HTML Escape Tool for Config Files

About This Tool

Configuration files are at the heart of modern software development — from package.json and tsconfig.json to VS Code settings and cloud infrastructure templates. This HTML Escape Tool for Config Files is tailored for processing HTML configuration files with the precision and care they require. Configuration files often contain comments (in formats that support them), version-specific settings, and carefully structured hierarchies that must be preserved during formatting. The tool processes these files while maintaining all data integrity, ensuring that indentation reveals the logical structure of configuration sections, nested settings, and conditional values. Whether you are cleaning up auto-generated configuration, merging settings from multiple sources, or preparing config files for documentation, this tool handles the task reliably.

What is HTML Escape Tool?

An HTML escape tool converts special characters into their HTML entity equivalents to prevent them from being interpreted as HTML markup. The five critical characters are: & (ampersand) → &amp;, < (less than) → &lt;, > (greater than) → &gt;, " (double quote) → &quot;, and ' (single quote) → &#39;. Escaping is essential for security (preventing XSS attacks), displaying code in HTML documents, and ensuring special characters render correctly in web pages. The reverse operation (unescaping) converts entities back to their original characters. This tool supports both directions, making it useful for both encoding content for web display and decoding HTML entities for processing.

How to Use This Tool

1. Paste your text.
2. Click Escape HTML to convert special characters to entities.
3. Click Unescape HTML to convert entities back to characters.
4. Copy the result.

Common Use Cases

• Formatting package.json for readability
• Cleaning up tsconfig.json and eslint configs
• Processing VS Code settings.json files
• Normalizing docker compose JSON overrides

Explore More Variations