fast-xml-parser vs xml2js vs xml-js vs xmldom
XML Parsing Libraries for JavaScript Comparison
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fast-xml-parserxml2jsxml-jsxmldomSimilar Packages:
What's XML Parsing Libraries for JavaScript?

XML parsing libraries are essential tools in web development for converting XML data into JavaScript objects and vice versa. They facilitate the manipulation and retrieval of data from XML documents, which are commonly used in web services, configuration files, and data interchange formats. Each library offers unique features and performance characteristics, catering to different use cases and developer preferences. Understanding these differences can help developers choose the right library for their specific XML processing needs.

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fast-xml-parser28,758,4772,669174 kB678 hours agoMIT
xml2js23,232,4374,9123.44 MB2462 years agoMIT
xml-js2,336,0181,305-1236 years agoMIT
xmldom1,452,094378-294 years agoMIT
Feature Comparison: fast-xml-parser vs xml2js vs xml-js vs xmldom

Performance

  • fast-xml-parser:

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

  • xml2js:

    xml2js is generally slower than fast-xml-parser but offers more flexibility and features. Its performance is adequate for most applications, particularly when parsing complex XML documents that require customization.

  • xml-js:

    xml-js provides a balanced performance suitable for smaller XML files. While not as fast as fast-xml-parser, it offers reasonable efficiency for typical use cases without extensive overhead.

  • xmldom:

    xmldom's performance is comparable to other DOM parsers, but it may lag behind specialized parsers like fast-xml-parser in raw speed. However, it excels in scenarios where DOM manipulation is necessary.

Ease of Use

  • fast-xml-parser:

    fast-xml-parser has a simple and intuitive API, making it easy to integrate into projects. It requires minimal setup and provides straightforward methods for parsing and converting XML.

  • xml2js:

    xml2js has a slightly steeper learning curve due to its extensive options and configurations. However, once understood, it provides powerful capabilities for XML parsing and customization.

  • xml-js:

    xml-js is designed for simplicity, offering a clear API for converting between XML and JSON. Its ease of use makes it an excellent choice for developers who need quick XML handling without a steep learning curve.

  • xmldom:

    xmldom follows standard DOM methods, which makes it familiar to developers who have experience with web APIs. Its usage is straightforward for those accustomed to working with DOM elements.

Flexibility

  • fast-xml-parser:

    fast-xml-parser is less flexible than some other libraries, focusing primarily on performance. It has limited options for customizing the parsing process, which may not suit all use cases.

  • xml2js:

    xml2js is highly flexible, allowing developers to customize parsing options extensively. It supports various configurations for handling attributes, namespaces, and more, making it suitable for complex XML scenarios.

  • xml-js:

    xml-js offers basic flexibility for converting XML to JSON and vice versa, but it lacks advanced features for complex XML structures. It is best for straightforward XML documents.

  • xmldom:

    xmldom provides flexibility through standard DOM manipulation methods, allowing developers to traverse and modify XML documents easily. It is ideal for projects that require extensive XML document handling.

Community and Support

  • fast-xml-parser:

    fast-xml-parser has a growing community and is actively maintained, ensuring that developers can find support and updates as needed. Its performance focus has garnered interest among developers looking for speed.

  • xml2js:

    xml2js has a large user base and extensive documentation, making it easy to find help and resources. Its popularity ensures that it is well-supported and regularly updated.

  • xml-js:

    xml-js has a smaller community but provides sufficient documentation and examples to help users get started. It is suitable for simple projects where extensive community support is not critical.

  • xmldom:

    xmldom benefits from being part of the broader DOM ecosystem, which has a large community. It is well-documented, and developers familiar with the DOM will find it easy to use.

Compatibility

  • fast-xml-parser:

    fast-xml-parser is compatible with Node.js and modern browsers, making it versatile for various environments. Its lightweight nature ensures it can be used in performance-sensitive applications.

