Dark Theme
for Codeforces.
A simple, high-performance dark theme for Codeforces. Clean interface, improved focus, and easy to use.
Before vs After.
Compare the default Codeforces UI with our optimized dark theme. Zero eye strain, high contrast performance.
10 System Themes.
Click any module to preview full-size. Every theme is crafted for peak readability during contests.
Key Features.
A professional dark mode designed for focus. Simple, fast, and improved readability across all Codeforces pages.
Fast Display
Built with pure CSS to ensure near-zero performance overhead during contests.
High Contrast
Deep dark backgrounds optimized for eye comfort and visual clarity.
UI Precision
Every element is manually adjusted for perfect alignment and consistency.
Engine Support
Fully compatible with Stylus, Stylish, and major extension managers.
How to Install.
Choose your preferred method to install the Codeforces Dark theme. Available on the official store or as direct source code.
Chrome Store
Official store build. Includes automatic updates and verified performance.
Source Code
Developer source code. Fork the repository and build your own custom theme manually.