Developer Tools
HTML Entity Encoder / Decoder
Encode any text to HTML entities (turning < into <, & into &) or decode HTML entities back to readable text, instantly in your browser. Supports all named entities and numeric character references.
Encoding and decoding happen entirely in your browser
Features
- Encodes <, >, &, ", ' to HTML entities
- Decodes all named and numeric HTML entities
- Handles &#x hex and &#decimal references
- No upload, client-side only
How to use it
- Select Encode or Decode mode.
- Paste your text.
- Result appears instantly.
- Copy the output.
Use cases
- Escaping user-generated content before inserting into HTML
- Decoding HTML entity-encoded database content
- Preparing code snippets for display in HTML pages
Limitations
- Reserved HTML characters can be encoded before placing text into markup.
- Very large input can be slower on older devices.
- This utility is designed for common snippets and local inspection, not as a full security or language-specific validator.
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Use toolFrequently asked
When should I encode HTML entities?
Encode any user-provided text before inserting it into HTML to prevent XSS. Never insert raw user input directly into HTML.
Does HTML Entity Encoder Decoder upload my input?
Your file or text is processed in your browser and is not uploaded.
What does HTML Entity Encoder Decoder output?
It outputs entity-safe text. Reserved HTML characters can be encoded before placing text into markup.
Should I review HTML Entity Encoder Decoder output before using it?
Yes. Developer formats and snippets can be context-sensitive, so review generated output before using it in production.