🔤 HTML Entity Encoder / Decoder
Encode special characters to HTML entities (e.g. < to <) to prevent XSS vulnerabilities, or decode HTML entities back to raw text. 100% free.
Free No Signup Required Browser-Based
Result
How to Use HTML Entity Encoder / Decoder
- Select Encode or Decode mode
- Paste your raw text or HTML code into the input area
- View the converted safe HTML entity string and click Copy Result
📖 Technical Encyclopedia & Standards Reference
Encode special characters to HTML entities (e.g. < to <) to prevent XSS vulnerabilities, or decode HTML entities back to raw text. 100% free. This tool computes outputs according to official open technical and scientific specifications.
✓ Open Standards AlignmentCompliant with ISO/IEC, W3C, NIST, and standard mathematical formulations.
✓ 100% Client-Side / SecureZero server logging. Computations execute entirely in your local browser sandbox.
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Frequently Asked Questions
Why do developers encode HTML entities?
HTML entity encoding replaces reserved HTML characters (<, >, &, ", ') with entity representations to prevent browser injection and cross-site scripting (XSS).
What is the HTML entity for an ampersand and quotes?
An ampersand is & (&), a double quote is " ("), and a single apostrophe is '.