HTML Entity Encoder
Encode and decode HTML entities
Last updated:HTML entity encoding replaces characters like <, >, &, and " with their entity references (<, >, &, ") to prevent XSS and rendering glitches when displaying user input. LlamaPDF encodes and decodes locally — paste any markup safely. Supports both named and numeric entity forms.
Your file stays on your device — never uploaded
How to encode or decode HTML entities
- 1
Paste your HTML or plain text into the input box above.
- 2
Select Encode to convert special characters (like <, >, &, and quotes) into their HTML entity equivalents, or Decode to convert entities back into readable characters.
- 3
Your result appears immediately. Copy the encoded or decoded text to your clipboard. All processing happens locally in your browser.
Why use our HTML encoder?
Displaying raw special characters inside HTML can break page rendering or create security vulnerabilities like cross-site scripting (XSS). Encoding characters such as angle brackets, ampersands, and quotation marks into their HTML entity forms ensures your content renders correctly and safely in any web page or application. This is essential for developers embedding user-generated content, writing technical documentation that includes code samples, or preparing content for CMS platforms.
The tool runs entirely in your browser with no data transmitted externally. For URL-specific encoding, use our URL encoder tool. If you need to convert HTML content into a shareable document, the HTML to PDF converter can help. You can also use the text comparison tool to verify encoded output against the original.