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ssl-checker

Zero-dependency SSL/TLS certificate checker for Node.js — HTTPS, SMTP, IMAP, POP3, FTP via STARTTLS

v3.0.1, 23 Apr 2026MITESM + CommonJSTypes: BundledCLI tools and terminal utilitiesSecurity
$ npm install ssl-checker

Key numbers

As of 25 Sept 2026
Weekly downloads
11k
+250% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
5 months ago
v3.0.1
GitHub stars
113
32 forks
Open issues / PRs
0 / 5
Contributors
-
Commits, last 52 weeks
5

Downloads

Last week 2026-09-15 to 2026-09-21
010k20k30k40kSept 2025Mar 2026Sept 2026High 30.3k (18 Aug 2026)Low 4.6k (7 Oct 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

11,007 downloads last week, 74,453 in the last month. The 12-month change of +250% compares the average of the last 4 weeks with the first 4 weeks of the series.

Releases, last 12 months
-
Latest version
3.0.1, 23 Apr 20265 months ago
First published
-
Last push to GitHub
7 Jul 202680 days before the snapshot
Repository archived
No
Open issues
0
Open pull requests
5
Commits, last 52 weeks
5
Dependents on npm
16

Major versions

-

Recent releases

-

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>=20
Runtimes
-
Unpacked size (npm)
55 kB
Dependencies (0)
None
npm install ssl-checker
  • jsDelivrhttps://cdn.jsdelivr.net/npm/ssl-checker@3.0.1/
  • unpkghttps://unpkg.com/ssl-checker@3.0.1/
  • esm.shhttps://esm.sh/ssl-checker@3.0.1
PackageWeekly downloadsGzipLast releaseModuleComparison
@socketsecurity/socket-patch50.8k-28 days agoESM + CommonJS-
skillcap-lock6.9k-1 month agoESM only-
@hasna/hooks16.5k-todayESM only-
delivery-intel76k-14 days agoESM only-
health259.2k--CommonJS-
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.