Skip to content
JS
Package

pretty-format

Stringify any JavaScript value.

v30.5.1, 1 Sept 2026MITESM + CommonJSTypes: BundledTesting
$ npm install pretty-format
npmGitHubHomepage

Key numbers

As of 25 Sept 2026
Weekly downloads
161.2m
+43% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
4
Direct, from package.json
Last release
23 days ago
v30.5.1
GitHub stars
45.5k
6.7k forks
Open issues / PRs
139 / 72
Contributors
1,767
Commits, last 52 weeks
289

Downloads

Last week 2026-09-15 to 2026-09-21
0100m200m300mSept 2025Mar 2026Sept 2026High 218.4m (25 Aug 2026)Low 67.9m (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.

161,153,489 downloads last week, 716,310,737 in the last month. The 12-month change of +43% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
6142 in total
Latest version
30.5.1, 1 Sept 202623 days ago
First published
8 Mar 2015
Last push to GitHub
24 Sept 2026same day as the snapshot
Repository archived
No
Open issues
139
Open pull requests
72
Commits, last 52 weeks
289
Dependents on npm
1,584

Major versions

  1. v30 first release 30.0.0, 10 Jun 2025
  2. v29 first release 29.0.0, 25 Aug 2022
  3. v28 first release 28.0.0, 25 Apr 2022
  4. v27 first release 27.0.0, 25 May 2021
  5. v26 first release 26.0.0, 4 May 2020
  6. v25 first release 25.0.0, 22 Aug 2019
  7. v24 first release 24.0.0, 25 Jan 2019
  8. v23 first release 23.0.0, 24 May 2018
  9. v22 first release 22.0.0, 18 Dec 2017
  10. v21 first release 21.0.0, 4 Sept 2017
  11. v20 first release 20.0.0, 6 May 2017
  12. v19 first release 19.0.0, 21 Feb 2017
  13. v18 first release 18.0.0, 15 Dec 2016
  14. v4 first release 4.0.0, 11 Sept 2016
  15. v3 first release 3.0.0, 13 Jun 2016
  16. v2 first release 2.0.0, 1 Jun 2016
  17. v1 first release 1.0.0, 8 Mar 2015

Recent releases

VersionPublished
30.5.11 Sept 2026
30.5.028 Aug 2026
30.4.18 May 2026
30.4.07 May 2026
30.3.010 Mar 2026
30.2.028 Sept 2025
30.0.522 Jul 2025
30.0.219 Jun 2025
30.0.118 Jun 2025
30.0.010 Jun 2025
29.7.012 Sept 2023
29.6.321 Aug 2023
29.6.227 Jul 2023
29.6.16 Jul 2023

Compatibility

Module format
ESM + CommonJSFrom package.json type, main and exports fields
TypeScript types
Bundled
Node.js engine range
^18.14.0 || ^20.0.0 || ^22.0.0 || >=24.0.0
Runtimes
-
Unpacked size (npm)
60 kB
Dependencies (4)
ansi-styles@jest/schemas@jest/react-is-18@jest/react-is-19

Install

npm install pretty-format

CDN

jsDelivr: 77.2k requests in 30 days
  • jsDelivrhttps://cdn.jsdelivr.net/npm/pretty-format@30.5.1/
  • unpkghttps://unpkg.com/pretty-format@30.5.1/
  • esm.shhttps://esm.sh/pretty-format@30.5.1
Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.