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Package

crc

Module for calculating Cyclic Redundancy Check (CRC) for Node.js and the browser.

v4.3.2, 31 Jan 2023MITESM + CommonJSTypes: Bundled
$ npm install crc
npmGitHubHomepage

Key numbers

As of 25 Sept 2026
Weekly downloads
2.9m
+21% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
3 years ago
v4.3.2
GitHub stars
367
71 forks
Open issues / PRs
6 / 1
Contributors
-
Commits, last 52 weeks
0

Downloads

Last week 2026-09-15 to 2026-09-21
02m4m6mSept 2025Mar 2026Sept 2026High 4.1m (16 Jun 2026)Low 1.4m (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.

2,906,784 downloads last week. The 12-month change of +21% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
030 in total
Latest version
4.3.2, 31 Jan 20233 years ago
First published
19 Dec 2010
Last push to GitHub
26 Mar 2024912 days before the snapshot
Repository archived
No
Open issues
6
Open pull requests
1
Commits, last 52 weeks
0
Dependents on npm
-

Major versions

  1. v4 first release 4.0.0, 21 Dec 2021
  2. v3 first release 3.0.0, 13 Sept 2014
  3. v2 first release 2.0.0, 22 May 2014
  4. v1 first release 1.0.0, 25 Mar 2014
  5. v0 first release 0.1.0, 19 Dec 2010

Recent releases

VersionPublished
4.3.231 Jan 2023
4.3.119 Jan 2023
4.3.019 Jan 2023
4.2.016 Dec 2022
4.1.18 Apr 2022
4.1.01 Jan 2022
4.0.021 Dec 2021
3.8.026 Jul 2018
3.7.015 Jul 2018
3.6.013 Jul 2018
3.5.025 Sept 2017
3.4.412 Dec 2016
3.4.322 Nov 2016
3.4.221 Nov 2016

Compatibility

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
>=12
Runtimes
-
Unpacked size (npm)
103 kB
Dependencies (0)
None
Peer dependencies (1)
buffer

Install

npm install crc

CDN

jsDelivr: 78k requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/crc@4.3.2/
  • unpkghttps://unpkg.com/crc@4.3.2/
  • esm.shhttps://esm.sh/crc@4.3.2
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

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