Syntax Highlighter
Highlight source code for 20 languages. Output is HTML source you can embed in docs and blog posts. Processed entirely in your browser.
Input
Source code
Output
Highlighted HTML
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20 languages supported. The output is HTML source — not rendered in the page.
FAQ
- Which languages are supported?
- Rust, Python, JavaScript, TypeScript, JSX, TSX, JSON, HTML, CSS, SQL, Bash, Go, Java, C, C++, Ruby, PHP, YAML, TOML, and Markdown.
- Can I preview the highlighted output?
- The tool outputs HTML source code that you can copy or download for embedding in documentation and blog posts. Rendering user-generated HTML directly in the page is a security risk.
- Is my code uploaded anywhere?
- No. All highlighting happens locally in your browser in your browser.