jszip

npmv3.10.1TypeScript

Create, read and edit .zip files with JavaScript http://stuartk.com/jszip

Not recommended for new projects

No — jszip should not be adopted for new projects. Last published 1499 days ago.

?Adoption: grade ?, Not reported by this registry.
No download data reported for this package yet.
FMaintenance: grade F, Failing.
Last published 1499 days ago.
AWeight: grade A, Excellent.
Pulls in 5 transitive packages, about 3.2 MB installed (at least — some of the tree is still being crawled).
ASupply chain: grade A, Excellent.
No install scripts, 3 maintainers, and a contained dependency surface.
ALicense: grade A, Excellent.
(MIT OR GPL-3.0-or-later) — permissive, with no copyleft found in the dependency tree.

Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.

Install cost

What you actually take on by adding jszip to a project.

Direct dependencies

Runtime packages this one declares itself.

Total installed

Distinct packages in the full runtime tree, deduplicated the way a package manager would.

3.2 MB

Install size

Unpacked size of this package plus its entire runtime tree.

Tree depth

Longest resolved dependency chain below this package.

Part of this dependency tree has not been crawled yet, so these figures are a lower bound rather than a final total.

Licenses in the dependency tree

(MIT AND Zlib)MIT

Every license you inherit by installing jszip, not just its own. Check this before a legal review, not after.

Compatibility

Node.js: No constraint declared
Module format: CommonJS only
TypeScript: Types included
Install scripts: None

Quick start

A usage example from the jszip README.

javascriptFull README ↗

const zip = new JSZip();

zip.file("Hello.txt", "Hello World\n");

const img = zip.folder("images");
img.file("smile.gif", imgData, {base64: true});

zip.generateAsync({type:"blob"}).then(function(content) {
    // see FileSaver.js
    saveAs(content, "example.zip");
});

/*
Results in a zip containing

Example truncated — see the full README.

jszip vs the alternatives

Packages solving a similar problem in the npm ecosystem, compared on the signals that drive an adoption decision.

Package	Weekly downloads	Dependents	License	Last release
jszipthis page	0	2	(MIT OR GPL-3.0-or-later)	4 years ago
fflate	53.5M	1	MIT	1 day ago
minizlib	0	2	MIT	1 day ago
pako	100.8M	2	(MIT AND Zlib)	1 day ago
lodash.zip	0	1	MIT	1 day ago
@zip.js/zip.js	0	2	BSD-3-Clause	1 day ago

Dependencies

Declared by jszip v3.10.1. Runtime dependencies are installed with the package; dev dependencies are not.

Runtime (4)

lie ~3.3.0 pako ~1.0.2readable-stream ~2.3.6setimmediate ^1.0.5

Dev (14)

benchmark ^2.1.4browserify ~13.0.0eslint ^8.18.0grunt ~0.4.1grunt-browserify ~5.0.0grunt-cli ~1.1.0grunt-contrib-uglify ~4.0.1http-server ^13.0.2jszip-utils ~0.0.2package-json-versionify 1.0.2playwright ^1.15.2qunit ~2.9.2tmp 0.0.28typescript ^4.6.3

Used by

Popular packages that depend on jszip.

fflatenpm

High performance (de)compression in an 8kB package

↓ 53.5M/wk◈ 1 dependents⚖ MITTS

webdriverionpm

Next-gen browser and mobile automation test framework for Node.js

↓ 0/wk◈ 3 dependents⚖ MITTS

Relationship graph

Dependencies (left) and dependents (right) of jszip.

jszip dependencies dependents

Frequently installed together

puppeteer-corenpm

A high-level API to control headless Chrome over the DevTools Protocol

↓ 0/wk◈ 2 dependents⚖ Apache-2.0TS

@types/nodenpm

TypeScript definitions for node

↓ 0/wk◈ 327 dependents⚖ MITTS

is-plain-objnpm

Check if a value is a plain object

↓ 112.9M/wk◈ 1 dependents⚖ MITTS

cheerionpm

The fast, flexible & elegant library for parsing and manipulating HTML and XML.

