CSUK:Bytes
Free interactive Computer Science tools, mini-games, and seasonal coding challenges — designed to spark curiosity, creativity, and classroom engagement.
Seasonal Coding Challenges
Bytes is home to our popular Advent and Easter Python Coding Challenges — immersive seasonal events that combine creativity, problem-solving and festive fun.
Interactive CS Tools & Mini Games
Quick, engaging tools that reinforce key Computer Science concepts — perfect for lesson starters, homework, or enrichment.
- Binary Pixel Painter (4-bit colour grid creator)
- Decimal–Binary–Hex Conversion Practice Tool
- ASCII to Binary Word Challenge Game
- Instant feedback for self-paced learning
Designed for Engagement
CSUK:Bytes is built to inject energy into your classroom — whether you're introducing binary, reinforcing number systems, or motivating students through creative coding challenges.
- Perfect for lesson starters
- Great for homework and enrichment
- Encourages experimentation
- Completely free to use
- New tools and challenges added regularly
A Growing Playground for Computer Science
Bytes is constantly expanding — with new tools, seasonal events, and creative coding experiences added throughout the year.

