SonarLint
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Install SonarLint in your IDE

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

Code Quality and Code Security starts in your IDE

SonarLint is a Free and Open Source IDE extension that identifies and helps you fix quality and security issues as you code. Like a spell checker, SonarLint squiggles flaws and provides real-time feedback and clear remediation guidance to deliver clean code from the get-go.

SonarLint is a Free and Open Source IDE extension that identifies and helps you fix quality and security issues as you code.

Fits right in your IDE of choice

Easy to use, no configuration needed — just install from your favorite IDE marketplace and continue to code while SonarLint does its job.

SonarLint Fits right in your IDE of choice

More than your average linting tool

Your current linting tools may come with overhead – specialized tools for languages or longer setup and config time. With SonarLint, you can settle on a single solution to address your Code Quality and Code Security issues. We have you covered with hundreds of unique, language-specific rules to catch Bugs, Code Smells, and Security Vulnerabilities right in the IDE, as you code.

SonarLint Fits right in your IDE of choice
  • Java
  • Javascript
  • TypeScript
  • Python
  • C++
  • C
  • C#
  • PHP
  • Ruby
  • HTML
  • VB
  • Kotlin

Clear Remediation Guidance

See issues in context with rule descriptions along with clear guidance and code examples on how to fix them.

View Issue Dataflow

Highlighting all the impacted locations in your codebase provides a clear view of issues to address.

Fast and Precise Analysis

On-the-fly, high-precision analysis means fewer false positives and consistent, reliable results.

SonarLint Fits right in your IDE of choice

Growth through your development journey

From dangerous regex patterns to non-compliant coding standards, SonarLint is your true confidante in delivering error-free code. With an intelligent tool by your side, your mistakes are only visible to you so you can understand them, quickly remediate them, and learn along the way.

We want to empower developers of all skill levels to be confident in the clean and safe code they deliver.

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

Features

Discover how SonarLint helps you write better code.

Roadmap

See what’s coming in SonarLint.

Join Our Community

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