Developer

HTML Entity Encoder & Decoder

Encode or decode HTML entities safely on-device. Processing stays on your device.

How to Use

  1. Paste text or HTML entities.
  2. Encode or Decode.
  3. Copy the safe output.

Key Features & Privacy Advantage

  • All processing happens locally in your browser. Your files are never uploaded to a server.
  • Encodes <>&"' and common entities.
  • Decode via textarea/DOM techniques.
  • Helps prevent broken markup.

Technical Breakdown

HTML entities let you embed reserved characters as text. Encoding is essential when interpolating user content into HTML templates. Decoding uses the browser’s HTML parser in a safe text context.

Frequently Asked Questions

Is this enough against XSS?

Encoding helps for HTML text nodes; full XSS defense needs contextual encoding and a trusted framework policy.

Is text uploaded?

No. All processing happens locally in your browser. Your files are never uploaded to a server.

Named vs numeric entities?

Common named entities are supported; numeric entities decode via the browser.

Can I encode attributes?

Attribute context has extra rules; review output when placing into attributes.