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Ensure that your code meets quality standards

CodeFactor instantly performs Code Review with every GitHub Commit or PR. Zero setup time. Get actionable feedback within seconds. Customize rules, get refactoring tips and ignore irrelevant issues.


Bash, C, C#, C++, CoffeeScript, CSS, Dockerfile, Go, Groovy, Java, JS, Kotlin, Less, PHP, Python, Ruby, Scala, SCSS, Sugar SS, Swift, TypeScript and YAML.


Autofix certain reported issues on-demand or automatically.

For developers by developers.

Integrate in seconds. Toggle inspection for any branch on the fly. Get actionable refactoring tips. We use it ourselves.

Get the big picture. Identify HotSpots.

Track entire code base, raise visibility and understand code quality of the whole project. Dig into commits and the most problematic files.

Integrate into your workflow.

See actionable results within GitHub pull request. Comment or open a GitHub Issue directly from CodeFactor's Code Review page. Keep team updated via Slack integration.

Manage quality over time.

Be a part of a great team, seize the leaderboard.

Reporting inside PR via Checks feature.