your workspace.
Browse 17 downloadable packs and 53 clearly labeled concept directions. Start with personality, then download only what has passed pack and restore testing.
01 · Concepts
Character + tech
53 original mascot, brand-inspired, gaming, culture, and aesthetic directions.
Explore concepts →02 · CollectionDark themes
9 low-glare themes for late sessions and focused work.
Explore dark themes →03 · CollectionLight themes
8 bright, readable palettes with softer visual weight.
Explore light themes →04 · Creator guideYour own image
Copy a guided prompt into Codex, then let the CLI build and validate your local artwork.
Open the creator guide ↗Concept preview batch
More memorable than another gradient.
MascotsPreview ready
Capybara Café
Unbothered energy for long coding sessions.
CapybaraCozyCafé
MascotsPreview ready
Corgi Astronaut
Short legs. Interplanetary ambitions.
CorgiSpaceMission
MascotsPreview ready
Red Panda Hacker
Curious, quick, and terminal obsessed.
Red pandaTerminalRain
MascotsPreview ready
Axolotl Aquarium
A quiet underwater companion for deep work.
AxolotlAquariumBioluminescent
Brand conceptsPreview ready
SpaceX Launchpad Concept
A launch-night workspace for shipping ambitious systems.
SpaceXLaunchTelemetry
All free templates
Original by design.
Each template includes a coordinated palette, layout-aware focal point, compatibility notes, installation guidance, and a reversible workflow.
Theme, skin, or background?
Theme is the whole visual system.
A background is one image layer. A theme coordinates that image with colors, surfaces, code readability, installation behavior, and restoration.
Read the terminology guide →