Difference Between JSON and XML Last Updated : 11 Jul, 2025 Comments Improve Suggest changes Like Article Like Report JSON (JavaScript Object Notation) and XML (Extensible Markup Language) are both formats used for structuring and exchanging data. JSON uses Key Value Structure and XML uses Tag based Structure to make platform independent formats. JSON (JavaScript Object Notation) JSON has a straightforward syntax with key-value pairs, making it easy to read and write for humans. JSON is lightweight compared to XML, resulting in faster parsing and smaller data payloads. JavaScript {"Geeks":[ { "firstName":"Vivek", "lastName":"Kothari" }, { "firstName":"Suraj", "lastName":"Kumar" }, { "firstName":"John", "lastName":"Smith" }, { "firstName":"Peter", "lastName":"Gregory" } ]} XML (Extensible Markup Language)XML is highly extensible, allowing developers to define custom tags and structures suited to specific needs. Strong support for XML Schema Definition (XSD), enabling rigorous validation and data integrity checks. XML <Geeks> <Geek> <firstName>Vivek</firstName> <lastName>Kothari</lastName> </Geek> <Geek> <firstName>Suraj</firstName> <lastName>Kumar</lastName> </Geek> <Geek> <firstName>John</firstName> <lastName>Smith</lastName> </Geek> <Geek> <firstName>Peter</firstName> <lastName>Gregory</lastName> </Geek> </Geeks> Difference Between JSON and XMLJSONXMLIt is JavaScript Object NotationIt is Extensible markup languageIt is based on JavaScript language.It is derived from SGML.It is a way of representing objects.It is a markup language and uses tag structure to represent data items.It does not provides any support for namespaces.It supports namespaces.It supports array.It doesn't supports array.Its files are very easy to read as compared to XML.Its documents are comparatively difficult to read and interpret.It doesn't use end tag.It has start and end tags.It is less secured.It is more secured than JSON.It doesn't supports comments.It supports comments.It supports only UTF-8 encoding.It supports various encoding.When to Use JSON vs XML Use JSON when:Efficiency and simplicity are priorities.You’re building modern web applications or APIs. Use XML when:You need robust validation or extensibility.Working with legacy systems or document-based workflows. Comment More infoAdvertise with us Next Article Difference Between YAML and JSON V vivekkothari Follow Improve Article Tags : HTML HTML and XML JSON JavaScript-Misc JavaScript-Questions Web Technologies - Difference Between +2 More Similar Reads Difference Between YAML and JSON YAML and JSON are data serialization formats. YAML is human-readable, uses indentation, supports comments, and is ideal for configuration files. JSON is compact, machine-readable, lacks comment support, and is commonly used in APIs and data exchange.YAMLYAML is a light-weight, human-readable data-re 2 min read Difference Between YAML and JSON YAML and JSON are data serialization formats. YAML is human-readable, uses indentation, supports comments, and is ideal for configuration files. JSON is compact, machine-readable, lacks comment support, and is commonly used in APIs and data exchange.YAMLYAML is a light-weight, human-readable data-re 2 min read Difference Between JSON and AJAX AJAXAjax is an acronym for Asynchronous Javascript and XML. It is used to communicate with the server without refreshing the web page and thus increasing the user experience and better performance. There are two types of requests synchronous as well as asynchronous. Synchronous requests are the one 5 min read Difference Between JSON and AJAX AJAXAjax is an acronym for Asynchronous Javascript and XML. It is used to communicate with the server without refreshing the web page and thus increasing the user experience and better performance. There are two types of requests synchronous as well as asynchronous. Synchronous requests are the one 5 min read Difference Between JSON and BSON When working with data in modern web applications, understanding the formats used for data exchange and storage is crucial. Two widely used formats are JSON (JavaScript Object Notation) and BSON (Binary JSON). Although they serve similar functions, they have distinct features and are used in differe 5 min read Difference Between JSON and BSON When working with data in modern web applications, understanding the formats used for data exchange and storage is crucial. Two widely used formats are JSON (JavaScript Object Notation) and BSON (Binary JSON). Although they serve similar functions, they have distinct features and are used in differe 5 min read Like