Free chess tools

Browser-based chess tools — free, no sign-up.

Rating converterChess.com ↔ Lichess ↔ FIDE. Look up your username or type a rating to see the whole comparison chart.Openings explorerPlay moves on the board and see the opening name, ECO code, and how masters continue.Daily chess puzzleSolve today's puzzle on the board, race the clock, climb the Hall of Fame.Elo calculatorExpected score, rating change, and performance rating from your results.FEN viewerPaste a FEN to see the board, side to move, castling, and material.Online chess clockTwo-player chess timer with blitz/rapid presets and increment.

Put it into practice.

Play a real, rated game in seconds — no sign-up, no download.

Play chess free →