chessviewer-org

chessviewer-org/chess-viewer

Free, no-signup chess diagram generator. Paste a FEN, customize the board, and export high-resolution PNG, JPEG, or SVG — runs entirely in your browser, privacy-first. Open source.

5 stars 7 forks 5 watchers TypeScript GNU Affero General Public License v3.0

canvas-rendering chess chess-diagram chess-tools chess-visualization fen-parser react-chess svg-export typescript web-development

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5 Open Issues Need Help Last updated: Jul 11, 2026

Open Issues Need Help

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[Bug]: Content pages polish — About at-a-glance mobile, Changelog tag sizes, NotFound alignment about 2 hours ago

help wanted area: ui scope: mobile Bug good first issue

chessviewer-org/chess-viewer

5

Free, no-signup chess diagram generator. Paste a FEN, customize the board, and export high-resolution PNG, JPEG, or SVG — runs entirely in your browser, privacy-first. Open source.

TypeScript

#canvas-rendering#chess#chess-diagram#chess-tools#chess-visualization#fen-parser#react-chess#svg-export#typescript#web-development

[Bug]: Account page mobile layout — buttons overflow and ID truncation missing about 2 hours ago

help wanted area: ui scope: mobile Bug good first issue

chessviewer-org/chess-viewer

5

Free, no-signup chess diagram generator. Paste a FEN, customize the board, and export high-resolution PNG, JPEG, or SVG — runs entirely in your browser, privacy-first. Open source.

TypeScript

#canvas-rendering#chess#chess-diagram#chess-tools#chess-visualization#fen-parser#react-chess#svg-export#typescript#web-development

[Feature]: Copy FEN button on Advanced FEN page inputs about 2 hours ago

enhancement help wanted area: fen status: on the roadmap status: discussing good first issue

chessviewer-org/chess-viewer

5

Free, no-signup chess diagram generator. Paste a FEN, customize the board, and export high-resolution PNG, JPEG, or SVG — runs entirely in your browser, privacy-first. Open source.

TypeScript

#canvas-rendering#chess#chess-diagram#chess-tools#chess-visualization#fen-parser#react-chess#svg-export#typescript#web-development

[Bug]: Unhandled promise rejection from void syncStorage.set in useBoardPieceSet about 2 hours ago

help wanted area: ui Bug good first issue

chessviewer-org/chess-viewer

5

Free, no-signup chess diagram generator. Paste a FEN, customize the board, and export high-resolution PNG, JPEG, or SVG — runs entirely in your browser, privacy-first. Open source.

TypeScript

#canvas-rendering#chess#chess-diagram#chess-tools#chess-visualization#fen-parser#react-chess#svg-export#typescript#web-development

[Bug]: Blob URL not revoked in all error paths in pieceImageCache about 2 hours ago

help wanted area: ui performance scope: mobile Bug good first issue

chessviewer-org/chess-viewer

5

Free, no-signup chess diagram generator. Paste a FEN, customize the board, and export high-resolution PNG, JPEG, or SVG — runs entirely in your browser, privacy-first. Open source.

TypeScript

#canvas-rendering#chess#chess-diagram#chess-tools#chess-visualization#fen-parser#react-chess#svg-export#typescript#web-development