Package

buffer

Node.js Buffer API, for the browser

v6.0.3, 23 Nov 2020MITCommonJSTypes: BundledDOM and browser utilities

$ npm install buffer

npm GitHub Homepage

Key numbers

As of 25 Sept 2026

Weekly downloads: 123.4m; +66% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 2; Direct, from package.json
Last release: 5 years ago; v6.0.3
GitHub stars: 1.9k; 261 forks
Open issues / PRs: 44 / 14
Contributors: 74
Commits, last 52 weeks: 1

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

123,359,415 downloads last week, 587,975,720 in the last month. The 12-month change of +66% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 096 in total
Latest version: 6.0.3, 23 Nov 20205 years ago
First published: 7 Feb 2014
Last push to GitHub: 28 Oct 2025332 days before the snapshot
Repository archived: No
Open issues: 44
Open pull requests: 14
Commits, last 52 weeks: 1
Dependents on npm: 10,661

Major versions

v6 first release 6.0.0, 4 Nov 2020
v5 first release 5.0.0, 27 Sept 2016
v4 first release 4.0.0, 2 Jan 2016
v3 first release 3.0.0, 24 Dec 2014
v2 first release 2.1.1, 7 Feb 2014

Recent releases

Version	Published
6.0.3	23 Nov 2020
6.0.2	9 Nov 2020
6.0.1	4 Nov 2020
5.7.1	4 Nov 2020
6.0.0	4 Nov 2020
5.7.0	27 Oct 2020
5.6.1	23 Oct 2020
5.6.0	15 Apr 2020
5.5.0	6 Mar 2020
2.8.3	8 Nov 2019
3.6.2	8 Nov 2019
4.9.2	8 Nov 2019
5.4.3	12 Sept 2019
5.4.2	27 Aug 2019

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: Bundled
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 89 kB
Dependencies (2): ieee754base64-js

Install

npm install buffer

CDN

jsDelivr: 95.6k requests in 30 days

jsDelivrhttps://cdn.jsdelivr.net/npm/buffer@6.0.3/
unpkghttps://unpkg.com/buffer@6.0.3/
esm.shhttps://esm.sh/buffer@6.0.3

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
deep-extend Recursive object extending	33.8m	-	8 years ago	CommonJS	-
re2js RE2JS is the JavaScript port of RE2, a regular expression engine that provides linear time matching	5.1m	-	2 months ago	ESM + CommonJS	-

Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Indexed.