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Package

fast-xml-builder

Build XML from JSON without C/C++ based libraries

v1.3.1, 14 Aug 2026MITESM + CommonJSTypes: BundledParsers and serialisers
$ npm install fast-xml-builder

Key numbers

As of 25 Sept 2026
Weekly downloads
33.2m
- over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
2
Direct, from package.json
Last release
1 month ago
v1.3.1
GitHub stars
21
8 forks
Open issues / PRs
5 / 6
Contributors
4
Commits, last 52 weeks
45

Downloads

Last week 2026-09-15 to 2026-09-21
020m40m60mSept 2025Mar 2026Sept 2026High 48.7m (16 Jun 2026)Low 0 (23 Sept 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

33,204,970 downloads last week, 161,789,106 in the last month. No 52-week series has been fetched yet.

Releases, last 12 months
1515 in total
Latest version
1.3.1, 14 Aug 20261 month ago
First published
25 Feb 2026
Last push to GitHub
19 Aug 202636 days before the snapshot
Repository archived
No
Open issues
5
Open pull requests
6
Commits, last 52 weeks
45
Dependents on npm
78

Major versions

  1. v1 first release 1.0.0, 25 Feb 2026

Recent releases

VersionPublished
1.3.114 Aug 2026
1.3.011 Jul 2026
1.2.13 Jul 2026
1.2.08 May 2026
1.1.96 May 2026
1.1.85 May 2026
1.1.74 May 2026
1.1.64 May 2026
1.1.517 Apr 2026
1.1.416 Mar 2026
1.1.313 Mar 2026
1.1.211 Mar 2026
1.1.111 Mar 2026
1.1.010 Mar 2026
Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
219 kB
Dependencies (2)
xml-namingpath-expression-matcher
npm install fast-xml-builder

CDN

jsDelivr: 588.5k requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/fast-xml-builder@1.3.1/
  • unpkghttps://unpkg.com/fast-xml-builder@1.3.1/
  • esm.shhttps://esm.sh/fast-xml-builder@1.3.1
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.