HTML ENTITY CONVERTER
Encode & decode HTML entities instantly
Everything runs locally in your browser. Your data never leaves your device - no uploads, no servers, no data transmission.
All processing happens directly on your machine using JavaScript. Close the tab and all input data is gone.
HTML Entity reference
Conversion analytics
How to use HTML entity converter
Encode and decode HTML entities in 3 simple steps
Full Documentation DocsEnter text
Type or paste text with special characters
Choose mode
Encode to entities or decode to text
Copy result
One-click copy to use in your code
Why use this entity converter?
Named, numeric, and hex entities with searchable reference
Named & numeric entities
Convert to named entities like or numeric entities like   with full control.
Category filtering
Browse 100+ HTML entities organized in 6 categories: common, math, currency, arrows, and symbols with visual preview.
Swap functionality
Instantly reverse input/output and switch conversion direction. Transform encode→decode result back to original with one click.
Unicode support
Perfect for encoding Unicode characters, emoji, and special symbols from all languages.
Entity reference
Built-in searchable database of all HTML entities with character preview and names.
Export as HTML
Download your converted output as .html file with timestamp. Perfect for saving conversions and documentation.
Frequently Asked Questions
Everything you need to know about HTML entity conversion
What are HTML entities?
HTML entities are special codes that represent characters that have special meaning in HTML or cannot be typed directly. They start with & and end with ; like < for < or & for &.
When should I use HTML entities?
Use HTML entities when you need to display special characters like <, >, &, quotes, or non-breaking spaces in HTML. Also useful for displaying Unicode characters and emoji consistently.
What's the difference between named and numeric entities?
Named entities use descriptive names like or ©, while numeric entities use character codes like or ©. Named entities are more readable but numeric entities support all Unicode characters.
Does this tool support Unicode and emoji?
Yes! The tool properly handles Unicode characters, emoji, and special symbols from all languages, converting them to numeric HTML entities.
Is my text data stored anywhere?
No. All processing happens locally in your browser. Your text never leaves your device and no data is stored on any server.
Can I search for specific HTML entities?
Yes! The built-in entity reference allows you to search by character, name, or category. Find any HTML entity instantly with visual preview.
Does it work on mobile devices?
The tool is fully responsive and optimized for mobile devices, tablets, and desktops.
Technical Details
How this HTML entity encoder decoder processes your content
W3C Entity Reference
This html entity converter online tool encodes and decodes over 100 named HTML entities organized in 5 categories: common, math, currency, arrows, and symbols. Supports numeric character references (&#decimal; and &#xhex;) for any Unicode code point. Handles multi-byte UTF-8 characters and surrogate pairs correctly.
Zero-Upload Privacy
All encoding and decoding runs entirely in your browser using client-side JavaScript. No HTML content is transmitted to any server - no uploads, no API calls, no third-party processing. Your markup stays in volatile memory. Close the tab and everything is gone.
Encoding Modes
Full encode converts all special characters to named entities. Minimal encode converts only the 5 XML-required characters (& < > " '). Entity reference table with search and one-click copy for quick access to any named entity.
Performance
Real-time conversion as you type with instant preview. No external libraries required - runs entirely on native browser APIs with zero render-blocking resources.
Entity Reference Search
Built-in searchable database of named HTML entities organized in 5 categories: common, math, currency, arrows, and symbols. Filter by category or search by character, code, or description. One-click copy for any entity code.
Export & File Support
Upload TXT, HTML, or XML files for bulk entity conversion. Download converted output as .txt or .html files with timestamps. One-click copy to clipboard. Swap button reverses conversion direction and exchanges input/output values.