fast-xml-parser vs xml2js vs xml-js vs xml2json vs libxmljs
XML Parsing Libraries Comparison
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fast-xml-parserxml2jsxml-jsxml2jsonlibxmljsSimilar Packages:
What's XML Parsing Libraries?

XML parsing libraries are tools designed to read, manipulate, and convert XML data into a format that can be easily used in applications. They provide various functionalities such as converting XML to JSON, validating XML against schemas, and enabling easy navigation and modification of XML documents. These libraries are essential for developers working with XML data in web applications, allowing for efficient data handling and integration with other systems.

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fast-xml-parser30,249,9962,726537 kB595 days agoMIT
xml2js22,352,4314,9313.44 MB2462 years agoMIT
xml-js2,444,0671,312-1236 years agoMIT
xml2json85,572811-555 years agoMIT
libxmljs64,4461,05117.7 MB71a year agoMIT
Feature Comparison: fast-xml-parser vs xml2js vs xml-js vs xml2json vs libxmljs

Performance

  • fast-xml-parser:

    fast-xml-parser is optimized for speed and efficiency, making it one of the fastest XML parsers available. It minimizes memory usage and processing time, which is crucial for applications that handle large XML files or require real-time processing.

  • xml2js:

    xml2js balances performance and flexibility, allowing for efficient parsing of XML into JavaScript objects. It is suitable for most applications that require XML handling without significant performance concerns.

  • xml-js:

    xml-js is designed for simplicity and ease of use, providing decent performance for basic XML to JSON conversions. It is not as fast as fast-xml-parser but is sufficient for small to medium-sized XML documents.

  • xml2json:

    xml2json is efficient for converting XML to JSON, focusing on providing a straightforward conversion process. It is not the fastest option but performs well for typical use cases.

  • libxmljs:

    libxmljs offers robust performance but may be slower compared to lighter libraries due to its comprehensive feature set. It is designed for applications that need advanced XML processing capabilities, such as XPath queries and schema validation, which can add overhead.

Feature Set

  • fast-xml-parser:

    fast-xml-parser supports a variety of features including attribute handling, tag name conversion, and support for comments. It is designed for quick parsing without the overhead of complex features, making it ideal for straightforward XML data processing.

  • xml2js:

    xml2js offers a flexible API with options for customizing the parsing process, including support for attributes and explicit control over the output format. It is well-suited for developers who need more control over how XML is processed.

  • xml-js:

    xml-js focuses on basic XML to JSON conversion and vice versa, providing a straightforward API for developers. It lacks advanced features but excels in simplicity and ease of integration.

  • xml2json:

    xml2json provides basic functionality for converting XML to JSON, focusing on ease of use. It lacks advanced features but is effective for simple conversion tasks.

  • libxmljs:

    libxmljs provides a rich set of features including XPath support, XSLT transformations, and XML schema validation. It is the go-to choice for applications that require extensive XML manipulation and validation capabilities.

Ease of Use

  • fast-xml-parser:

    fast-xml-parser is user-friendly with a simple API that allows developers to quickly parse XML without extensive configuration. Its straightforward approach makes it accessible for beginners and efficient for experienced developers.

  • xml2js:

    xml2js is known for its clear documentation and ease of use, allowing developers to quickly implement XML parsing in their applications. It strikes a good balance between usability and flexibility, making it popular among developers.

  • xml-js:

    xml-js is very easy to use, with a minimalistic API that allows for quick integration into projects. Developers can get started with little overhead, making it a great choice for simple applications.

  • xml2json:

    xml2json is straightforward and easy to implement, making it ideal for developers who need a quick solution for XML to JSON conversion without additional complexity.

  • libxmljs:

    libxmljs has a steeper learning curve due to its comprehensive feature set and advanced capabilities. It requires a better understanding of XML standards and may take more time to master, making it less ideal for quick projects.

Community and Support

  • fast-xml-parser:

    fast-xml-parser has a growing community and is gaining popularity, but it may not have as extensive support resources as more established libraries. Documentation is available, but community contributions are still developing.

  • xml2js:

    xml2js has a large user base and extensive documentation, making it one of the most supported XML parsing libraries. The community actively contributes to its development, providing a wealth of resources and examples.

  • xml-js:

    xml-js is relatively simple and has a smaller community, but it is easy to find basic support and examples. Its simplicity means that most issues can be resolved quickly without extensive resources.

  • xml2json:

    xml2json has limited community support compared to others but is straightforward enough that most developers can implement it without needing extensive help.

