HTML Encoder and Decoder: Escape HTML Entities Safely

Escape HTML entities to display code safely and prevent injection.

2026-01-065 min

Use the tool alongside this guide for hands-on practice.

Why encode HTML

Encoding prevents the browser from interpreting user input as markup.

Named, decimal, and hex entities all represent special characters.

Encoding is a key step, but full XSS protection requires proper sanitization.

January 6, 20266 min

Decode JWT headers and payloads, inspect claims, and verify expiration quickly.

January 6, 20265 min

Create hashes for checksums, file validation, and data integrity in seconds.