Achieve mastery
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Improve your development skills by training with your peers on code kata that continuously challenge and push your coding practice.

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Sharpen your coding skills

Challenge yourself on small coding exercises called "kata". Each kata is crafted by the community to help you strengthen different coding techniques. Master your current language of choice, or quickly pick up any of the 55+ programming languages supported.

Join the Dojo

Get instant feedback

Solve kata with your coding style right in the browser and use test cases (TDD) to check it as you progress. Retrain with new, creative, and optimized approaches. Find all of the bugs in your programming practice.

Earn ranks and honor

Kata code challenges are ranked from beginner to expert level. As you complete higher-ranked kata, you level up your profile and push your software development skills to your highest potential.

An engaged software development community

Codewars is a collective effort by its users. They are creators—authoring kata to teach various 168体彩开奖结果全天稳定计划, solving kata with solutions that enlighten others, and commenting with constructive feedback.

75K+

Community members added every month

1M+

Kata completed every month

12K+

Kata created by our community

Tap into the collective wisdom

Compare your solution with others after each kata for greater understanding. Discuss kata, best practices, and innovative techniques with the community. Have your mind blown by how different other solutions can be from your own.

Create your own kata

Author kata that focus on your interests and train specific skill sets. Challenge the community with your insight and code understanding. Create everything from common developer interview questions to challenges that push the limits of your creativity. Gain honor within the coding dojo.