Tools / HTML Entity Encoder

HTML Entity Encoder

Encode special characters to HTML entities or decode them back. Includes quick insert buttons and a reference chart.

6,800 AI Tokens Used
Feb 2, 2026 Created
developertext
Categories
Quick insert:
Result will appear here...

Common HTML Entities

&&
<&lt;
>&gt;
"&quot;
'&#39;
©&copy;
®&reg;
™&trade;
€&euro;
£&pound;
¥&yen;
¢&cent;
§&sect;
°&deg;
±&plusmn;
×&times;
÷&divide;
←&larr;
→&rarr;
↑&uarr;

When to Use HTML Entities

  • < > & - Always encode in HTML content
  • " - Encode in attribute values
  • Non-ASCII characters - Encode for legacy compatibility
  • Special symbols - Use named entities for readability

How This Tool Was Built

This tool was created entirely by AI. Here's the exact prompt used to generate it:

Prompt Used 
Create an HTML Entity Encoder tool with these features:

1. Mode toggle: Encode or Decode
2. Quick insert buttons for common characters
3. Input textarea
4. Option to encode all non-ASCII as numeric entities
5. Output display with copy button
6. Swap button to use output as input
7. Common HTML entities reference grid
8. Info about when to use HTML entities

Make it developer-friendly with orange as the accent color.
AI
Claude AI Model
#
6,800 Tokens Used
100%
AI-Generated Code Origin