HTML Entity Encoder & Decoder

Encode special characters to HTML entities for safe web display, or decode entities back to plain text. This tool handles all standard named and numeric HTML entities.

HTML Entity Encoder & Decoder

Convert special characters to HTML entities and back

Use named entities ( , ©, etc.)

Plain Text

Encoded HTML

How the HTML Entity Encoder and Decoder Works

This tool converts special characters to HTML entities (encoding) and back to plain text (decoding). It handles named entities ( , ©) and numeric entities ( , ©).

Encoding and Decoding Process

Enter your text or HTML with entities
Click "Encode" to convert special characters to entities
Click "Decode" to convert entities back to characters
Common characters like <, >, &, and quotes are handled
Unicode characters are preserved or converted based on mode
Copy the result for use in your HTML documents

Specific Use Cases

Displaying Code Examples

A blogger writing a tutorial needs to show HTML tags as text, not rendered elements. Encoding <div> as <div> displays the tags visibly on the page.

User-Generated Content Safety

A forum encodes user input to prevent XSS attacks. Special characters like < and > become entities, preventing malicious scripts from executing.

Special Character Display

A website needs to display copyright (©), trademark (™), or currency symbols (€, £). Encoding ensures these display correctly across all browsers and character encodings.

Email Template Creation

An email developer encodes special characters in HTML emails to ensure consistent rendering across different email clients and character encodings.

Data Export for HTML

Someone exports database content containing special characters to HTML format. Encoding ensures ampersands, quotes, and angle brackets don't break the HTML structure.

What to Know Before Using This Tool

Understanding HTML entities and encoding:

Five main characters need encoding in HTML: & < > " '
Named entities ( ) are more readable than numeric ( )
Encoding is essential for displaying HTML tags as text
Decoding converts entities back to readable characters
Unicode characters may be preserved or encoded depending on settings
Double-encoding can occur if already-encoded text is encoded again

Frequently Asked Questions

What characters need to be encoded in HTML?

The five special characters: & (ampersand), < (less than), > (greater than), " (double quote), and ' (single quote). These have special meaning in HTML.

What's the difference between named and numeric entities?

Named entities use descriptive names (© for ©). Numeric entities use code points (© decimal or © hex for ©). Named entities are more readable but less universal.

Why encode ampersands?

Ampersands start entity references in HTML. An unencoded & in "Tom & Jerry" could be misinterpreted. Encode as & to display correctly.

When should I decode HTML entities?

Decode when you need the actual characters for processing, display in non-HTML contexts, or when entities were accidentally stored in a database instead of the actual characters.

Does encoding affect SEO?

Search engines decode entities before indexing, so "café" and "café" are treated the same. Use entities when needed for HTML validity, not for SEO purposes.

What about non-ASCII characters?

Modern HTML5 with UTF-8 encoding handles most characters directly. Entities are mainly needed for the five special characters or when character encoding is uncertain.

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