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Install SonarLint in your IDE

SonarLint is a free IDE extension and is available directly from
your favourite IDE marketplace.

Fix issues before they exist

SonarLint is an IDE extension that helps you detect and fix quality issues as you write code.
Like a spell checker, SonarLint squiggles flaws so that they can be fixed before committing code.

Caution: this is highly addictive!

Thousands of automated Static Code Analysis rules, protecting
your app on multiple fronts.

Code Reliability

Catch tricky bugs to prevent undefined behaviour from impacting end-users.

Application Security

Fix vulnerabilities that compromise your app, and learn AppSec along the way with Security Hotspots.

Technical Debt

Make sure your codebase is clean and maintainable, to increase developer velocity!

Use it in your favorite IDE

Connected mode

Bring your team on board

Now that you are addicted - get the rest of your team hooked. SonarLint isn't just about your code, it's also an opportunity to bring your passion for quality code to the whole team.

Learn more


Discover how SonarLint helps you write better code.


See what’s coming in SonarLint.

Join Our Community

Visit the SonarSource Community to get help, report issues & share the good vibes!