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Package

c2pa

SDK for the core C2PA (Coalition for Content Provenance and Authenticity) specification

v0.30.17MITESM onlyTypes: Bundled
$ npm install c2pa
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Deprecated on npm
This package is no longer being actively developed. Please use @contentauth/c2pa-web instead.

Key numbers

As of 25 Sept 2026
Weekly downloads
2.5k
+92% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
7
Direct, from package.json
Last release
-
v0.30.17
GitHub stars
100
43 forks
Open issues / PRs
47 / 12
Contributors
-
Commits, last 52 weeks
8

Downloads

Last week 2026-09-15 to 2026-09-21
02k4k6kSept 2025Mar 2026Sept 2026High 5.6k (4 Aug 2026)Low 1.3k (11 Nov 2025)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

2,464 downloads last week. The 12-month change of +92% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
-
Latest version
0.30.17
First published
-
Last push to GitHub
7 Nov 2025321 days before the snapshot
Repository archived
No
Open issues
47
Open pull requests
12
Commits, last 52 weeks
8
Dependents on npm
-

Major versions

-

Recent releases

-

Compatibility

Module format
ESM onlyFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
Not declared
Runtimes
-
Unpacked size (npm)
9.5 MB
Dependencies (7)
debuglodashp-propstraversemake-error@contentauth/toolkit@contentauth/detector

Install

npm install c2pa

CDN

jsDelivr: 43.3m requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/c2pa@0.30.17/
  • unpkghttps://unpkg.com/c2pa@0.30.17/
  • esm.shhttps://esm.sh/c2pa@0.30.17
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): deprecated; downloads_week 2464 < 10000; no category.