HTML Entity Encode/Decode

Encode and decode HTML entities to safely represent special characters.

Quick Links

• Open HTML Entity Encode/Decode
• All Tools Hub
• Related Guide

Quick Example

Input: <div class="box">A&B</div>

Output: &lt;div class=&quot;box&quot;&gt;A&amp;B&lt;/div&gt;

Common mistakes

• Treating encoding as encryption or authentication.
• Using the wrong variant (standard vs URL-safe) for the target system.
• Decoding in the wrong processing stage and breaking downstream parsing.

String Ninja tools run in the browser for practical text, security, and data workflows. For critical production decisions, validate outcomes in controlled pipelines.