  • libxmljs:

    libxmljs has a strong community and is well-supported with extensive documentation and examples. It is widely used in the industry, ensuring that developers can find help and resources easily.

Compatibility

  • fast-xml-parser:

    fast-xml-parser is compatible with modern JavaScript environments and works well with Node.js applications. It is designed to integrate easily with other libraries and frameworks, making it versatile for various projects.

  • xml2js:

    xml2js is designed for Node.js but can also be used in browser environments with some adjustments. It is widely compatible and integrates well with various JavaScript frameworks and libraries.

  • xml-js:

    xml-js is compatible with both Node.js and browser environments, allowing for flexibility in deployment. Its simplicity makes it a good choice for projects that need to run in multiple environments.

  • xml2json:

    xml2json is compatible with Node.js and can be used in browser environments, making it versatile for different application types. It is easy to integrate into existing projects.

  • libxmljs:

    libxmljs is built for Node.js and provides bindings to the libxml2 library, ensuring compatibility with server-side applications that require robust XML processing capabilities. It may not be suitable for browser-based applications without additional handling.

How to Choose: fast-xml-parser vs xml2js vs xml-js vs xml2json vs libxmljs
  • fast-xml-parser:

    Choose fast-xml-parser if you need a lightweight and fast solution for parsing XML into JSON. It is particularly useful for applications where performance is critical and you want to minimize overhead. It supports various features like attribute handling and can parse large XML files efficiently.

  • xml2js:

    Use xml2js if you need a flexible and widely used library for converting XML to JavaScript objects. It offers a variety of options for customizing the parsing process and is well-documented, making it suitable for developers who want a reliable and community-supported solution.

  • xml-js:

    Opt for xml-js if you prefer a simple and straightforward library for converting XML to JSON and vice versa. It is easy to use and integrates well with Node.js applications, making it a good choice for projects that require basic XML handling without additional complexity.

  • xml2json:

    Choose xml2json if you are looking for a simple and efficient way to convert XML to JSON format. It is particularly useful for applications that need to process XML data quickly and convert it into a more manageable JSON structure.

  • libxmljs:

    Select libxmljs if you require a comprehensive XML parsing library that supports XPath, XSLT, and schema validation. It is ideal for complex XML manipulations and when you need to ensure compliance with XML standards. This library is suitable for server-side applications where robust XML processing is necessary.

Similar Npm Packages to fast-xml-parser

fast-xml-parser is a lightweight and efficient XML parser for JavaScript and Node.js applications. It allows developers to quickly convert XML data into JavaScript objects, making it easier to manipulate and work with XML data in a more familiar format. With its focus on performance and ease of use, fast-xml-parser is a popular choice for projects that require XML parsing capabilities. However, there are several alternatives available that also provide XML parsing functionalities. Here are a few notable ones:

  • xml-js is a library that converts XML to JavaScript objects and vice versa. It provides a straightforward API for parsing XML and serializing JavaScript objects back into XML format. xml-js is particularly useful for projects that require bidirectional conversion between XML and JavaScript, making it a versatile choice for developers who need to handle both parsing and serialization.
  • xml-parser is a simple and efficient XML parser that focuses on providing a minimalistic approach to parsing XML data. It converts XML into a JavaScript object and is designed for ease of use, making it a good option for developers who need a straightforward solution without the overhead of additional features. If you are looking for a lightweight parser that gets the job done without any frills, xml-parser is a solid choice.
  • xml2js is a widely used XML to JavaScript object converter that offers a rich set of features. It provides options for customizing the parsing process, including handling attributes, preserving namespaces, and more. xml2js is suitable for projects that require more control over the parsing process and need to handle complex XML structures. Its flexibility makes it a popular choice among developers working with XML data.

To see how fast-xml-parser compares with xml-js, xml-parser, and xml2js, check out the comparison: Comparing fast-xml-parser vs xml-js vs xml-parser vs xml2js.

Similar Npm Packages to xml2js

xml2js is a popular Node.js library that allows developers to parse XML into JavaScript objects and vice versa. It provides a simple and straightforward API for converting XML data into a more manageable format, making it easier to work with in JavaScript applications. While xml2js is widely used, there are other libraries available that offer similar functionality. Here are a few alternatives:

  • fast-xml-parser is a high-performance XML parser that is designed to be fast and lightweight. It provides a simple API for parsing XML into JavaScript objects and can handle large XML files efficiently. One of the standout features of fast-xml-parser is its ability to validate XML against a schema, which can be beneficial for ensuring data integrity. If performance is a critical factor in your application and you need a parser that can handle large datasets quickly, fast-xml-parser is an excellent choice.
  • xml-js is another library that converts XML to JavaScript objects and vice versa. It focuses on simplicity and ease of use, providing a clear API for developers. xml-js supports various options for customizing the conversion process, allowing you to tailor the output to your specific needs. If you are looking for a straightforward solution for XML parsing without the need for advanced features, xml-js is a solid option.

