Syntax Highlighter

Beautify your code with professional syntax highlighting for multiple languages.

0 chars

Drop your code files here

Accepts most text files

Professional Code Highlighting Online

Our Syntax Highlighter tool uses the industry-standard Prism.js library to provide high-quality, professional code formatting and beautification. Whether you're a developer sharing snippets on a blog or documenting your project, our tool makes your code readable and beautiful.

50+ Languages

Supports everything from JavaScript and Python to Rust, Go, and SQL with precise syntax rules.

Multiple Themes

Choose from popular themes like Monokai, Tomorrow Night, and Solarized to match your style.

Blazing Fast

Instant local processing in your browser. No data ever leaves your computer for maximum privacy.

How to use the Syntax Highlighter?

  • 1
    Paste or Upload: Enter your source code into the editor or drag and drop a file.
  • 2
    Select Language: Choose the programming language from the dropdown menu.
  • 3
    Customize: Pick a theme and decide if you want line numbers or HTML output.
  • 4
    Highlight: Click the "Highlight Code" button to see the magic happen instantly.