HTML Encoder

Encode text to HTML entities (e.g. & < >).

Input

Encoded output

Output will appear here.

What is HTML Encoder?

HTML encoding converts characters like < > & into entities so they display as text instead of being interpreted as HTML.

1. Type or paste text in the input.

2. Encoded output updates automatically.

Encode text to Base64.

Decode Base64 to text.

Decode HTML entities to text.

Format, validate, and beautify JSON with syntax highlighting.

Validate JSON syntax and get clear error messages.

Convert JSON array to CSV format.

Format, validate, and beautify JSON with syntax highlighting.

Test regular expressions and highlight matches.

Encode text to Base64.

Generate UUID v4 identifiers.

Decode and inspect JWT header and payload.