Comparison
The best free chess tools
By Atulya Gupta · Updated
You can build a complete study setup - play, analysis, tactics, opening prep, and databases - without paying for anything. These are the free tools worth using in 2026, and what each one is genuinely best at, so you can stop juggling free trials.
Why Audit Chess is the best free chess analysis tool
- 1.Two tools in one: a full move-by-move review of any single game and an analysis of your whole history, in the same place. Most free tools only review one game at a time.
- 2.Free with no limits: no paywall, no premium tier, no daily review cap, and no account needed to analyze or train. Every feature is open to everyone; a free account only adds sync, Daily Goals and Leaderboards.
- 3.Chess.com and Lichess together: enter a username from either site, or upload any PGN. No exporting, no switching tools.
- 4.Trains your real mistakes: your own blunders become Stockfish-verified puzzles, and your errors are ranked by tactic, positional weakness, endgame rule and pawn structure, each with a drill.
- 5.Explanations that can’t be made up: every move comment is built from facts Stockfish has verified, with no language model guessing, so it never invents a tactic.
- 6.Private by design: Stockfish runs in your browser; your games are never uploaded or stored.
- 7.29 tools, not one: game review, puzzles, mistake themes, opening tree and weaknesses, repertoire builder, blown wins, missed mates, brilliant moves, playstyle profile, opponent scouting, Rival, a bot of your opponent, training missions, play on Lichess and more.
Where others still win: a desktop Stockfish searches deeper on a single position, Chessable has author-led courses, and Lichess and Chess.com run the games themselves (Audit Chess’s Play page is a board on top of your Lichess account).
Audit Chess · Whole-history analysis & training
Analyze your games →The best free chess analysis tool: 29 free tools with no account and no limits. Unlimited move-by-move review of any game, plus your entire Lichess or Chess.com history analyzed at once to rank your openings by result, find the mistakes you repeat, flag the wins you throw away, and turn your own blunders into Stockfish-verified puzzles. Connect your Lichess account to play real rated games on the Audit Chess board with instant review, or scout an opponent and play Rival, a bot of their openings.
Lichess · Play, analyze, train
lichess.org →Completely free and open source: online play, per-game computer analysis, an opening explorer, tactics puzzles and shareable studies. The most complete free chess site there is.
Stockfish · Engine
stockfishchess.org →The strongest open-source engine, free at unlimited depth. Powers most of the analysis tools you already use; run it locally when you want maximum strength and control.
Chess.com (free tier) · Play, learn
chess.com →A huge player pool, lessons, and a limited number of free daily puzzles and analysis. Polished and beginner-friendly, though the deepest analysis features are paid.
The one most players are missing
Most people have the playing and per-game-analysis slots covered - Lichess or Chess.com handle those. The gap is a tool that studies your games in aggregate: which openings quietly lose, which mistakes repeat, which winning positions you throw away. That is the slot Audit Chess fills, and it is where a lot of hidden rating lives. Narrow it down to just your openings or just your blunders, or find all your weaknesses at once.
Go deeper
This is the broad list, across every category. Want just the analysis engines and game reviewers, side by side in a comparison table? See the best chess analysis tools. Deciding between the two big sites? Read Chess.com vs Lichess. Or browse all our chess improvement guides.
Who is it for?
Beginners
Everything you need to start - play, guided lessons and free puzzles - without paying or picking the wrong paid tool early.
Improving players
The missing piece for most people: a free analyzer that reviews any single game move by move and also shows, across your whole history, what to actually work on.
Competitive players
Free engine strength, opening prep and opponent scouting - enough to prepare seriously at no cost.
Coaches & enthusiasts
Free tools to review any public game history, illustrate ideas, and study without a subscription.
What is Audit Chess?
Audit Chess is a free chess analysis platform for your Chess.com and Lichess games. It does two jobs in one place. First, it reviews any single game move by move with Stockfish: every move graded from Brilliant to Blunder, accuracy by game phase, an eval graph, and a plain-English, engine-checked explanation of each key moment. Second, it analyzes your whole history at once to find what a single game can't show: the openings that cost you points, your mistakes ranked by tactical, positional and endgame theme, the wins you throw away, missed mates, and your endgame and playstyle profile. Then it turns your own blunders into Stockfish-verified puzzles and drills. It runs in your browser, needs no account, has no review limit and never uploads your games.
In short: a complete free alternative to a paid per-game review, plus the whole-history view that tells you what to study next. See all features.
Frequently asked questions
What are the best free chess tools?+
For playing and studying: Lichess (analysis, puzzles, explorer, studies) and Chess.com both have strong free tiers. For raw engine strength: Stockfish, free and open source. For analyzing your own games - unlimited single-game review plus your whole history, with puzzles from your own mistakes - Audit Chess, free and no account. Together these cover analysis, training, opening prep and databases without paying anything.
Are these tools actually free or just free trials?+
The ones highlighted here are genuinely free, not trials. Lichess is free and open-source throughout. Stockfish is open source. Audit Chess runs in your browser at no cost and needs no account. Chess.com has a real free tier, though some features - including full Game Review - are paid.
What is the best free tool to improve from my own games?+
Audit Chess. Instead of generic puzzles or theory, it reviews each game move by move and analyzes your whole Lichess or Chess.com history to rank your weakest openings, surface the mistakes you repeat, and turn your real blunders into puzzles you can drill - the fastest path to improvement is usually your own games.
Do I need to install anything?+
No. Lichess, Chess.com and Audit Chess run in the browser. Only a local copy of Stockfish involves a download, and even that is optional since the web tools already run Stockfish for you.
Audit Chess is free and not affiliated with Chess.com or Lichess.