AI Code Comment Generator
Auto-generate clear comments for your code instantly
Your Code
Commented Code
Your commented code will appear here
Paste code and click "Generate Comments"
When to Use Code Comment Generator
Legacy Code
Add documentation to undocumented legacy code to improve understanding and maintainability.
Team Collaboration
Ensure consistent documentation across team projects for better code sharing and understanding.
Learning & Education
Help students and learners understand code by adding explanatory comments to examples.
Code Reviews
Prepare code for review by adding clear documentation that explains intent and functionality.
API Documentation
Generate proper docstrings for APIs and libraries to create comprehensive documentation.
Time Savings
Automate the tedious task of writing comments to focus on actual development work.
Frequently Asked Questions
What is a code comment generator?
A code comment generator is an AI-powered tool that automatically analyzes source code and generates appropriate comments and documentation. It understands the code's logic, purpose, and structure, then creates clear, professional comments that explain what the code does, how it works, and any important details. This saves developers time and ensures consistent documentation across projects, making code more readable and maintainable for current and future team members.
How does the AI comment generator work?
Simply paste your code (10-3,000 characters) into the input field. Select the programming language (or let AI auto-detect it) and choose your preferred comment style: Detailed (comprehensive explanations), Concise (brief, essential comments), or Docstring/JSDoc (formal documentation format). Click "Generate Comments" and our AI analyzes the code structure, logic, functions, and variables, then adds appropriate inline comments and function documentation using the correct syntax for your language.
Is this tool free to use?
Yes! Our AI code comment generator is completely free to use with unlimited generations. You can document as much code as you need without any subscription fees, hidden costs, or usage restrictions. Simply create a free account to access the tool and start generating professional code comments immediately. All programming languages and comment styles are available to everyone at no cost.
What programming languages are supported?
The tool supports all major programming languages including JavaScript, Python, Java, C++, C#, PHP, Ruby, Go, TypeScript, Swift, and many more. If you're not sure which language your code is, select "Auto Detect" and the AI will identify it automatically. The AI adapts its commenting style to match the conventions of each language, using the appropriate comment syntax (// /* */ # """ etc.) and documentation standards.
What comment styles are available?
Three comment styles are available: Detailed (comprehensive comments explaining what the code does, how it works, and important details), Concise (brief, to-the-point comments focusing on essential functionality), and Docstring/JSDoc (formal documentation format with proper parameter, return value, and description annotations). Choose the style that best fits your project's documentation standards and team preferences.
Can I edit the generated comments?
Absolutely! The generated comments are meant to be a helpful starting point. You can and should review them, then edit or refine as needed to match your specific requirements and add any business logic context that only you know. Simply copy the commented code and paste it into your editor, where you can make any adjustments. The AI provides professional-quality comments, but your expertise adds the final polish.
How accurate are the generated comments?
The AI provides highly accurate comments by analyzing code structure, logic, and purpose. It typically achieves 90%+ accuracy for well-written, standard code. However, AI may not understand complex business logic, unusual patterns, or domain-specific context that you intended. Always review comments, especially for production code, to ensure they accurately reflect your intent and add any missing context about why certain decisions were made.
Is my code secure and confidential?
Yes, we take your privacy seriously. Your code is processed securely and is not stored permanently on our servers after generating comments. The AI analyzes your code in real-time, and the data is not used for training purposes or shared with third parties. However, as with any online tool, we recommend not submitting proprietary or highly confidential code. For sensitive projects, consider using code snippets or examples with sensitive details removed.
No comments yet. Be the first to share your thoughts!