SquareSense – Chess Board Coordinate Overlay

Overlay chessboard coordinates (a1–h8) on Chess.com, Lichess, and other sites with manual board selection.

SquareSense is a lightweight visual tool that overlays chessboard coordinates (a1–h8) directly on chessboards, helping you understand positions and notation instantly. It is designed to improve board awareness, making it easier to follow moves, learn faster, and build confidence — especially for beginners and intermediate players. ✨ Features: • Clean and non-intrusive coordinate overlay (a1–h8) • Adjustable size, color, and transparency • Automatic board detection on Chess.com and Lichess • Manual board selection to support other chess websites • Lightweight and easy to use 🌐 Compatibility: • Works seamlessly on Chess.com and Lichess • Can be used on other chess sites using manual board selection 🎯 Best for: • Learning and memorizing chess notation • Solving puzzles and training • Game analysis and study • Studying openings and positions • Watching chess streams and following moves easily • Beginner streamers learning to read and speak chess notation clearly Whether you're new to chess or improving your skills, SquareSense helps you quickly identify squares and understand moves without confusion. ⚠️ Important: SquareSense is a visual-only tool. It does not use a chess engine, does not suggest moves, and does not automate gameplay. Some platforms may restrict browser extensions under their fair play policies. While this tool is purely visual, account safety cannot be guaranteed. 💡 Recommended usage: • Puzzles • Analysis boards • Play vs Computer • Watching chess streams or videos for learning