Code Highlighter & Beautifier

Syntax highlight and beautify your code with multiple themes and language support

Select Language

Choose your programming language for syntax highlighting

Code Input

Paste your code here

Highlighted Output

Syntax highlighted code with colors

Paste code and click Highlight to see results

🌈 Supported Languages (23)

JavaScript
TypeScript
JSX (React)
TSX (React)
Python
Java
C
C++
C#
PHP
Ruby
Go
Rust
Swift
Kotlin
SQL
JSON
YAML
Markdown
Bash/Shell
CSS
SCSS
HTML/XML

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About Code Highlighter & Beautifier

Our Code Highlighter provides professional syntax highlighting for over 20 programming languages. Make your code more readable with color-coded syntax, perfect for documentation, blog posts, presentations, or code reviews.

Supported Languages

  • Web: JavaScript, TypeScript, HTML, CSS, SCSS
  • React: JSX, TSX
  • Backend: Python, Java, PHP, Ruby, Go
  • Systems: C, C++, Rust
  • Mobile: Swift, Kotlin
  • Database: SQL
  • Data: JSON, YAML
  • Shell: Bash, Shell scripts
  • Microsoft: C#
  • Documentation: Markdown

Features

  • Syntax highlighting for 20+ languages
  • Professional color scheme (Tomorrow Night)
  • Copy highlighted code to clipboard
  • Download code with proper file extension
  • Real-time preview
  • Clean, readable output

How to Use

  1. Select your programming language from the dropdown
  2. Paste your code in the input area
  3. Click "Highlight" to apply syntax highlighting
  4. View the beautifully highlighted code on the right
  5. Copy or download the result

Common Use Cases

  • Documentation: Add highlighted code to docs
  • Blog Posts: Make code examples readable
  • Presentations: Show code in slides
  • Code Reviews: Share formatted code
  • Tutorials: Create educational content
  • Social Media: Share code snippets

Why Syntax Highlighting?

Syntax highlighting improves code readability by using colors to differentiate between:

  • Keywords and reserved words
  • Variables and identifiers
  • Strings and literals
  • Comments
  • Functions and methods
  • Operators and punctuation

Color Scheme

We use the popular "Tomorrow Night" theme, which provides:

  • Dark background for reduced eye strain
  • High contrast for better readability
  • Carefully chosen colors for each syntax element
  • Professional appearance
  • Widely recognized in developer community

Tips for Best Results

  • Select the correct language for accurate highlighting
  • Ensure your code is properly formatted before pasting
  • Use for code snippets in documentation
  • Copy the highlighted HTML for use in websites
  • Download with proper file extension for easy identification

Technology

This tool uses Prism.js, a lightweight and extensible syntax highlighter trusted by thousands of developers worldwide. It provides accurate highlighting with minimal overhead.