Convert text to and from HTML entities instantly. Secure, fast, and works offline in your browser.
Paste your text to encode or HTML-encoded text to decode in the input field.
Select encode to convert special characters to HTML entities, or decode to convert back.
View your encoded/decoded output instantly and copy it to clipboard.
Safely display user-generated content on websites to prevent XSS attacks.
Store HTML content in databases without breaking queries or corrupting data.
Process and store rich text content from CMS systems and editors.
Prevent cross-site scripting (XSS) attacks by encoding user input.
Prepare data for transmission through REST APIs and JSON responses.
Render HTML content safely in web applications and templates.
HTML entity encoding converts special characters into safe HTML entities that browsers can display without interpreting them as HTML markup. This is crucial for web security and data integrity.
The most frequently encoded characters include:
Without proper encoding, special characters can break HTML structure or introduce security vulnerabilities. For example, displaying user input like <script> without encoding could execute malicious JavaScript. HTML encoding ensures that content is displayed safely as intended text rather than executable code.
HTML entities are special codes used to display reserved HTML characters. For example, < displays < and & displays &. They prevent browsers from interpreting these characters as HTML code.
You should encode HTML when displaying user-generated content on web pages to prevent XSS attacks, or when storing HTML content in databases or sending it through systems that might interpret HTML tags.
HTML encoding and escaping refer to the same process - converting special characters to their HTML entity equivalents to prevent them from being interpreted as HTML markup.
Yes, HTML entities are completely reversible. The tool can decode HTML entities back to their original characters, allowing you to restore the original text.
The main characters that get encoded are: & (ampersand), < (less than), > (greater than), " (double quote), and ' (single quote). These are the most commonly reserved HTML characters.
HTML encoding prevents XSS by converting dangerous characters like < and > into safe entities (< and >), so malicious scripts cannot execute. This is a fundamental web security practice.
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