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Unicode to HTML Entities Converter

DeveloperText

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INPUT

Auto Process

OUTPUT

Client Side

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Guide

Unicode to HTML Entities Converter

Special characters in HTML can break rendering, cause encoding issues, or display incorrectly across browsers. Converting Unicode characters to HTML entities ensures your content displays correctly everywhere — from email templates to legacy CMS platforms. This tool handles the conversion in both directions, entirely in your browser.

Paste your text and get HTML entities instantly, or paste entities to decode them back to readable text. Choose between named, decimal, or hexadecimal entity formats depending on your use case.

How to Use

Paste Unicode text into the input field to encode it as HTML entities, or switch to decode mode and paste HTML entities to convert them back to readable text. Select your preferred entity format (named, decimal, or hex) and choose whether to encode all characters or only non-ASCII ones. Results appear instantly as you type.

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Features

Three Entity Formats – Named entities (©), decimal (©), or hexadecimal (©) — pick what your project needs
Bidirectional Conversion – Encode Unicode to entities or decode entities back to Unicode text
Selective Encoding – Encode only non-ASCII characters (recommended) or encode everything including basic ASCII
HTML5 Named Entity Support – Comprehensive lookup table covering ~250 named HTML entities
Character Info Table – See each converted character’s Unicode codepoint and name
Auto-Processing – Results update instantly as you type — no button clicks needed
Client-Side Only – All conversion happens in your browser, nothing is sent to a server

When to Use This Tool

Use it when embedding special characters in HTML emails, working with legacy systems that don’t support UTF-8, ensuring cross-browser compatibility for currency symbols and special punctuation, or debugging encoding issues in web content. The decode mode is handy for making entity-heavy HTML readable again.

 FAQ

What is the difference between named, decimal, and hexadecimal HTML entities?

Named entities use human-readable labels like © for the copyright symbol. Decimal entities use the Unicode codepoint in base-10 like ©. Hexadecimal entities use base-16 like ©. All three render identically in browsers. Named entities are easier to read in source code but only exist for common characters (~250 in HTML5). Decimal and hex entities work for any Unicode character, making them more universal.
When should I use HTML entities instead of raw Unicode characters?

Use HTML entities when your document encoding might not be UTF-8 (legacy systems, some email clients), when the character has special meaning in HTML (like & and quotes), when you need to ensure compatibility with older browsers or parsers, or when working with content management systems that strip or mangle Unicode. For modern UTF-8 websites, raw Unicode is generally fine for most characters, but entities are still needed for HTML-reserved characters.
What are the most commonly used HTML entities?

The most frequently used entities are & (ampersand), < and > (angle brackets), " (double quote),   (non-breaking space), © (copyright), ® (registered trademark), € (euro sign), — (em dash), and … (ellipsis). The first five are essential because they prevent conflicts with HTML syntax — an unescaped ampersand or angle bracket can break your markup.
What is the relationship between Unicode and HTML entities?

Unicode is the universal character encoding standard that assigns a unique number (codepoint) to every character in every language. HTML entities are a way to represent those Unicode codepoints in HTML markup. A decimal entity like © directly references Unicode codepoint U+00A9 (copyright sign). Named entities like © are aliases defined in the HTML specification that map to the same codepoints. Essentially, HTML entities are just an HTML-specific syntax for referencing Unicode characters.
Do all browsers support all HTML entities?

All modern browsers support the full set of HTML5 named entities and all decimal/hexadecimal entities for characters in the Basic Multilingual Plane (U+0000 to U+FFFF). Support for characters outside the BMP (emoji, historic scripts, mathematical symbols above U+FFFF) using surrogate pair entities varies slightly in older browsers but is universal in current versions. Named entities are the safest choice for common symbols since they have the longest browser support history.