How to Encode and Decode HTML Entities
Escape and unescape markup in four simple steps:
Select Mode
Choose Encode (raw text ➔ entity) or Decode (entity ➔ raw text).
Choose Entity Format
Select Named (`©`), Decimal (`©`), or Hexadecimal (`©`).
Inspect Live Output
Review escaped characters in real time without lag.
1-Click Copy
Copy escaped entities directly into your HTML, XML, or Markdown files.
Key Features & Character Support
3 Entity Notations
Named entities, Decimal numeric codes, and Hexadecimal Unicode entities.
XSS Prevention Sanitization
Safely escapes code tags, angle brackets, ampersands, and quotes to prevent script injection.
Bidirectional 1-Click Swap
Seamlessly flip between encoding raw HTML and decoding entity strings.
100% In-Browser Privacy
Your proprietary documents, email templates, and code never leave your device.
Full Unicode & Emoji Support
Handles extended UTF-8 characters, foreign alphabets, and symbols without corruption.
1-Click Clipboard Copy
Fast 1-click copy with non-blocking toast notifications.
The Role of Character Entities in Web Standards & Security
In HTML5, character entity references allow web developers to display reserved syntax characters (<, >, &, quotes) and characters beyond standard ASCII (like mathematical symbols, arrows, and copyright notices) reliably across all web browsers without causing parsing errors or layout breaks.
Nextgen Astra HTML Entity Encoder provides a zero-lag, instant translation workbench for web designers and security engineers.
Comparison Matrix
| Character | Named Entity | Decimal Entity | Hex Entity |
|---|---|---|---|
| < (Less Than) | < | < | < |
| > (Greater Than) | > | > | > |
| & (Ampersand) | & | & | & |
| © (Copyright) | © | © | © |
Frequently Asked Questions
?Why is HTML Entity encoding necessary in web development?
HTML reserved characters like `<` and `>` define HTML tags, and `&` begins character references. If user input contains these characters without entity encoding (`<`, `>`, `&`), browsers may render them as actual markup, exposing websites to Cross-Site Scripting (XSS) attacks.
?What is the difference between Named, Decimal, and Hex entities?
Named entities use human-readable mnemonics (e.g. `©` for ©, `&` for &), Decimal entities use unicode numbers (e.g. `©`), and Hexadecimal entities use base-16 codes (e.g. `©`).
?Can I decode HTML entities back to readable text and code?
Yes! Switch the mode to 'Decode' (or click 'Swap Mode') to turn entity strings like `<div>` back into raw readable HTML `<div>`.
?Does this tool work with emojis and non-English characters?
Yes! High unicode points, special currency symbols (€, £, ¥), mathematical operators (±, ×, ÷), and emojis are fully supported.
?Are my confidential strings uploaded to any remote server?
No! All encoding and decoding operations run 100% locally inside your web browser.