To see how xml2js compares with fast-xml-parser and xml-js, check out the comparison: Comparing fast-xml-parser vs xml-js vs xml2js.

Similar Npm Packages to xml-js

xml-js is a popular npm package that provides a simple and efficient way to convert XML data to JavaScript objects and vice versa. This library is particularly useful for developers who need to work with XML data in their applications, allowing for easy manipulation and access to the data structure. With its straightforward API, xml-js can be integrated seamlessly into various JavaScript projects, making it a go-to choice for XML parsing and serialization.

While xml-js is a solid option for XML processing, there are other libraries that offer similar functionality. Here are a couple of alternatives:

  • fast-xml-parser is a lightweight and fast XML parser that focuses on performance. It is designed to handle large XML files efficiently and provides a simple API for converting XML to JSON and vice versa. fast-xml-parser supports various features such as attribute parsing, tag name conversion, and customizable options, making it a versatile choice for developers looking for speed and flexibility in XML processing.
  • xml2js is another widely used library for parsing XML into JavaScript objects. It offers a straightforward API and is known for its ease of use. xml2js allows for customizable parsing options, enabling developers to tailor the conversion process to their specific needs. It is a great choice for those who require a reliable and well-established library for XML parsing in their applications.

To compare these libraries and see how they stack up against each other, check out the following link: Comparing fast-xml-parser vs xml-js vs xml2js.

Similar Npm Packages to xml2json

xml2json is a popular npm package that allows developers to convert XML data into JSON format. This conversion is essential for web applications that need to process XML data more easily, as JSON is often more manageable and compatible with JavaScript. While xml2json is a solid choice for XML to JSON conversion, there are several alternatives available that offer different features and capabilities. Here are a few noteworthy options:

  • fast-xml-parser is a high-performance XML parser that can convert XML to JSON and vice versa. It is designed for speed and efficiency, making it suitable for applications that require quick parsing of large XML files. Fast-xml-parser supports various features such as attribute parsing, tag value extraction, and customizable parsing options, making it a versatile choice for developers who need robust XML handling capabilities.

  • libxmljs is a powerful library for parsing XML and HTML documents. It provides a comprehensive API for manipulating XML data and supports XPath queries, making it a great choice for applications that require complex XML processing. While libxmljs is more heavyweight compared to other options, its extensive features make it suitable for projects that need advanced XML manipulation and querying capabilities.

  • xml-js is a simple and straightforward library for converting XML to JSON and vice versa. It focuses on ease of use and provides a clean API for developers who want to quickly convert XML data without dealing with complex configurations. Xml-js is a great option for smaller projects or for developers who need a lightweight solution for basic XML to JSON conversions.

  • xml2js is another widely used library for converting XML to JSON. It offers a simple API and supports various parsing options, allowing developers to customize the output JSON structure. Xml2js is particularly useful for projects that require flexibility in how XML data is represented in JSON format.

To see how xml2json compares with fast-xml-parser, libxmljs, xml-js, and xml2js, check out the comparison: Comparing fast-xml-parser vs libxmljs vs xml-js vs xml2js vs xml2json.

Similar Npm Packages to libxmljs

libxmljs is a powerful XML parsing and manipulation library for Node.js. It provides a comprehensive set of features for working with XML documents, including parsing, validation, and XPath support. With its C++ bindings, libxmljs is known for its performance and efficiency, making it a popular choice for applications that require robust XML processing capabilities. However, there are several alternatives available in the Node.js ecosystem that also provide XML parsing and manipulation functionalities. Here are a few notable ones:

