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ssri

Standard Subresource Integrity library -- parses, serializes, generates, and verifies integrity metadata according to the SRI spec.

v14.0.0, 8 May 2026ISCCommonJSTypes: NoneSecurity
$ npm install ssri
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Key numbers

As of 25 Sept 2026
Weekly downloads
35.7m
+15% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
1
Direct, from package.json
Last release
4 months ago
v14.0.0
GitHub stars
60
29 forks
Open issues / PRs
1 / 0
Contributors
17
Commits, last 52 weeks
25

Downloads

Last week 2026-09-15 to 2026-09-21
020m40m60m80mSept 2025Mar 2026Sept 2026High 69.7m (16 Jun 2026)Low 16.9m (23 Dec 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

35,658,261 downloads last week, 160,268,689 in the last month. The 12-month change of +15% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
344 in total
Latest version
14.0.0, 8 May 20264 months ago
First published
23 Mar 2017
Last push to GitHub
18 Jun 202698 days before the snapshot
Repository archived
No
Open issues
1
Open pull requests
0
Commits, last 52 weeks
25
Dependents on npm
641

Major versions

  1. v14 first release 14.0.0, 8 May 2026
  2. v13 first release 13.0.0, 22 Oct 2025
  3. v12 first release 12.0.0, 25 Sept 2024
  4. v11 first release 11.0.0, 3 Sept 2024
  5. v10 first release 10.0.0, 14 Oct 2022
  6. v9 first release 9.0.0, 5 Apr 2022
  7. v8 first release 8.0.0, 18 Feb 2020
  8. v7 first release 7.0.0, 18 Sept 2019
  9. v6 first release 6.0.0, 9 Apr 2018
  10. v5 first release 5.0.0, 23 Oct 2017
  11. v4 first release 4.0.0, 3 Apr 2017
  12. v3 first release 3.0.0, 3 Apr 2017
  13. v2 first release 2.0.0, 24 Mar 2017
  14. v1 first release 1.0.0, 23 Mar 2017
  15. v0 first release 0.0.0, 23 Mar 2017

Recent releases

VersionPublished
14.0.08 May 2026
13.0.19 Feb 2026
13.0.022 Oct 2025
12.0.025 Sept 2024
11.0.03 Sept 2024
10.0.64 May 2024
10.0.514 Aug 2023
10.0.426 Apr 2023
10.0.311 Apr 2023
10.0.24 Apr 2023
10.0.17 Dec 2022
10.0.014 Oct 2022
9.0.119 May 2022
9.0.05 Apr 2022

Compatibility

Module format
CommonJSFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
^22.22.2 || ^24.15.0 || >=26.0.0
Runtimes
-
Unpacked size (npm)
38 kB
Dependencies (1)
minipass

Install

npm install ssri

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/ssri@14.0.0/
  • unpkghttps://unpkg.com/ssri@14.0.0/
  • esm.shhttps://esm.sh/ssri@14.0.0
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.