HTML Encoder
Encode HTML markup and text instantly by converting special characters into safe entities. Choose named, decimal or hexadecimal mode, copy output and download results.
Encode HTML & Text
Convert special characters into safe HTML entities
HTML / Text Input
Paste, type, upload or drop HTML/text content
Encoded Output
Safe HTML entity output
Waiting
Ready to Encode
Enter HTML or text and click Encode HTML.
Input Size
0 B
Output Size
0 B
Characters
0 B
Expansion
0%
Browser-Based HTML Encoding
This implementation encodes HTML and text directly in your browser with JavaScript. Encoding, copying and size calculations do not require your input to be sent to a server.
Encoder Features
Encode HTML in Seconds
Convert HTML-sensitive characters into entity-safe output with browser-based processing.
Instant Encoding
Encode HTML-sensitive characters into entities with one click.
Three Modes
Choose named, decimal numeric or hexadecimal numeric entities.
Unicode Support
Optionally encode non-ASCII Unicode characters for portable output.
Copy & Download
Copy encoded output or save it as a text file.
Three Simple Steps
How to Encode HTML Online
Enter HTML or Text
Paste HTML or text into the editor, upload a file or drag and drop content.
Encode HTML
Click Encode HTML to validate the input and remove unnecessary formatting.
Copy or Download
Review the encoded output, copy it to the clipboard or download a text file.
HTML Encoding Guide
What Is an HTML Encoder?
An HTML Encoder converts characters that have special meaning in HTML into entity references. For example, a less-than sign can be represented as < so it is displayed as text instead of being interpreted as the start of an HTML tag.
HTML encoding is useful when displaying code snippets, user-provided text, markup examples or special characters inside HTML documents.
HTML Encoding Example
Original HTML:
<strong>Hello & welcome</strong>Encoded output:
<strong>Hello & welcome</strong>Why Encode HTML?
Characters such as angle brackets, ampersands and quotation marks can affect HTML parsing. Encoding converts them into representations that can be shown as text in appropriate HTML contexts.
HTML encoding is one part of safe output handling. Security-sensitive applications should use context-aware escaping provided by trusted frameworks and templating systems.
How Do HTML Entities Work?
HTML supports named character references such as &, decimal numeric references such as &, and hexadecimal numeric references such as &.
Browsers interpret these references as characters when rendering HTML. Numeric references can also represent a wide range of Unicode code points.
Named vs Numeric HTML Entities
Named Entities use familiar references for common HTML-sensitive characters, such as <, >, &, " and '.
Decimal and Hex modes use numeric character references. Enable Unicode encoding when you also want non-ASCII characters represented numerically.
Common Uses for HTML Encoding
Code Examples
Display HTML markup as readable text instead of rendered elements.
CMS Content
Prepare special characters for appropriate text-display contexts.
Documentation
Show tags, attributes and markup examples in technical guides.
Special Characters
Represent HTML-sensitive and optional Unicode characters as entities.
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HTML Encoder FAQs
Encode HTML & Text Now
Paste HTML or text and generate safe entity-encoded output in seconds.
Encode HTML →