  • fast-xml-parser is a lightweight and fast XML parser that is designed to be simple and efficient. It supports both XML to JSON conversion and JSON to XML conversion, making it versatile for various use cases. fast-xml-parser is particularly useful when performance is a priority, as it is optimized for speed and can handle large XML files with ease. If you need a quick and efficient solution for parsing XML without the overhead of more complex libraries, fast-xml-parser is an excellent choice.
  • libxmljs2 is a fork of the original libxmljs library, designed to provide improved performance and compatibility with modern Node.js versions. It retains many of the features of libxmljs, such as XPath support and validation, while also addressing some of the limitations of its predecessor. If you are looking for a more up-to-date version of libxmljs with similar capabilities, libxmljs2 is worth considering.
  • sax is a streaming XML parser that is designed for performance and low memory usage. Unlike other libraries that load the entire XML document into memory, sax parses XML in a streaming fashion, making it suitable for processing large XML files. If you need to handle XML data in a memory-efficient way and are comfortable working with event-driven programming, sax is a great option.
  • xml2js is a simple and easy-to-use XML to JavaScript object converter. It allows you to parse XML documents into JavaScript objects and vice versa. xml2js is particularly useful for applications that require straightforward XML parsing without the need for advanced features like XPath. If you are looking for a library that simplifies XML handling in a user-friendly manner, xml2js is a solid choice.
  • xmlbuilder is a library for building XML documents in a programmatic way. It provides a simple API for creating XML structures, making it easy to generate XML from JavaScript objects. If your application requires generating XML rather than just parsing it, xmlbuilder is a great tool to have in your toolkit.
  • xmldom is a DOM implementation for XML documents in JavaScript. It allows you to parse XML into a DOM structure, enabling you to manipulate XML documents using standard DOM methods. If you prefer working with XML in a DOM-like manner and need to perform complex manipulations, xmldom is a suitable option.

To explore how these packages compare, visit: Comparing fast-xml-parser vs libxmljs vs libxmljs2 vs sax vs xml2js vs xmlbuilder vs xmldom.

README for fast-xml-parser

fast-xml-parser

NPM total downloads

Validate XML, Parse XML to JS Object, or Build XML from JS Object without C/C++ based libraries and no callback.

FXP logo
  • Validate XML data syntactically. Use detailed-xml-validator to verify business rules.
  • Parse XML to JS Objectand vice versa
  • Common JS, ESM, and browser compatible
  • Faster than any other pure JS implementation.

It can handle big files (tested up to 100mb). XML Entities, HTML entities, and DOCTYPE entites are supported. Unpaired tags (Eg <br> in HTML), stop nodes (Eg <script> in HTML) are supported. It can also preserve Order of tags in JS object

Your Support, Our Motivation

Try out our New Thoughts

We've recently launched Flowgger Flowgger Logging Framework

Don't forget to check our new library Text2Chart that constructs flow chart out of simple text. Very helpful in creating or alayzing an algorithm, and documentation purpose.

Financial Support

Sponsor this project

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fxp_sponsors

This is a donation. No goods or services are expected in return. Any requests for refunds for those purposes will be rejected.

Users

more

The list of users are mostly published by Github or communicated directly. Feel free to contact if you find any information wrong.

More about this library

How to use

To use as package dependency $ npm install fast-xml-parser or $ yarn add fast-xml-parser

To use as system command $ npm install fast-xml-parser -g

To use it on a webpage include it from a CDN

Example

As CLI command

$ fxparser some.xml

In a node js project

const { XMLParser, XMLBuilder, XMLValidator} = require("fast-xml-parser");

const parser = new XMLParser();
let jObj = parser.parse(XMLdata);

const builder = new XMLBuilder();
const xmlContent = builder.build(jObj);

In a HTML page

<script src="path/to/fxp.min.js"></script>
:
<script>
  const parser = new fxparser.XMLParser();
  parser.parse(xmlContent);
</script>

Bundle size

| Bundle Name | Size | | ------------------ | ---- | | fxbuilder.min.js | 6.5K | | fxparser.min.js | 20K | | fxp.min.js | 26K | | fxvalidator.min.js | 5.7K |

Documents

v3v4 and v5v6
documents
  1. Getting Started
  2. XML Parser
  3. XML Builder
  4. XML Validator
  5. Entities
  6. HTML Document Parsing
  7. PI Tag processing
  1. Getting Started
  2. Features
  3. Options
  4. Output Builders
  5. Value Parsers

note:

  • Version 6 is released with version 4 for experimental use. Based on it's demand, it'll be developed and the features can be different in final release.
  • Version 5 has the same functionalities as version 4.

Performance

negative means error

XML Parser

  • Y-axis: requests per second
  • X-axis: File size

XML Builder

* Y-axis: requests per second

Usage Trend

Usage Trend of fast-xml-parser

NPM Usage Trend of fast-xml-parser

Supporters

Contributors

This project exists thanks to all the people who contribute. [Contribute].

Backers from Open collective

Thank you to all our backers! 🙏 [Become a backer]

License

  • MIT License

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