npmpackage.info

Gathering detailed insights and metrics for is-jpg

Other packages similar to is-jpg

is-image

4.0.0

Check if a file path is an image

file-type

21.0.0

Detect the file type of a file, stream, or data

image-type

6.0.0

Detect the image type of an ArrayBuffer/Uint8Array

@jpg-store/lucid-cardano

0.9.1

This is a fork of the original Lucid repo compiled into CommonJS. For more information check https://github.com/spacebudz/lucid

Gathering detailed insights and metrics for is-jpg

is-jpg - 3.0.0 | npmpackage.info

is-jpg

Check if a Buffer/Uint8Array is a JPEG image

3.0.0

MIT

JavaScript

4.1

Installations

npm install is-jpg

Developer Guide

BETA

Typescript

No

Module System

ESM

Min. Node Version

^12.20.0 || ^14.13.1 || >=16.0.0

Node Version

12.22.1

NPM Version

7.20.3 Score

99.5

Supply Chain

70.6

Quality

75.5

Maintenance

100

Vulnerability

100

License

Pull Requests

Open

0

Total

3

Closed

2

Merged

1

Issues

Open

0

Total

4

Closed

4

Releases

v3.0.0

Updated on Sep 19, 2021

View All 1 releases

Languages

JavaScript

JavaScript (100%)

Developer

sindresorhus

Download Statistics

Total Downloads

Last Day

Last Week

Last Month

Last Year

GitHub Statistics

MIT License

26 Stars

17 Commits

9 Forks

6 Watchers

1 Branches

2 Contributors

Updated on Jan 07, 2025

Sponsor this package

https://github.com/sponsors/sindresorhus

Maintainers

View All 2 Contributors

Package Meta Information

Latest Version

3.0.0

Package Id

is-jpg@3.0.0

Size

1.63 kB

NPM Version

7.20.3

Node Version

12.22.1

Published on

Sep 19, 2021

Total Downloads

Cumulative downloads

Total Downloads

NaN

Last Day

NaN

Compared to previous day

Last Week

NaN

Compared to previous week

Last Month

NaN

Compared to previous month

Last Year

NaN

Compared to previous year

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dev Dependencies

ava read-chunk xo

is-jpg

Check if a Buffer/Uint8Array is a JPEG image

Install

1npm install is-jpg

Usage

Node.js

1import {readChunk} from 'read-chunk';
2import isJpg from 'is-jpg';
3
4const buffer = await readChunk('unicorn.jpg', {length: 3});
5
6isJpg(buffer);
7//=> true

Browser

1const xhr = new XMLHttpRequest();
2xhr.open('GET', 'unicorn.jpg');
3xhr.responseType = 'arraybuffer';
4
5xhr.onload = () => {
6	isJpg(new Uint8Array(this.response));
7	//=> true
8};
9
10xhr.send();

API

isJpg(buffer)

Accepts a Buffer (Node.js) or Uint8Array.

It only needs the first 3 bytes.

file-type - Detect the file type of a Buffer/Uint8Array

Branch-Protection

Determines if the default and release branches are protected with GitHub's branch protection settings.

0

SAST

Determines if the project uses static code analysis.

Score

4.1

/10

Last Scanned on 2025-07-07

The Open Source Security Foundation is a cross-industry collaboration to improve the security of open source software (OSS). The Scorecard provides security health metrics for open source projects.

Learn More

Other packages similar to is-jpg

Other packages similar to is-jpg

is-jpg

Installations

Developer Guide

No

ESM

^12.20.0 || ^14.13.1 || >=16.0.0

12.22.1

7.20.3

Score

Pull Requests

0

3

2

1

Issues

0

4

4

Releases

Languages

Developer

sindresorhus

Download Statistics

GitHub Statistics

Sponsor this package

Maintainers

Package Meta Information

Total Downloads

NaN

Weekly Downloads

Monthly Downloads

Yearly Downloads

Dev Dependencies

is-jpg

Install

Usage

Node.js

Browser

API

isJpg(buffer)

Related

10

10

10

10

10

0

0

0

0

0

0

0

0

4.1

/10