  • xml2js:

    xml2js is primarily designed for Node.js but can be used in browser environments with some additional configuration. Its flexibility makes it suitable for server-side applications.

  • xml-js:

    xml-js is also compatible with both Node.js and browsers, providing a straightforward solution for projects that need basic XML handling across environments.

  • xmldom:

    xmldom is designed to be compatible with Node.js and provides a DOM-compliant interface, making it ideal for applications that require standard DOM manipulation.

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

    Choose fast-xml-parser for its high performance and lightweight nature, especially when dealing with large XML files. It is designed for speed and efficiency, making it ideal for applications where performance is critical.

  • xml2js:

    Opt for xml2js if you require a robust and flexible solution for parsing XML. It offers a variety of options for customizing the parsing process and is well-suited for applications that need to handle complex XML structures.

  • xml-js:

    Select xml-js if you need a straightforward library that provides a simple API for converting XML to JSON and vice versa. It is user-friendly and suitable for projects that require basic XML manipulation without complex features.

  • xmldom:

    Use xmldom when you need a DOM-compliant XML parser that allows for standard DOM manipulation. It is particularly useful for projects that require compatibility with existing DOM APIs and need to work with XML as a document object.

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 xmldom

xmldom is a popular JavaScript library used for parsing and manipulating XML documents in Node.js and browser environments. It provides a DOM-like interface that allows developers to work with XML data in a way that is similar to how they would work with HTML documents. This makes it easier to traverse, modify, and serialize XML content. While xmldom is a solid choice for XML manipulation, there are several alternatives available that may better suit specific use cases. Here are a few notable alternatives:

  • fast-xml-parser is a high-performance XML parser that focuses on speed and efficiency. It can parse XML into JavaScript objects quickly and offers features such as validation, attribute conversion, and support for both XML and JSON formats. If performance is a critical factor for your application, fast-xml-parser is an excellent choice due to its lightweight nature and fast parsing capabilities.

  • xml-js is another library that converts XML to JavaScript objects and vice versa. It provides a simple API for parsing and stringifying XML, making it easy to work with XML data in JavaScript applications. xml-js is particularly useful if you need a straightforward solution for converting between XML and JSON formats without the overhead of a full DOM implementation.

  • xml2js is a widely-used library for converting XML to JavaScript objects and vice versa. It offers a flexible API that allows developers to customize the parsing process, including options for handling attributes, namespaces, and more. If you require a robust solution for XML parsing with extensive customization options, xml2js is a great option to consider.

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

README for fast-xml-parser

fast-xml-parser

[![NPM quality][quality-image]][quality-url] Coverage Status Try me NPM total downloads

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

Checkout our new library Text2Chart that constructs flow chart out of simple text. Very helpful in creating or alayzing an algorithm, and documentation purpose

Sponsor this project

donate button


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.

Main Features

FXP logo
  • Validate XML data syntactically
  • Parse XML to JS Object
  • Build XML from JS Object
  • Compatible to node js packages, in browser, and in CLI (click try me button above for demo)
  • Faster than any other pure JS implementation.
  • It can handle big files (tested up to 100mb).
  • Controlled parsing using various options
  • XML Entities, HTML entities, and DOCTYPE entites are supported.
  • unpaired tags (Eg <br> in HTML), stop nodes (Eg <script> in HTML) are supported.
  • You can restore almost same XML from JSON
  • Supports comments
  • It can preserve Order of tags in JS object
  • You can control if a single tag should be parsed into array.
  • Supports parsing of PI (Processing Instruction) tags with XML declaration tags
  • And many more other features.

v5

I developed v5 in Apr 2023. And I didn't get the chance to complete all the features. I've ensured that new features don't impact performance. With v5, you have more control on parsing output. Check docs for syntax help and basic understanding.

Please leave a comment in discussion forum for your suggestions and if you really need v5.

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

v3v4v5
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 5 is released with version 4 tfor experimental use. Based on it's demand, it'll be developed and the features can be different in final release.

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

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

License

  • MIT License

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