Package

isurl

Determine whether a value is a URL instance.

v5.0.0, 26 Aug 2026MITESM onlyTypes: NoneURLs and query strings

$ npm install isurl

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 1.8m; +7% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 3; Direct, from package.json
Last release: 29 days ago; v5.0.0
GitHub stars: 12; 5 forks
Open issues / PRs: 0 / 0
Contributors: -
Commits, last 52 weeks: 1

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.

1,833,217 downloads last week, 8,240,934 in the last month. The 12-month change of +7% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 17 in total
Latest version: 5.0.0, 26 Aug 202629 days ago
First published: 21 Feb 2017
Last push to GitHub: 26 Aug 202629 days before the snapshot
Repository archived: No
Open issues: 0
Open pull requests: 0
Commits, last 52 weeks: 1
Dependents on npm: 61

Major versions

v5 first release 5.0.0, 26 Aug 2026
v4 first release 4.0.0, 7 Jan 2019
v3 first release 3.0.0, 7 Jan 2019
v2 first release 2.0.0, 28 Nov 2018
v1 first release 1.0.0, 29 Jun 2017

Recent releases

Version	Published
5.0.0	26 Aug 2026
4.0.2	27 Feb 2021
4.0.1	22 Apr 2019
4.0.0	7 Jan 2019
3.0.0	7 Jan 2019
2.0.0	28 Nov 2018
1.0.0	29 Jun 2017

Compatibility

Module format: ESM onlyFrom package.json type, main and exports fields
TypeScript types: None
Node.js engine range: >= 22
Runtimes: -
Unpacked size (npm): 9.3 kB
Dependencies (3): is-objecthas-tostringtagis-urlsearchparams

Install

npm install isurl

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/isurl@5.0.0/
unpkghttps://unpkg.com/isurl@5.0.0/
esm.shhttps://esm.sh/isurl@5.0.0

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
@oozcitak/url An implementation of the URL Living Standard	15.7m	-	7 months ago	CommonJS	-
parseuri Mighty but tiny URI parser	2m	-	2 years ago	ESM only	-
urlgrey urlgrey is a library for url querying and manipulation	443.3k	-	2 years ago	CommonJS	-
parse-uri Lightweight module for parsing an URI	134.8k	-	5 months ago	CommonJS	-
@jsonurl/jsonurl JSON->URL defines a text format for the JSON data model suitable for use within a URL/URI (as described by RFC3986).	58.2k	-	2 years ago	CommonJS	-
url-regex Regular expression for matching URLs	307k	-	7 years ago	-	-
native-url Brings the node url api layer to whatwg-url class	745.9k	-	6 years ago	ESM + CommonJS	-

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

Indexability: Indexed.