XML Parsing Libraries for Node.js Comparison
fast-xml-parser vs xml2js vs xml-js vs xml-parser
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fast-xml-parserxml2jsxml-jsxml-parser
What's XML Parsing Libraries for Node.js?

XML parsing libraries are essential tools for developers working with XML data in Node.js applications. They provide functionalities to convert XML into JavaScript objects and vice versa, enabling easier manipulation and access to data. These libraries cater to various needs, from performance optimization to ease of use, making them suitable for different types of projects. Understanding the unique features of each library helps developers choose the right tool for their specific XML processing requirements.

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fast-xml-parser25,918,9302,610174 kB627 days agoMIT
xml2js21,168,8144,9103.44 MB245a year agoMIT
xml-js2,041,5541,297-1236 years agoMIT
xml-parser74,975102-910 years agoMIT
Feature Comparison: fast-xml-parser vs xml2js vs xml-js vs xml-parser

Performance

  • fast-xml-parser:

    fast-xml-parser is designed for high performance, making it one of the fastest XML parsers available. It uses a streaming approach to handle large XML files efficiently, minimizing memory usage and processing time.

  • xml2js:

    xml2js is slower compared to other libraries due to its comprehensive feature set and flexibility. It is best suited for applications where performance is not the primary concern, but detailed parsing capabilities are required.

  • xml-js:

    xml-js offers decent performance for most use cases, but it may not be as fast as fast-xml-parser when dealing with very large XML documents. It balances performance with ease of use, making it suitable for smaller to medium-sized XML files.

  • xml-parser:

    xml-parser is lightweight and optimized for speed, but it may lack some advanced features found in other libraries. It is best for simple XML parsing tasks where performance is a concern.

Ease of Use

  • fast-xml-parser:

    fast-xml-parser provides a simple and intuitive API, making it easy for developers to get started quickly. Its straightforward methods allow for rapid implementation without a steep learning curve.

  • xml2js:

    xml2js has a more complex API due to its extensive configuration options. While it offers powerful features, it may require a bit more time to learn and understand compared to simpler libraries.

  • xml-js:

    xml-js is user-friendly and designed for quick conversions between XML and JSON. Its API is simple, making it accessible for developers who may not be familiar with XML parsing.

  • xml-parser:

    xml-parser is minimalistic and easy to use, focusing on basic parsing functionality. It is ideal for developers who need a no-frills approach to XML parsing without complex configurations.

Flexibility

  • fast-xml-parser:

    fast-xml-parser is flexible in handling various XML structures and allows for customization of the parsing process. It supports multiple options for parsing, enabling developers to tailor it to their specific needs.

  • xml2js:

    xml2js is highly flexible, offering extensive options for parsing and converting XML. It supports complex XML structures and allows for detailed customization, making it suitable for advanced use cases.

  • xml-js:

    xml-js is versatile, allowing for easy conversion between XML and JSON formats. It supports various XML structures, making it adaptable for different applications.

  • xml-parser:

    xml-parser is straightforward and focuses on basic parsing without extensive customization options. It is best for projects that require simple XML parsing without the need for complex configurations.

Error Handling

  • fast-xml-parser:

    fast-xml-parser includes built-in error handling features that help identify parsing issues quickly. It provides informative error messages, making debugging easier for developers.

  • xml2js:

    xml2js provides comprehensive error handling, allowing developers to manage parsing errors effectively. Its detailed error messages help in diagnosing issues during XML processing.

  • xml-js:

    xml-js has basic error handling capabilities, but it may not provide as much detail as other libraries. It is suitable for simple applications where extensive error handling is not critical.

  • xml-parser:

    xml-parser offers minimal error handling, focusing on straightforward parsing tasks. It may not be ideal for applications that require robust error management.

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 popularity is increasing due to its performance benefits.

  • xml2js:

    xml2js has a large community and extensive documentation, making it a well-supported choice for developers. Its popularity ensures that developers can find help and resources easily.

  • xml-js:

    xml-js has a moderate community presence, with sufficient documentation and examples available. It is suitable for developers seeking a straightforward solution without extensive community support.

  • xml-parser:

    xml-parser is less popular than some alternatives, which may result in limited community support. However, its simplicity can be an advantage for quick projects.

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

    Choose fast-xml-parser if you need a lightweight and high-performance XML parser that can handle large XML files efficiently. It offers a straightforward API and is particularly useful for applications where speed is a priority.

  • xml2js:

    Choose xml2js if you need a comprehensive solution with extensive configuration options for parsing XML. It is well-suited for projects that require detailed control over the parsing process and support for complex XML structures.

  • xml-js:

    Select xml-js if you require a simple and versatile library that can convert XML to JSON and vice versa. It is easy to use and provides good support for various XML structures, making it suitable for quick conversions.

  • xml-parser:

    Opt for xml-parser if you need a minimalistic and straightforward parser that focuses on simplicity and ease of use. It is ideal for projects where you want to quickly parse XML without additional overhead.

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 xml-parser

xml-parser is a lightweight JavaScript library designed for parsing XML data into a JavaScript object format. It provides a simple and efficient way to handle XML data, making it easier for developers to work with XML in their applications. While xml-parser is a solid choice for XML parsing, there are several alternatives in the ecosystem that offer similar functionalities. Here are a few noteworthy options:

  • fast-xml-parser is a high-performance XML parser that is designed to be both fast and lightweight. It can parse XML strings into JavaScript objects and supports various features like attribute parsing, XML to JSON conversion, and validation. If performance is a critical factor for your application, fast-xml-parser is an excellent alternative that provides a balance between speed and ease of use.
  • xml-js is another popular library that converts XML to JavaScript objects and vice versa. It offers a straightforward API and supports various options for customizing the parsing process, such as handling attributes and text nodes. If you need a library that can seamlessly convert between XML and JSON formats, xml-js is a great choice that provides flexibility and ease of integration.
  • xml2js is a widely-used XML parser that converts XML data into JavaScript objects. It is known for its simplicity and ease of use, making it a popular choice among developers. xml2js provides a variety of options for customizing the parsing process, including the ability to handle attributes and control the output format. If you are looking for a well-established library with a robust feature set, xml2js is a reliable option.

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

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.

ads-thePowerGlassesBook I had recently published a book, The Power Glasses. Please have a look. Your feedback would be helpful. You can mail me for a free copy.

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fxp_sponsors Hiroki Kokubun

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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