Online Syntax Highlighter
Beautify your code snippets with professional syntax highlighting.
Why use a Syntax Highlighter?
Raw code is hard to read. Give your snippets the professional touch they deserve. Our tool uses PrismJS to apply the beautiful "Tomorrow Night" theme, making your code stand out in emails, blogs, and documentation.
Supported Languages
How It Works
The Online Syntax Highlighter runs entirely in your browser using JavaScript. Unlike other tools that send your data to a server, we process everything locally on your device. This guarantees 100% privacy and blazing fast speed.
- No server interaction – data never leaves your device
- Instant results since there is no network latency
- Works offline once the page is loaded
- Free to use with no usage limits
How to Use
Paste Code
Enter your raw code snippet.
Select Language
Choose the programming language for correct coloring.
View & Copy
See the highlighted result. Useful for screenshots or presentations.
Frequently Asked Questions
Can I export as image?
What theme is this?
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The Online Syntax Highlighter is maintained by CodeItBro. We aim to provide the best free developer tools on the web. If you have feedback or suggestions, please visit our contact page.