Mahjong Tools
Free. No sign-up. Start practicing now.
Interactive tools to help you learn tiles, practice building hands, and improve your mahjong game—whether you're just starting out or sharpening your skills.
3
Tools Available
Free
No Sign-up
All
Skill Levels
Featured Tool
Hand Builder
NewIntermediatePractice building valid mahjong hands tile-by-tile. Select tiles, arrange them into groups, and instantly check if your hand matches patterns from the NMJL card. Perfect for learning hand recognition and testing strategies.
All Tools
Tile Flashcards
Learn to recognize all mahjong tiles with our interactive flashcard system. Quiz mode tests your knowledge, while study mode helps you learn at your own pace. Track your progress over time.
Set Finder Quiz
Answer a few quick questions about your playing style, budget, and preferences to get personalized mahjong set recommendations. We'll match you with sets that fit your needs.
Coming Soon
New tools we're building to help you play better
Know exactly which tiles to pass
Charleston Helper
Enter your 13 starting tiles and get instant recommendations on which to pass during the Charleston. Our algorithm analyzes your hand against all 1,000+ NMJL card patterns to find the tiles that don't fit—and the ones you absolutely must keep.
First standalone Charleston Helper on the web—free and designed for players 55+
Tile Counter
Track discarded tiles to improve your wall-reading and defensive play
New to Mahjong?
Start with our step-by-step learning guides. Learn the basics, understand the tiles, and build your skills from the ground up.
Have a Tool Idea?
We're always looking to build useful tools for the mahjong community. If you have an idea for a tool that would help players learn or practice, we'd love to hear it!
Contact us with your idea