Highlight and format your code with professional syntax highlighting. Support for 30+ programming languages with multiple themes and copy functionality.
And many more programming languages including Swift, Kotlin, Dart, Scala, Perl, Lua, R, MATLAB, and VB.NET.
Instant syntax highlighting as you type with automatic language detection and theme switching.
Easily copy highlighted code to clipboard or download it as a file with proper extensions.
Works perfectly on all devices - desktop, tablet, and mobile with touch-friendly controls.
Toggle line numbers on and off for better code readability and reference.
All processing happens in your browser. Your code never leaves your device.
Powered by Prism.js for blazing fast syntax highlighting with no server delays.
Our syntax highlighter supports 30+ programming languages including JavaScript, Python, HTML, CSS, Java, C++, PHP, Ruby, Go, Rust, Swift, Kotlin, TypeScript, SQL, Bash, PowerShell, JSON, XML, YAML, Markdown, and many more.
Yes, our online syntax highlighter is completely free to use. No registration required, no hidden fees, and no limitations on usage.
Absolutely! You can easily copy the highlighted code to your clipboard using the 'Copy' button. You can also download the code as a file with the appropriate extension.
We offer 8 beautiful themes: Default, Tomorrow, Coy, Dark, Funky, Okaidia, Solarized Light, and Twilight. Each theme provides a unique visual experience for your code.
Yes, our syntax highlighter is fully responsive and works perfectly on mobile devices, tablets, and desktop computers with touch-friendly controls.
No, all code highlighting is done client-side in your browser. Your code never leaves your device and is not stored on our servers, ensuring complete privacy.