HTML Encoder/Decoder

Convert between plain text and HTML entities with multiple encoding options

HTML Encoder

Convert text to HTML entities

Input Text

Upload File

Encoded HTML

Options

Auto Process

Preserve newlinesEncode quotesEncode non-ASCII

Statistics

Input: 0 chars

Output: 0 chars

Entities: 0

Special Chars: 0

Encoding converts special characters to HTML entities

Understanding HTML Encoding & Decoding

HTML encoding (or "escaping") converts special characters (like <, >, &) into HTML entity representations (e.g., <, &, ©). Decoding reverses this. It's crucial for web security (preventing XSS), correct content display, and data integrity in HTML.

How to Use the HTML Encoder/Decoder?

1
Input your text:
Paste or type the text or HTML code you want to process into the input area.
2
Select the operation mode:
Choose "Encode" to convert characters into HTML entities, or "Decode" to convert entities back into characters.
3
Configure processing options:
Encoding Type:Select from Named, Decimal, or Hexadecimal entities.
Character Options:Choose how to handle newlines, quotes, and non-ASCII characters.
4
Process the text:
Click the "Encode" or "Decode" button. For real-time results, enable the "Auto Process" option.
5
View the result:
The converted text will appear in the output area, ready for you to review.
6
Copy or download:
Use the provided buttons to copy the output to your clipboard or download it as a text file.

Supported Encoding Entity Types

Named Entities

Most readable, e.g., < for <, & for &.

Covers common special characters.

Decimal Entities

Numeric representation, e.g., < for <.

Can represent any Unicode character.

Hexadecimal Entities

Hex numeric representation, e.g., < for <.

Alternative numeric, also for any Unicode char.

Key Features

Bidirectional Conversion: Seamlessly encode to and decode from HTML entities.

Multiple Entity Types: Supports Named, Decimal, and Hexadecimal entities for encoding.

Granular Encoding Control: Options for newlines, quotes, and non-ASCII characters.

Auto-Processing Option: Get instant results as you type or change settings.

Character Counts & Stats: View input/output lengths and processing details.

Easy Input/Output: Paste, type, upload, copy results, or download files.

Common Use Cases

Preventing XSS

Safely display user content by encoding it, blocking malicious scripts.

Displaying Code

Show HTML/XML snippets on a webpage without browser interpretation.

HTML Attributes

Embed text with special characters safely within tag attributes.

Internationalization

Ensure non-ASCII characters display correctly across systems.

Data Integrity

Store or transmit data with special characters without corruption.

Learning Tool

Understand HTML entity representations of characters.

Tips & Considerations

Choosing Entity Types: Named entities (e.g., <) are readable but limited. Numeric entities (Decimal: <, Hex: <) cover all characters.
Non-ASCII Characters: Use "Encode non-ASCII" for accented letters or symbols outside standard ASCII for maximum compatibility.
Security First: Always encode untrusted data before rendering in HTML. Ensure decoded entities are from a trustworthy source.
Context Matters: Encoding needs vary (HTML content, tags, URLs, attributes). This tool focuses on HTML content.

This HTML Encoder/Decoder tool simplifies managing special characters in web content, helping you build more secure and robust web applications.

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