↓ 24.1M/wk◈ 5 dependents⚖ MITTS

css-shorthand-propertiesnpm

A simple list of CSS shorthand properties and which longhand properties they expand to

↓ 1M/wk◈ 1 dependents⚖ MIT

@wdio/replnpm

A WDIO helper utility to provide a repl interface for WebdriverIO

↓ 0/wk◈ 1 dependents⚖ MITTS

aria-querynpm

Programmatic access to the ARIA specification

↓ 0/wk◈ 3 dependents⚖ Apache-2.0

css-valuenpm

CSS value parser

↓ 0/wk◈ 1 dependents

@wdio/typesnpm

Utility package providing type information for a variety of WebdriverIO interfaces

↓ 0/wk◈ 5 dependents⚖ MITTS

@types/sinonjs__fake-timersnpm

TypeScript definitions for @sinonjs/fake-timers

↓ 0/wk◈ 3 dependents⚖ MITTS

@wdio/utilsnpm

A WDIO helper utility to provide several utility functions used across the project.

↓ 0/wk◈ 3 dependents⚖ MITTS

resqnpm

React Element Selector Query (resq) - Query React components and children by selector (component name)

↓ 0/wk◈ 1 dependents⚖ MIT

Release history

No releases in the last two years, typically about 56 days apart.

Recent versions of jszip
Version	Published	Size	License
3.10.1latest	4 years ago	744 KB	(MIT OR GPL-3.0-or-later)
2.7.0	4 years ago	604 KB	(MIT OR GPL-3.0)
3.10.0	4 years ago	672 KB	(MIT OR GPL-3.0-or-later)
3.9.1	4 years ago	664 KB	(MIT OR GPL-3.0-or-later)
3.9.0	4 years ago	664 KB	(MIT OR GPL-3.0-or-later)
3.8.0	4 years ago	653 KB	(MIT OR GPL-3.0-or-later)
3.7.1	5 years ago	647 KB	(MIT OR GPL-3.0-or-later)
3.7.0	5 years ago	406 KB	(MIT OR GPL-3.0-or-later)
3.6.0	5 years ago	388 KB	(MIT OR GPL-3.0)
3.6.0-0	5 years ago	385 KB	(MIT OR GPL-3.0)
3.5.0	6 years ago	645 KB	(MIT OR GPL-3.0)
3.4.0	6 years ago	644 KB	(MIT OR GPL-3.0)
3.3.0	6 years ago	636 KB	(MIT OR GPL-3.0)
3.2.2	7 years ago	636 KB	(MIT OR GPL-3.0)
3.2.1	7 years ago	637 KB	(MIT OR GPL-3.0)

Overview

jszip is an npm package that create, read and edit .zip files with JavaScript http://stuartk.com/jszip. It has 2 known dependents in the graph. The latest version is 3.10.1, released under the (MIT OR GPL-3.0-or-later) license.

Who should use it

Teams working in the npm ecosystem who need create, read and edit .zip files with JavaScript http://stuartk.com/jszip and value a focused solution.

When not to use it

Consider an alternative if you need to minimize your dependency tree, or if a more actively-maintained option better fits your npm stack.

Pros

Ships TypeScript type definitions.
Clear open-source license ((MIT OR GPL-3.0-or-later)).

Cons

Large dependency tree (18 direct dependencies) increases install size and audit surface.

Auto-generated from collected registry metadata. No external claims are inferred.

Maintainers

cwmma dduponchel stuk

Keywords

deflate inflate zip

Frequently asked questions

Should I use jszip?

No — jszip should not be adopted for new projects. Last published 1499 days ago.

How do I install jszip?

Run `npm install jszip` to add jszip to your npm project.

How many dependencies does jszip have?

jszip declares 18 direct dependencies and pulls in 5 packages in total once its runtime tree is resolved totalling about 3.2 MB on disk.

What license is jszip released under?

jszip is distributed under the (MIT OR GPL-3.0-or-later) license. Its dependency tree also includes: (MIT AND Zlib), MIT.

How popular is jszip?

npm does not publish download counts. Within PackageGraph's crawl, 2 known packages depend on jszip.

Is jszip still maintained?

The most recent release of jszip (v3.10.1) was published 4 years ago.

Does jszip run install scripts?

No. jszip does not define preinstall, install, or postinstall scripts, so installing it does not execute publisher-supplied code.