Syntax Highlighter

Highlight code with colored syntax for any language. Get the visual preview and HTML source.

Code
Language

How to Use Syntax Highlighter?

  1. 1Paste your raw code or structured data (JSON, XML, SQL, HTML, etc.) into the editor.
  2. 2Select formatting settings, indentation style, or conversion options.
  3. 3Instantly copy the formatted, validated, or converted code to your clipboard or download it as a file.

Syntax Formatting

Auto-format, prettify, minify, and validate your code structures instantly.

Developer Friendly

Speed up your debugging and developer workflow with powerful utility tools.

Private & Safe

Keep your APIs, JSON payloads, and source code safe. No data is sent over the network.

Frequently Asked Questions

Is Syntax Highlighter free to use?▼
Yes, Syntax Highlighter is 100% free with no hidden charges, premium subscriptions, or limits. You can use it as much as you need.
How does the Syntax Highlighter tool work?▼
Highlight code with colored syntax for any language. Get the visual preview and HTML source. All operations are processed entirely inside your web browser using HTML5 features. Your files or input data are never uploaded to any server.
Is my data secure with Syntax Highlighter?▼
Absolutely. Since the processing runs client-side in your own browser, your data never leaves your device. This makes it completely secure and private.
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