Overview
SnapGoban is a Chrome extension specialized for viewing, editing, printing, and exporting Go
(Baduk/Weiqi) game records. It features full SGF support, powerful branching navigation, and beautiful
print & image output.
Key Features
- Full SGF Support: Load, edit, and save SGF files with full branching (variations)
- Beautiful Board: Realistic stones with wood grain texture (monochrome mode included)
- Branch Navigation: Ghost stones and A/B/C buttons to view and switch between variations
- Printing: Professional-quality kifu printing with customizable headers/footers, whole game or figure
splits
- Image Export: PNG / SVG / GIF, partial board cropping, clipboard copy, auto-generated legend
- Review Mode: Freely place stones or step back to review positions
- Multilingual: Japanese, English, and Chinese (Simplified)
Basic Operations
Board Operations
- Place stones: Left-click for black, right-click for white. Click an existing stone to remove it
- Input moves: Left-click to place a numbered move. The move number advances automatically
- Navigate moves:
- Mouse wheel or arrow keys (← / →) to step through moves
- Right-click to undo the last move (in normal mode)
- Pass: Click the "✋" button in the toolbar to pass
Toolbar & Modes
- New: Clear the board and start a new game (Alt+N)
- Open: Load an SGF file from your computer (Ctrl+O)
- Save: Save the current game as an SGF file
- Save As: Save with a new filename (Ctrl+S)
- Print: Open print settings (Ctrl+P)
- Export: Export as image (Ctrl+F to copy)
Keyboard Shortcuts
- ← / → — Step back / forward one move
- Ctrl + Z — Undo (remove last move)
- Ctrl + Y — Redo (advance one move)
- Ctrl + S — Save SGF
- Ctrl + O — Open SGF
- Ctrl + F — Copy image (selected area or whole board)
- Ctrl + B — Copy SGF text to clipboard
- Ctrl + V — Paste SGF from clipboard
- Ctrl + P — Print dialog
- Alt + N — New game (clear board)
- Delete — Delete current node
- Escape — Cancel (exit selection mode or help)
Loading & Saving SGF
Loading (Open)
- Load SGF files from your computer
- Drag & drop files or paste SGF text are also supported
- All branching structures in the SGF are parsed and navigable
Saving (Save)
- Saves the entire game tree (all branches, comments, metadata) in SGF format
- Use Ctrl+C to copy SGF text to clipboard without creating a file
Printing
Access via Ctrl+P or the "Print" toolbar button.
Settings
- Paper Size: A4, B5, etc.
- Figure Split: Whole game or split by moves (50, 100, etc.)
- Header / Footer: Customizable text with variables:
- %BLACK% — Black player name
- %WHITE% — White player name
- %DATE% — Game date
- %RESULT% — Result
- %NUM% — Current move number
- Advanced: Layout adjustments, font size, etc.
Image Export
Full Board Export
Click "Export" or press Ctrl+F to copy or download the entire board as an image.
Partial Board Export
1. Drag on the board to select an area (blue frame appears)
2. Press Ctrl+F to copy just that area
3. Leave 5 Moves: Option to show only the last 5 move numbers
Formats
- PNG — Standard image format
- SVG — Vector format, ideal for DTP and print (no quality loss when scaled)
- GIF — Animated format, export move sequences as animated GIF
