# [fast-xml-parser](https://www.npmjs.com/package/fast-xml-parser) [![NPM quality][quality-image]][quality-url] [![Coverage Status](https://coveralls.io/repos/github/NaturalIntelligence/fast-xml-parser/badge.svg?branch=master)](https://coveralls.io/github/NaturalIntelligence/fast-xml-parser?branch=master) [

](https://naturalintelligence.github.io/fast-xml-parser/) [![NPM total downloads](https://img.shields.io/npm/dt/fast-xml-parser.svg)](https://npm.im/fast-xml-parser) Validate XML, Parse XML to JS Object, or Build XML from JS Object without C/C++ based libraries and no callback. ---

I had recently published a book, The Power Glasses. Please have a look. Your feedback would be helpful. You can [mail](githubissues@proton.me) me for a free copy.
Sponsor this project

![fxp_sponsors](https://github.com/NaturalIntelligence/fast-xml-parser/assets/7692328/c9367497-d67e-410a-90a6-66e3808be929) ## Users

[more](./USERs.md) 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 `
` in HTML), stop nodes (Eg ` : ``` Bundle size | Bundle Name | Size | | ------------------ | ---- | | fxbuilder.min.js | 6.5K | | fxparser.min.js | 20K | | fxp.min.js | 26K | | fxvalidator.min.js | 5.7K | ### Documents

v3	v4	v5
documents	Getting Started XML Parser XML Builder XML Validator Entities HTML Document Parsing PI Tag processing	Getting Started Features Options Output Builders 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](https://npm-compare.com/fast-xml-parser#timeRange=THREE_YEARS)

## Supporters ### Contributors This project exists thanks to [all](graphs/contributors) the people who contribute. [[Contribute](docs/CONTRIBUTING.md)].

### Backers Thank you to all our backers! 🙏 [[Become a backer](https://opencollective.com/fast-xml-parser#backer)]

# License * MIT License ![Donate $5](static/img/donation_quote.png)

c	File Name	Size	files	T	Date
zip	src/	159873	40	---	2025-08-07 14:07:36
-	CHANGELOG.md	22018		md	2025-12-12 11:42:11
-	LICENSE	1073		%	2025-12-12 11:42:11
-	README.md	11920		md	2025-12-12 11:42:11
-	package.json	1956		json	2025-12-12 11:42:11

🌲 / fvtt13 node_modules fast-xml-parser

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