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JS
Package

is-jpg

Check if a Buffer/Uint8Array is a JPEG image

v3.0.0, 19 Sept 2021MITESM onlyTypes: NoneImage processing
$ npm install is-jpg
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Key numbers

As of 25 Sept 2026
Weekly downloads
439k
-32% over 12 months
Gzip bundle size
-
No Bundlephobia data
Dependencies
0
Direct, from package.json
Last release
5 years ago
v3.0.0
GitHub stars
27
9 forks
Open issues / PRs
0 / 0
Contributors
-
Commits, last 52 weeks
1

Downloads

Last week 2026-09-15 to 2026-09-21
0500k1m1.5mSept 2025Mar 2026Sept 2026High 1.1m (3 Mar 2026)Low 292.5k (1 Sept 2026)
Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

439,002 downloads last week, 1,809,039 in the last month. The 12-month change of -32% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months
07 in total
Latest version
3.0.0, 19 Sept 20215 years ago
First published
21 Apr 2014
Last push to GitHub
18 Sept 20266 days before the snapshot
Repository archived
No
Open issues
0
Open pull requests
0
Commits, last 52 weeks
1
Dependents on npm
83

Major versions

  1. v3 first release 3.0.0, 19 Sept 2021
  2. v2 first release 2.0.0, 22 Mar 2018
  3. v1 first release 1.0.0, 14 Aug 2014
  4. v0 first release 0.1.0, 21 Apr 2014

Recent releases

VersionPublished
3.0.019 Sept 2021
2.0.022 Mar 2018
1.0.122 Mar 2018
1.0.014 Aug 2014
0.1.229 Apr 2014
0.1.125 Apr 2014
0.1.021 Apr 2014

Compatibility

Module format
ESM onlyFrom package.json type, main and exports fields
TypeScript types
None
Node.js engine range
^12.20.0 || ^14.13.1 || >=16.0.0
Runtimes
-
Unpacked size (npm)
2.8 kB
Dependencies (0)
None

Install

npm install is-jpg

CDN

  • jsDelivrhttps://cdn.jsdelivr.net/npm/is-jpg@3.0.0/
  • unpkghttps://unpkg.com/is-jpg@3.0.0/
  • esm.shhttps://esm.sh/is-jpg@3.0.0
Sources: npm registry, npm downloads API, GitHub API. Data fetched 25 Sept 2026.

Indexability: Indexed.