HTML Entity Encoder

Escape and unescape HTML. Use the HTML Entity Encoder below — everything runs in your browser, nothing is uploaded.

How it works

Enter your values in the HTML Entity Encoder above. Results update instantly and stay on your device.

Formula and source

This tool applies its standard published method. Check the linked source for the exact definition.

Tips

  • Double-check units before trusting a result.
  • Bookmark the page — its address never changes.

FAQ

Is the HTML Entity Encoder free?

Yes, completely free with no signup.

Is my data stored?

No. All calculations happen locally in your browser.