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description=Free HTML entities encoder and decoder. Encode or decode characters like , , &, and quotes to HTML entities. Prevent XSS and display raw HTML safely.;
keywords=html entities encoder, html entities decoder, html escape, html unescape, htmlspecialchars, html encode, html decode, xss prevention;

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Text of the page (random words):
html entities encoder decoder escape unescape skip to main content sadiqbd free online tools calculators all calculators emi loan calculator emi loan planner simple interest calculator compound interest calculator sip calculator fixed deposit fd calculator recurring deposit rd calculator recurring deposit rd goal planner retirement calculator inflation calculator percentage calculator date calculator gst vat calculator converters all converters length converter weight converter temperature converter area converter volume converter speed converter time converter data storage converter pressure converter energy converter power converter angle converter frequency converter fuel economy converter cooking converter time zone converter currency exchange text tools all text tools word character counter case converter text reverser lorem ipsum generator remove duplicate lines sort lines text diff find replace text to slug string repeater morse code translator rot13 encoder character frequency 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uuid generator timestamp converter number base converter jwt decoder regex tester color converter hash generator bcrypt generator random string generator cron explainer rest api checker seo all seo serp preview meta tag generator open graph generator keyword density robots txt generator xml sitemap generator utm builder schema generator hreflang generator canonical tag generator link extractor image alt checker redirect mapper heading extractor seo checklist blog all blog calculators converters text tools health internet developer seo home developer html entities encoder decoder escape unescape html entities encoder decoder encode special characters as html entities or decode entities back to plain text prevents xss and ensures safe html rendering select encode or decode tab type or paste your html or plain text click encode or decode to convert click copy to copy the result encode decode input text encode extended characters non ascii as xxx numeric entities encode clear html encoded output copy html with entities decode clear decoded output copy common html entities reference character entity name numeric description ampersand less than greater than double quote single quote non breaking space copyright registered trademark trademark euro sign frequently asked questions what are html entities html entities are text strings that represent characters which have special meaning in html or cannot easily be typed they begin with and end with for example represents less than sign which would otherwise start an html tag named entities like represent symbols like why do i need to encode html entities html encoding is essential for preventing cross site scripting xss attacks user input containing script is rendered as literal text instead of executed displaying literal html source code on a page safely including user content in html templates and displaying characters like and as content rather than markup what is the difference between named and numeric entities named entities use a human readable name for for numeric entities use the unicode code point decimal or hexadecimal for both are equivalent in browsers numeric entities can represent any unicode character even if no named entity exists named entities are more readable when they exist which characters must always be encoded in html the five characters that must always be encoded in html are inside attribute values and inside single quoted attributes in html5 the forward slash does not need encoding but is sometimes encoded for xhtml compatibility does html encoding prevent xss attacks html entity encoding prevents xss in html contexts when you are inserting untrusted data between html tags however it does not prevent xss in all contexts for javascript contexts inside a script tag use json encoding for url attributes href src validate and use a url safe encoding for css use css specific encoding context appropriate encoding is required html encoding alone is not sufficient for all injection points what is the difference between html encoding and url encoding html encoding converts characters to entity format for safe inclusion in html markup url encoding converts characters to xx percent encoded format for safe use in urls they serve different contexts and are not interchangeable a url inside an html attribute should be url encoded first then the whole attribute value html encoded for example a href search q a 26b where 26 is url encoded and the outer html is safe how does php htmlspecialchars compare to this tool php s htmlspecialchars encodes the five critical html characters and is the recommended function for output escaping in php templates htmlentities additionally encodes all characters that have named html entity equivalents this tool s encode mode encodes the same five critical characters enabling the extended option also encodes non ascii characters as numeric entities what is and when should i use it non breaking space u 00a0 is a space character that prevents line breaks between two words use it when you want two words to stay on the same line e g 100 km mr smith or to add spacing in html where normal spaces collapse however avoid overusing it for layout css properties like white space nowrap or margin are more appropriate for layout purposes can html entities represent any unicode character yes numeric html entities can represent any unicode code point code_point in decimal or xhex in hex for example the emoji is or this allows you to include any character in html documents that are encoded as ascii or latin 1 though for utf 8 html documents the modern standard you can usually include unicode characters directly without entity encoding do html entities work in xml and xhtml in strict xml and xhtml served as xml only five predefined entities are available and apos other html named entities like are not defined in xml and will cause parsing errors unless you declare them in a doctype use numeric entities instead of named entities for maximum xml compatibility about this html entities encoder decoder this free html entities encoder and decoder converts special characters to their html entity equivalents and back all conversion runs in your browser no data is sent to a server essential for xss prevention and safe html output when to use this tool encoding user generated content before inserting it into html decoding html entities from api responses or database content displaying literal html source code on a webpage learning which characters need escaping for safe html output related developer tools url encoder base64 encoder json formatter regex tester related articles in depth guides and technical articles view all developer jul 8 2026 html encoding doesn t stop xss in javascript context why csp nonces are the missing second layer html encoding converts to but it can t protect against xss in javascript contexts where the browser parses script blocks before html encoding applies content security policy blocks injected scripts at the browser level using nonces random per request values or hashes to allow only legitimate inline scripts here s why both layers are required how csp nonces work and what violation reports reveal about attacker probing developer jun 22 2026 in utf 8 most html entities are unnecessary but these five still are html entities were invented to survive character encoding translation before utf 8 was universal in today s utf 8 world é and é are identical but five entities apos remain essential because they escape characters that have structural meaning in html not encoding meaning here s which entities are legacy which remain necessary and why is a special case that s about rendering behavior rather than encoding developer jun 17 2026 double encoding why amp shows up and why the quick fix can be dangerous amp appearing on a webpage instead of is one of the most common html entity bugs an ampersand encoded twice because encoding got applied at multiple uncoordinated points in a pipeline here s why this happens why encode once at output as late as possible is the fix and why fixing double encoding by removing encoding from the wrong stage can quietly turn a cosmetic bug into an xss vulnerability developer jun 14 2026 unicode fundamentals ascii history utf 8 encoding byte order marks and why mojibake happens ascii was designed in 1963 for 7 bit telegraph machines every country s attempt to extend it to 8 bits was incompatible producing mojibake when files crossed systems here s how unicode solved the problem why utf 8 became dominant backward compatibility with ascii what byte order marks are and what character encoding corruption actually looks like developer jun 9 2026 xss and html encoding the five contexts that require different escaping xss is still the most common web vulnerability and unescaped html is the mechanism here s how cross site scripting actually works the five encoding contexts that require different treatment why react is safe by default but php isn t and how csp adds a second layer sadiqbd 100 free online tools for finance health development and seo no sign up required tools calculators converters text tools health internet developer seo company about blog glossary privacy policy terms 2026 sadiqbd platform all rights reserved rate us on trustpilot install sadiqbd add to your home screen for quick access install install on iphone ipad tap share then add to home screen