How to Use the HTML Entity Encoder & Decoder
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1
Paste your text or HTML into the input area.
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2
Choose Encode to convert special characters to entities (& → &) or Decode to reverse.
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3
Copy the safely processed output.
Practical Example & Use Case
Common Real-World Scenario
Encoding user-submitted comment text before inserting it into an HTML template to prevent XSS injection attacks.
Technical Notes & Limitations
Browser Engine Architecture
Processes Named entities, Decimal ( ) and Hexadecimal ( ) numeric character references.
Frequently Asked Questions
Why do I need to HTML-encode user input?
Without encoding, malicious users can inject