Package

portfinder

A simple tool to find an open port on the current machine

v1.0.38, 12 Sept 2025MITCommonJSTypes: Bundled

$ npm install portfinder

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 12.5m; +41% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 2; Direct, from package.json
Last release: 1 year ago; v1.0.38
GitHub stars: 899; 100 forks
Open issues / PRs: 4 / 1
Contributors: -
Commits, last 52 weeks: 0

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

12,498,934 downloads last week, 53,844,450 in the last month. The 12-month change of +41% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 043 in total
Latest version: 1.0.38, 12 Sept 20251 year ago
First published: 8 Jul 2011
Last push to GitHub: 21 Nov 2025307 days before the snapshot
Repository archived: No
Open issues: 4
Open pull requests: 1
Commits, last 52 weeks: 0
Dependents on npm: 2,310

Major versions

v1 first release 1.0.0, 3 Feb 2016
v0 first release 0.1.0, 8 Jul 2011

Recent releases

Version	Published
1.0.38	12 Sept 2025
1.0.37	28 Apr 2025
1.0.36	14 Apr 2025
1.0.35	14 Mar 2025
1.0.34	11 Mar 2025
1.0.33	26 Feb 2025
1.0.32	13 Aug 2022
1.0.31	13 Aug 2022
1.0.30	13 Aug 2022
1.0.29	6 Aug 2022
1.0.28	29 Jul 2020
1.0.27	20 Jul 2020
1.0.26	28 Apr 2020
1.0.25	15 Oct 2019

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: >= 10.12
Runtimes: -
Unpacked size (npm): 22 kB
Dependencies (2): asyncdebug

Install

npm install portfinder

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/portfinder@1.0.38/
unpkghttps://unpkg.com/portfinder@1.0.38/
esm.shhttps://esm.sh/portfinder@1.0.38

Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): no category.