What does CodexTheme Tools do?
CodexTheme Tools is a free, unofficial theme builder for the Codex Desktop app. Pick any image and the builder derives a color theme in your browser, without uploading the image. You can preview the theme across five workspace views, check text readability before exporting, and download data-only theme files. There is no sign-up. The site also has a library of ready-made themes and troubleshooting answers for when a theme does not apply as expected.
Who should use CodexTheme Tools?
Developers are the clearest fit based on how the product is positioned.
Best fit
Pricing: Free
Platforms: Web
How much does CodexTheme Tools cost?
Free Check the provider’s own page for the latest pricing, packages and terms.
Details, pricing and availability can change. We use provider information, verified owner updates and editorial review where available. Check the provider’s own page before making a purchase, booking or important decision.
Profile last updated 20 Oct 2026.
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