HTML Encoder / Decoder

An HTML encoder/decoder is an online tool that converts special characters to HTML entities or decodes HTML entities back to readable text instantly. Whether you're a web developer displaying user-generated content, a content creator working with special symbols, or a security professional sanitizing input, our tool handles all your HTML encoding and decoding needs effortlessly.

This tool supports all standard HTML entities including named entities (<, >, &) and numeric character references (<, >). Simply paste your text or HTML, choose encode or decode, and get instant results. All processing is performed client-side, ensuring your content remains private and secure.

HTML encoding is essential for web security and proper content display. Developers need to encode special characters like <, >, &, and quotes to prevent XSS attacks, display code snippets on web pages, and ensure user input doesn't break HTML structure. This is particularly important when displaying user-generated content, showing code examples, or storing data that contains HTML-reserved characters.

Web developers use HTML encoding to safely display code examples in documentation, escape user input before rendering, and prevent HTML injection attacks. Content creators benefit from encoding special characters, mathematical symbols, and foreign language characters for consistent display across browsers. Technical writers use HTML encoding to show markup examples and preserve formatting in articles.

The tool saves time by eliminating manual entity lookup and prevents security vulnerabilities that commonly occur when special characters aren't properly escaped. It's particularly useful when preparing content for CMSs, debugging rendering issues, or implementing proper XSS prevention.

XSS Prevention: Encode user input before displaying it on web pages to prevent cross-site scripting attacks.

Code Display: Encode HTML, XML, or other markup code to display it as text on web pages.

Form Handling: Encode form data containing special characters before storing or processing.

Content Migration: Decode HTML entities when migrating content between different systems.

Special Characters: Encode symbols, mathematical notations, and foreign characters for consistent display.

Using our HTML encoder/decoder is simple: paste your text or HTML into the input field, select whether to encode or decode, and the result appears instantly. You can then copy the encoded or decoded output with a single click.

The tool handles all standard HTML entities, properly encoding reserved characters like <, >, &, quotes, and apostrophes. When decoding, it accurately converts both named entities and numeric character references back to their original characters, preserving the exact original text.