HTML Encoder
Encode HTML entities
Encoded Output
What Is an HTML Encoder?
An HTML encoder converts special characters into their HTML entity equivalents, making text safe to display in HTML without being interpreted as markup. Characters like <, >, and & become <, >, and &. Tooliva's free online HTML encoder protects your content from XSS attacks and rendering errors with one click.
Why Use Tooliva's Online HTML Encoder?
Web developers need to encode user-generated content before inserting it into HTML to prevent cross-site scripting (XSS) attacks. Content managers encode special characters for safe HTML rendering. Tooliva encodes all special characters instantly, supporting both named entities and numeric entities. Everything runs in your browser for complete privacy.
How to Encode HTML Online
- Paste or type the text you want to encode into the input area.
- Click Encode and the tool converts all special characters to HTML entities.
- Copy the encoded text to your clipboard.
Key Features
- Complete character encoding — converts all HTML special characters to safe entities
- Named and numeric entities — choose between
<and<formats - Instant encoding — processes text of any length in milliseconds
- XSS protection — prevents user content from being interpreted as HTML
- Free and private — no sign-up, no uploads, browser-based
Common Use Cases
Web developers encode user comments and forum posts for safe HTML rendering. Backend engineers encode data before inserting it into HTML templates. Content managers encode special characters in WYSIWYG editors. Email developers encode content for HTML email templates. Security teams encode data to prevent XSS vulnerabilities in web applications.
Frequently Asked Questions
Q: Why is HTML encoding important?
HTML encoding prevents user-generated content from being interpreted as HTML markup, which protects against cross-site scripting (XSS) attacks and ensures content displays correctly.
Q: What characters get encoded?
The encoder converts <, >, &, quotes, and other special characters to their HTML entity equivalents. Non-ASCII characters can also be encoded as numeric entities.
Q: Can I decode encoded HTML back?
Yes. Use the HTML Decoder to convert HTML entities back to their original characters.
Q: Is the encoding private?
Yes. All encoding happens in your browser. Your text never leaves your device.