IDE extension. SonarLint. More than a linter
an advanced linter in your IDE for Clean Code
Up your coding game and discover issues early. SonarLint takes linting to another level empowering you to find & fix issues in real time.
an essential linting tool for every developer
real-time feedback
Your IDE is the best place to catch and fix coding issues. Like a spell checker, SonarLint squiggles coding issues and enables you to code better by performing on-the-fly analysis to detect common mistakes, tricky bugs, and hotspots.

fix issues quickly
Addressing coding issues is easy when you have help at the place you need it. SonarLint provides contextual assistance on how to fix the issue, why it's a problem, and its implications, plus detailed rule descriptions and examples.

become a better developer
SonarLint helps developers of all skill levels make better coding decisions. Your mistakes are only visible to you so you can get the knowledge & guidance needed to fix coding issues, uncover best practices, and learn along the way.

your IDE and programming language.
covered.
SonarLint is a free IDE plugin available to install from your IDE marketplace.
your IDE companion for Clean Code
SonarLint easily integrates into your existing IDE workflow and helps you to commit with confidence.
Explore Features -->5000+ rules covering wide range of issues
Powerful language-specific analysis detects bugs, code smells, vulnerabilities plus hotspots and supports latest language standards. The large ruleset spans all attributes that contribute to the quality of code—reliability, maintainability, readability, security, and more.
real-time analysis, guidance, and quick fixes
On-the-fly analysis provides instant feedback as you code. More than just a linter, SonarLint highlights coding flaws and explains why the issue is harmful and how to fix it. "Quick fixes" intelligently suggest solutions adapted to your specific code so you can automatically repair flagged issues in real-time.
unified team rules and analysis settings
Get coverage at every stage in your dev cycle—IDE to CI/CD and back, ensuring code fit for development and production. So much more than a linter, when 'connected' with SonarQube or SonarCloud, rules, and analysis settings are synchronized to SonarLint, aligning teams around a single standard of Clean Code.