img-dl

img-dl

Downloade image(s), by command or programmatically. The alternative for image-downloader package (see the comparison).

Prerequisites

• Node.js 18 or later
• npm 9 or later

Installation

img-dl can be installed in the global scope (if you'd like to have it available and use it on the whole system) or locally for a specific package (especially if you'd like to use it programmatically):

Install globally:

npm install -g img-dl

Install locally:

npm install img-dl

Usage

Command line

Access the help page with imgdl --help

Download image(s), by command or programmatically

USAGE
  $ imgdl <url> ... [OPTIONS]

PARAMETERS
  url   The URL of the image to download. Provide multiple URLs to download multiple images.
        In increment mode, the URL must contain {i} placeholder for the index,
        only one URL is allowed, and the 'end' flag is required.

OPTIONS
  -d, --dir=<path>          The output directory. Default: current working directory
      --end=<number>        The end index. Required in increment mode
  -e, --ext=<ext>           The file extension. Default: original extension or jpg
  -h, --help                Show this help message
  -H, --header=<header>     The header to send with the request. Can be used multiple times
  -i, --increment           Enable increment mode. Default: false
      --interval=<number>   The interval between each batch of requests in milliseconds
  -n, --name=<filename>     The filename. Default: original filename or timestamp
      --max-retry=<number>  Set the maximum number of times to retry the request if it fails
      --silent              Disable logging
      --start=<number>      The start index for increment mode. Default: 0
      --step=<number>       The number of requests to make at the same time. Default: 5
  -t, --timeout=<number>    Set timeout for each request in milliseconds
  -v, --version             Show the version number

EXAMPLES
  $ imgdl https://example.com/image.jpg
  $ imgdl https://example.com/image.jpg --dir=images --name=example --ext=png
  $ imgdl https://example.com/image.jpg --silent
  $ imgdl https://example.com/image.jpg https://example.com/image2.webp
  $ imgdl https://example.com/image-{i}.jpg --increment --start=1 --end=10
  $ imgdl https://example.com/image.jpg --header="User-Agent: Mozilla/5.0" --header="Cookie: foo=bar"

Simple download

imgdl https://example.com/image.jpg

Download multiple images

imgdl https://example.com/image.jpg https://example.com/image2.jpg

Download multiple images with increment mode

imgdl https://example.com/image-{i}.jpg --increment --start=1 --end=10

Programmatically

Simple download

import imgdl from 'img-dl';

const image = await imgdl('https://example.com/image.jpg');
console.log(image);
/*
{
  url: 'https://example.com/image.jpg',
  name: 'image',
  extension: 'jpg',
  directory: '/path/to/current/working/directory',
  originalName: 'image',
  originalExtension: 'jpg',
  path: '/path/to/current/working/directory/image.jpg',
}
*/

Download multiple images

import imgdl from 'img-dl';

const images = await imgdl([
  'https://example.com/image.jpg',
  'https://example.com/image2.jpg',
]);

API

imgdl(url, ?options)

Download image(s) from the given URL(s).

url

Type: string | string[]
Required: true

The URL(s) of the image(s) to download. Required.

options

Type: Options
Required: false

directory

Type: string
Default: process.cwd()

The output directory.

extension

Type: string
Default: 'jpg'

The file extension. If not specified, the original extension will be used. If the original extension is not available, 'jpg' will be used.

headers

Type: Record<string, string | string[] | undefined>
Default: undefined

The headers to send with the request.

interval

Type: number
Default: 100

The interval between each batch of requests in milliseconds when downloading multiple images.

name

Type: string
Default: 'image'

The filename. If not specified, the original filename will be used. If the original filename is not available, 'image' will be used.
When downloading multiple images, -index will be appended to the end of the name (suffix). index will start from 1. For example: 'image-1'

maxRetry

Type: number
Default: 2

Set the maximum number of times to retry the request if it fails.

onSuccess

Type: (image: Image) => void
Default: undefined

The callback function to be called when the image is successfully downloaded. Only available when downloading multiple images.

onError

Type: (error: Error, url: string) => void
Default: undefined

The callback function to be called when the image fails to download. Only available when downloading multiple images.

signal

Type: AbortSignal
Default: undefined

The signal to abort the request.

step

Type: number
Default: 5

The number of requests to make at the same time when downloading multiple images.

timeout

Type: number
Default: undefined

Set timeout for each request in milliseconds.

Comparison

Features	img-dl	image-downloader
Download single image	✅	✅
Download multiple images	✅	❌
CLI	✅	❌
Increment download	✅	❌
Custom filename	✅	✅
Custom extension	✅	❌
Request timeout	✅	✅
Retry failed request	✅	❌
Abort request	✅	❌

Support This Project

Give a ⭐️ if this project helped you!

You can support this project by donating via GitHub Sponsors, Trakteer, or Saweria.