Syntax Highlighter

Highlight code syntax for various programming languages. Paste your code, select the language, and see it beautifully formatted with colored syntax tokens.

Click "Highlight Code" to see the result.

Why use this tool?

Syntax highlighting makes code easier to read and understand by coloring different elements like keywords, strings, comments, and functions.

  • Multiple languages — Support for JavaScript, Python, HTML, CSS, JSON, SQL, and more.
  • Instant highlighting — See your code highlighted immediately.
  • Easy to share — Copy highlighted code for documentation or presentations.
  • Privacy-focused — All processing happens in your browser. No data is stored or transmitted.
  • Fast and free — No sign-up, no limits, no ads.

How to use

  1. Select the programming language from the dropdown.
  2. Paste your code in the input field.
  3. Click Highlight Code to apply syntax highlighting.
  4. View the highlighted output below.
  5. Use Copy Original to copy the original code, or manually select and copy the highlighted version.

Frequently Asked Questions

Yes, completely free with no sign-up required.

The tool currently supports JavaScript, Python, HTML, CSS, JSON, and SQL. More languages may be added in the future.

This tool outputs HTML with styled spans. You can take a screenshot or use browser tools to export as needed.