Martial arts tools
All tools run locally in your browser.
Tai chi form trainer
Step-by-step timer for the 24-form tai chi and Ba Duan Jin.
Round timer
Interval timer for rounds and rest periods with sound signals.
Calorie calculator
Estimate calories for martial arts training by weight and duration.
Which martial art suits me?
A short quiz that matches your preferences to martial arts styles.
Belt order
See the order of belts in judo, Brazilian jiu-jitsu, aikido and more.
Weight class checker
Find your weight class in boxing, MMA, judo, taekwondo and wrestling.
Stroke order viewer
Animated, stroke-by-stroke order for Chinese characters and kanji.
I Ching hexagram lookup
Build a hexagram line by line or toss virtual coins.
See also
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