Catchess.org - Free Chess analyzer icon

Catchess.org - Free Chess analyzer

by https://catchess.org · catchess.org · Games
Manifest V3 Free
View in Chrome Web Store Data as of 12 Nov 2026

Analyze your Chess.com games instantly without ads or paywalls on Catchess. One click to deep analysis.

Users
26
0 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
4
0 in 30 days
Store rank
#131K
#116K among extensions
Version
1.6
updated 21 Jul 2026

Users

monthly, 5 months
01632Jun 2026Sep 2026Nov 2026
Latest, 12 Nov 2026: 26 usersMove the mouse over the chart for any month

Ratings count

monthly, 5 months
024Jun 2026Sep 2026Nov 2026
Latest, 12 Nov 2026: 4 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Catchess.org - Free Chess analyzer

Free Chess Analyzer Catchess: Instant Stockfish and Maia Analysis from Chess.com Tired of manually copying PGN files just to analyze your games? This extension does it in one click. After any game on Chess.com, click the extension icon (or use the floating button that appears automatically on game pages) and choose your analysis depth. The game is sent straight to Catchess.org where Stockfish breaks it down move by move, no copy-paste, no friction. ━━━━━━━━━━━━━━━━━━━━━━━ 🚀 HOW IT WORKS ━━━━━━━━━━━━━━━━━━━━━━━ 1. Finish or open any game on Chess.com 2. Click the Catchess icon in your browser toolbar 3. Choose your analysis profile: Fast, Balanced, or Maximum Precision 4. Your game opens instantly on Catchess.org with full Stockfish analysis ━━━━━━━━━━━━━━━━━━━━━━━ ✨ KEY FEATURES ━━━━━━━━━━━━━━━━━━━━━━━ • One-click import no copy-paste needed • Floating in-page button appears automatically on Chess.com game pages • Three analysis profiles: Fast ⚡ · Balanced ⚖️ · Maximum Precision 🎯 • Works on live games, daily games, and analysis boards • Clean, minimal UI gets out of your way • Multilingual: English, Portuguese, Spanish, French, German ━━━━━━━━━━━━━━━━━━━━━━━ 🌍 SUPPORTED LANGUAGES ━━━━━━━━━━━━━━━━━━━━━━━ English · Português · Español · Français · Deutsch ━━━━━━━━━━━━━━━━━━━━━━━ 🔒 PRIVACY ━━━━━━━━━━━━━━━━━━━━━━━ This extension only reads PGN data from the Chess.com page you are actively viewing. It does not collect, store, or transmit any personal data. No account required. ━━━━━━━━━━━━━━━━━━━━━━━ 🌐 ABOUT CATCHESS ━━━━━━━━━━━━━━━━━━━━━━━ Catchess (catchess.org) is a free chess analysis platform powered by Stockfishand Maia. Study your mistakes, find brilliant moves, and improve your game all in your browser. Stop reviewing your games the hard way. Install Chess Analyzer for Catchess and go from game to analysis in seconds.

Growth

WindowUsersChangeRatingsRating
7 days+5+23.8%00.00
30 days0+0.0%00.00

Version history

5 versions recorded
1.621 Jul 2026
1.513 Jul 2026
1.428 Jun 2026
1.327 Jun 2026
1.225 Jun 2026

Details

Category
Games
First seen
25 Jun 2026
Size
499 KB
Languages
en
Pricing
Free
Support
catchess.org
Extension ID
lmajhhldjjeljdaffinfhildknphphbd

Permissions and risk

Moderate riskimpact 2, likelihood 2
Permissions
activeTabscripting
Site access
*://*.chess.com/*

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