Chess Notation, Analysis & Time Alerts

Highlights chess notation on your board, alerts you on low time, and offers free Lichess analysis.

Chess Notation Helper brings standard algebraic chess notation (SAN) to life directly on your board, no more switching back and forth between moves and notation. As you play on Chess.com or Lichess.org, this extension automatically: 1) Detects each move in real time 2) Highlights the destination square with a subtle overlay grid 3) Displays the SAN (e.g. Nf3, exd5, O-O) on that square, then fades out Handles castling, pawn promotions, captures and disambiguations seamlessly. New in v1.5: Audio Time Alerts – Get spoken countdown warnings at customizable thresholds (30s, 10s, 5s, 3s, 2s, 1s) so you never lose on time. Free Lichess Analysis – One-click export of your Chess.com games to Lichess for free computer analysis, with automatic board orientation. Because everything runs locally in your browser, no personal data is collected or transmitted. How it works: 1) Install and enable the extension 2) Navigate to any live game on Chess.com or Lichess.org When you (or your opponent) move a piece, watch the board highlight the landing square and show its notation, instant feedback that helps you learn SAN while you play. Open extension popup to pause, change highlight duration, enable audio alerts, or analyze on Lichess. Who it's for: Beginners mastering algebraic notation Players who want audio time warnings without premium subscriptions Anyone who wants free game analysis on Lichess Coaches & students reinforcing move-to-notation connections Install Chess Notation Helper today and level up your chess experience!