HTML Entities Encoder/Decoder

Encode and decode HTML entities

HTML Entities

Plain Text

Common HTML Entities

&

&

Ampersand

<

&lt;

Less than

>

&gt;

Greater than

"

&quot;

Double quote

'

&apos;

Single quote

&nbsp;

Non-breaking space

©

&copy;

Copyright

®

&reg;

Registered

&trade;

Trademark

&euro;

Euro

£

&pound;

Pound

¥

&yen;

Yen

Free Online HTML Entities Encoder/Decoder - Special Character Conversion

Free online HTML entities encode and decode tool. Convert special characters like <, >, &, quotes to HTML entities (< > & ") and vice versa. Supports both encoding (plain text → entities) and decoding (entities → plain text). Reference table of the 12 most popular HTML entities with characters, entity code and names. Swap button to quickly reverse input/output. Essential tools for web developers to safely handle user input, avoid XSS attacks, and display code snippets in HTML.

Outstanding features

Decode HTML entities sang plain text
Encode plain text sang HTML entities
Table of 12 common entities with characters and code
The swap button reverses input/output
Copy results with one click
Handle & < > " '
Supports   © ® ™
Supports currency: € £ ¥
Clear Decode/Encode tabs interface
Completely free, unlimited

Tại Sao Web Developer Cần HTML Entities?

HTML entities là cách biểu diễn ký tự đặc biệt trong HTML mà không gây conflict với syntax. Ví dụ: < và > là tag delimiters, nên để hiển thị chúng phải dùng < và >. Quan trọng hơn, encode user input trước khi render trong HTML là biện pháp bảo mật cơ bản chống XSS (Cross-Site Scripting) attacks. Công cụ này giúp bạn nhanh chóng encode/decode text, debug HTML issues, và Learn about common entities

Benefits when used

  • Security: Encode user input to avoid XSS attacks
  • Display code snippets in safe HTML
  • Debug HTML rendering issues quickly
  • Learn and look up common HTML entities
  • Handle special characters in content
  • Copy-paste entities vào code dễ dàng

. Instructions for Using HTML Entities Encoder/Decoder

  1. 1Select the Decode (entities → text) or Encode (text → entities)
  2. 2tab Paste or enter content into the input box on the left
  3. 3Press the Decode/Encode button to convert
  4. 4See the results in the output box on the right
  5. 5Click Copy to copy the
  6. 6results Use the swap button (↔) to reverse and continue processing

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