Key numbers
As of 25 Sept 2026
- Weekly downloads
- 20.3m
- +122% over 12 months
- Gzip bundle size
- -
- No Bundlephobia data
- Dependencies
- 1
- Direct, from package.json
- Last release
- 10 years ago
- v0.1.4
- GitHub stars
- 70
- 22 forks
- Open issues / PRs
- 5 / 1
- Contributors
- -
- Commits, last 52 weeks
- 0
Downloads
Last week 2026-09-15 to 2026-09-21
20,262,368 downloads last week, 98,019,865 in the last month. The 12-month change of +122% compares the average of the last 4 weeks with the first 4 weeks of the series.
- Releases, last 12 months
- 07 in total
- Latest version
- 0.1.4, 8 Nov 201510 years ago
- First published
- 11 Sept 2013
- Last push to GitHub
- 24 Apr 20202,344 days before the snapshot
- Repository archived
- No
- Open issues
- 5
- Open pull requests
- 1
- Commits, last 52 weeks
- 0
- Dependents on npm
- 270
Major versions
- v0 first release 0.0.1, 11 Sept 2013
Recent releases
| Version | Published |
|---|---|
| 0.1.4 | 8 Nov 2015 |
| 0.1.3 | 8 Nov 2015 |
| 0.1.2 | 17 Oct 2015 |
| 0.1.1 | 17 Oct 2015 |
| 0.1.0 | 24 Sept 2015 |
| 0.0.2 | 21 Apr 2014 |
| 0.0.1 | 11 Sept 2013 |
- Module format
- -Not determined from package.json
- TypeScript types
- None
- Node.js engine range
- Not declared
- Runtimes
- -
- Unpacked size (npm)
- -
- Dependencies (1)
readable-stream
npm install duplexer2- jsDelivr
https://cdn.jsdelivr.net/npm/duplexer2@0.1.4/ - unpkg
https://unpkg.com/duplexer2@0.1.4/ - esm.sh
https://esm.sh/duplexer2@0.1.4
Indexability: Not indexed (discovery only): no category.