HTML Encoder
Developer ToolsEncode & decode HTML entities
Embed this tool on your websiteFree
- Choose how tall the frame should be.
- Press Copy code.
- Paste it into your page, blog, WordPress or Notion HTML block.
The tool runs inside your visitor's browser, nothing is uploaded, and a small "Powered by ToolCloak" line stays under it. The second line (script) is optional: it makes the frame fit the tool's height.
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History
All history →HTML Encoder — at a glance
Convert < > & and quotes into safe HTML codes so they display as text instead of running as code.
How to use it — step by step
Useful for showing code on web pages and preventing XSS issues.
Encode or Decode
Choose what you want to do.
Paste your text
Add the HTML or the entity-encoded text.
Convert
The result appears instantly.
Copy
Paste into your page or blog post.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
What is an HTML entity?+
It is a special code starting with & and ending with ; that shows a character, like < for <.
Does encoding prevent XSS attacks?+
Encoding user input before output is one of the main defences, along with other security practices.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.