Free Online Remove Comments Tool
Strip out inline, block, and multiline comments from any code in a single click. This tool keeps the workflow simple: paste or upload on the left, supporting content below, and the sidebar on the left for popular and related tools.
Multi-language support
Clean JavaScript, CSS, HTML, Python, SQL, and many more languages.
Instant cleanup
Remove single-line, block, and multiline comments without manual editing.
Formatting preserved
Your indentation and structure stay intact, so the code remains readable.
Private by design
Everything runs in your browser, so your code never leaves your device.
How it works
- Paste your code into the input on the left, or click Upload Code File.
- Click Remove Comments to process your code instantly.
- Review the clean, comment-free code in the result panel.
- Click Copy Code to grab it, or Download Code to save a text file.
- Hit Reset to clear everything and start with new code.
Best practices
- Keep a backup of your original commented code for reference.
- Remove comments before shipping to trim file size for production.
- Review the output to confirm no needed code was stripped.
- Use clear comments while coding, then clean them for release.
- Combine this with a minifier for the smallest final files.
- Split very large files for faster, more reliable processing.
Frequently asked questions
What types of comments can this tool remove?
This tool removes single-line comments (like // comment), multi-line block comments (/* comment */), HTML comments (<!-- comment -->), Python triple-quote comments, hash comments, and SQL-style -- comments.
Is there a limit to the code size I can process?
The tool handles reasonably large code snippets typical for web and software projects. For extremely large files, consider splitting the code or using a desktop tool.
Does the tool modify my original code formatting?
No. The tool only removes comments. It preserves your original indentation and formatting so your code stays readable.
Is my code uploaded or saved anywhere?
No. All processing happens locally in your browser, so your code stays private and secure.
Can this tool remove comments from other programming languages?
Yes. While it is optimized for web languages like JavaScript, CSS, and HTML, it also handles comments in many other languages that use similar syntax.
Can I use this tool on mobile devices?
Yes. The tool is fully responsive and works smoothly on phones, tablets, and desktops.
Is there any registration or cost involved?
No registration is required, and the tool is completely free to use with no ads or watermarks.
How do I save the cleaned code?
After removing comments, you can copy the code to your clipboard or download it as a text file directly from the result panel.
Need more developer tools? Check your server-side scripts with the PHP Code Checker tool, or run your code with the Online JavaScript Compiler tool.