Package

uglify-es

JavaScript parser, mangler/compressor and beautifier toolkit for ES6+

v3.3.9, 27 Jan 2018BSD-2-ClauseCommonJSTypes: NoneCompression and archives Polyfills and shims

$ npm install uglify-es

npm GitHub Homepage

Deprecated on npm

support for ECMAScript is superseded by `uglify-js` as of v3.13.0

Key numbers

As of 25 Sept 2026

Weekly downloads: 1.1m; -2% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 2; Direct, from package.json
Last release: 8 years ago; v3.3.9
GitHub stars: 13.4k; 1.2k forks
Open issues / PRs: 31 / 14
Contributors: 136
Commits, last 52 weeks: 0

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.

1,120,515 downloads last week, 3,412,147 in the last month. The 12-month change of -2% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 050 in total
Latest version: 3.3.9, 27 Jan 20188 years ago
First published: 9 May 2017
Last push to GitHub: 22 Nov 2024671 days before the snapshot
Repository archived: No
Open issues: 31
Open pull requests: 14
Commits, last 52 weeks: 0
Dependents on npm: -

Major versions

v3 first release 3.0.2, 9 May 2017

Recent releases

Version	Published
3.3.10	8 Feb 2018
3.3.9	27 Jan 2018
3.3.8	21 Jan 2018
3.3.7	14 Jan 2018
3.3.6	13 Jan 2018
3.3.5	7 Jan 2018
3.3.4	31 Dec 2017
3.3.3	28 Dec 2017
3.3.2	25 Dec 2017
3.3.1	25 Dec 2017
3.3.0	24 Dec 2017
3.2.2	10 Dec 2017
3.2.1	3 Dec 2017
3.2.0	25 Nov 2017

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: None
Node.js engine range: >=0.8.0
Runtimes: -
Unpacked size (npm): -
Dependencies (2): commandersource-map

Install

npm install uglify-es

CDN

jsDelivrhttps://cdn.jsdelivr.net/npm/uglify-es@3.3.9/
unpkghttps://unpkg.com/uglify-es@3.3.9/
esm.shhttps://esm.sh/uglify-es@3.3.9

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
grunt-terser Grunt plugin for A JavaScript parser, mangler/compressor and beautifier toolkit for ES6+.	17.4k	-	5 years ago	-	-
compression-streams-polyfill Lightweight polyfill/ponyfill for the Compression Streams API	36.6k	-	2 years ago	ESM + CommonJS	-

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

Indexability: Not indexed (discovery only): deprecated.