HTML Encoder


HTML Encoder is used to encode or escape text that is normally unsafe for transmission in HTML. These are special characters that have special meaning in the HTML format.


HTML Decoder
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HTML encoded text


Certain characters need to be encoded (escaped) in HTML. Read more at wikipedia.

Example Substitutions

  • & → & (ampersand, U+0026)
  • &lt; → < (less-than sign, U+003C)
  • &gt; → > (greater-than sign, U+003E)
  • &quot; → " (quotation mark, U+0022)
  • &apos; → ' (apostrophe, U+0027)

How to do HTML encoding in various programming languages

LanguageEncodeDecodeExampleDocumentation
C#System.Net.WebUtility.HtmlEncode()System.Net.WebUtility.HtmlDecode()ExampleHtmlEncode() HtmlDecode()
VB .NETSystem.Net.WebUtility.HtmlEncode()System.Net.WebUtility.HtmlDecode()ExampleHtmlEncode() HtmlDecode()
Javaorg.apache.commons.lang.StringEscapeUtils.escapeHtml()org.apache.commons.lang.StringEscapeUtils.unescapeHtml()ExampleescapeHtml() unescapeHtml()
JavaScripthtmlEncode()htmlDecode()Example
Pythonhtml.escape()html.unescape()escape() unescape()Documentation
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