What are HTML entities and why do I need them?

HTML entities are codes used to display special characters in HTML that have special meaning or cannot be directly typed. They prevent parsing errors and ensure proper display of characters like , &, quotes, and symbols like ©, ®, €.

How do I encode text to HTML entities?

Paste your text into the input field, select 'Encode to HTML Entities', choose your encoding type (HTML, XML, numeric, or named), and click the encode button. The tool will convert special characters to their HTML entity equivalents.

How do I decode HTML entities back to text?

Paste your HTML entity text into the input field, select 'Decode HTML Entities', and click the decode button. The tool will convert all HTML entities back to their original characters.

What types of HTML entities are supported?

The converter supports named entities (&, <, >), numeric entities (A for 'A'), hex entities (A for 'A'), and custom entities. You can define your own custom entities for specialized use cases.

Is the HTML entity converter free to use?

Yes, our HTML entity encoder/decoder is completely free to use with no registration required. All processing happens in your browser for complete privacy and security.

Why would I need to encode HTML entities?

HTML entity encoding is essential for web security (preventing XSS attacks), displaying special characters correctly in HTML, handling user input safely, and ensuring proper rendering across different browsers and systems.

What are HTML entities and why do I need them?

HTML entities are special codes used to display characters that have special meaning in HTML (like , &, quotes) or cannot be directly typed (like ©, ®, €). They prevent parsing errors, ensure proper character display, and protect against XSS attacks by safely handling user input.

How do I encode text to HTML entities?

Paste your text into the input field, select "Encode to HTML Entities", choose your encoding type (HTML, XML, numeric, or named), and click the encode button. The tool will convert special characters to their HTML entity equivalents (e.g., & becomes &).

How do I decode HTML entities back to text?

Paste your HTML entity text into the input field, select "Decode HTML Entities", and click the decode button. The tool will convert all HTML entities back to their original characters, supporting named (&), numeric (&), and hex (&) formats.

What types of HTML entities are supported?

Our tool supports all HTML5 entities (2,000+) including: named entities (&, <, >, ©), numeric entities (&), hex entities (&), and custom entities you define. It handles symbols, mathematical operators, currency symbols, and special characters from various languages.

Why would I need to encode HTML entities?

HTML entity encoding is essential for: 1) Web security - preventing XSS attacks by sanitizing user input, 2) Correct display - ensuring special characters render properly across browsers, 3) Data integrity - preserving special characters in HTML content, 4) Cross-platform compatibility - ensuring content works everywhere.

Can I define custom HTML entities?

Yes! Use the Custom Entities field to define your own mappings. Enter one per line in format: character=entity (e.g., @=at or #=hash). This is useful for specialized characters or domain-specific abbreviations that you frequently use.

What is the difference between encoding types?

HTML entities use named references (&), XML uses strict XML entities, numeric uses decimal codes (&), and named uses only named entities. HTML is most common, numeric works universally, XML is stricter, and named is most readable. Choose based on your use case and compatibility requirements.

Is my data safe when using this tool?

Absolutely! All encoding and decoding happens entirely in your browser using client-side JavaScript. No text is sent to servers, uploaded, or stored. This ensures complete privacy for sensitive data, proprietary code, or confidential content.

HTML Entity Encoder/Decoder Online | Free HTML Entity Converter

Conversion Options

Text Input

0 characters

Encoded Output

Why Use Our HTML Entity Converter?

✓Bidirectional Conversion: Encode special characters to HTML entities or decode entities back to text
✓Multiple Encoding Types: Support for named, numeric, hex, and XML entities
✓Custom Entities: Define your own custom entity mappings for specialized use cases
✓Advanced Options: Control which characters to encode and formatting preservation
✓Security Features: Prevent XSS attacks and handle user input safely
✓File Support: Upload and download text files for batch processing
✓Real-time Validation: Immediate feedback and error detection
✓Privacy & Security: All processing happens in your browser

Common Use Cases

Web Development & Security

Encode user input to prevent XSS attacks and ensure special characters display correctly in HTML content.

Content Management

Handle special characters in CMS content, blog posts, and documentation to ensure proper rendering.

Email Templates

Encode special characters in HTML email templates to ensure compatibility across different email clients.

API Development

Process and sanitize text data in APIs, ensuring safe handling of special characters and user input.

HTML Entity Encoding Examples

Web Security

Encode user input to prevent XSS attacks: <script>alert('xss')</script> becomes <script>alert('xss')</script>

Content Display

Display special characters correctly: Price: $25 & tax = $30 becomes Price: $25 & tax = $30

Advanced Features

Multiple Encoding Types

Choose between HTML entities (&), XML entities (&), numeric entities (&), or named entities for different use cases.

Custom Entity Definitions

Define your own custom entity mappings for specialized characters or domain-specific requirements.

Selective Encoding

Control which characters to encode - include or exclude spaces, newlines, and other characters as needed.

Format Preservation

Maintain original formatting and structure while encoding special characters for proper display.

Security Validation

Built-in validation and error detection to ensure proper encoding and prevent security vulnerabilities.

Batch Processing

Upload and download text files for batch processing of large amounts of content efficiently.

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Why Use Our HTML Entity Converter?

✓Bidirectional Conversion: Encode special characters to HTML entities or decode entities back to text

✓Multiple Encoding Types: Support for named, numeric, hex, and XML entities

✓Custom Entities: Define your own custom entity mappings for specialized use cases

✓Advanced Options: Control which characters to encode and formatting preservation

✓Security Features: Prevent XSS attacks and handle user input safely

✓File Support: Upload and download text files for batch processing

✓Real-time Validation: Immediate feedback and error detection

✓Privacy & Security: All processing happens in your browser

Common Use Cases

Web Development & Security

Encode user input to prevent XSS attacks and ensure special characters display correctly in HTML content.

Content Management

Handle special characters in CMS content, blog posts, and documentation to ensure proper rendering.

Email Templates

Encode special characters in HTML email templates to ensure compatibility across different email clients.

API Development

Process and sanitize text data in APIs, ensuring safe handling of special characters and user input.

Advanced Features

Multiple Encoding Types

Choose between HTML entities (&), XML entities (&), numeric entities (&), or named entities for different use cases.

Custom Entity Definitions

Define your own custom entity mappings for specialized characters or domain-specific requirements.

Selective Encoding

Control which characters to encode - include or exclude spaces, newlines, and other characters as needed.

Format Preservation

Maintain original formatting and structure while encoding special characters for proper display.

Security Validation

Built-in validation and error detection to ensure proper encoding and prevent security vulnerabilities.

Batch Processing

Upload and download text files for batch processing of large amounts of content efficiently.

Conversion Options

Text Input

Encoded Output

Popular Use Cases

Why Use Our HTML Entity Converter?

Common Use Cases

Web Development & Security

Content Management

Email Templates

API Development

HTML Entity Encoding Examples

Web Security

Content Display

Advanced Features

Multiple Encoding Types

Custom Entity Definitions

Selective Encoding

Format Preservation

Security Validation

Batch Processing

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Conversion Options

Text Input

Encoded Output

Popular Use Cases

Why Use Our HTML Entity Converter?

Common Use Cases

Web Development & Security

Content Management

Email Templates

API Development

HTML Entity Encoding Examples

Web Security

Content Display

Advanced Features

Multiple Encoding Types

Custom Entity Definitions

Selective Encoding

Format Preservation

Security Validation

Batch Processing