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imagemin-jpegtran

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imagemin-jpegtran

jpegtran imagemin plugin

  • 8.0.0
  • latest
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  • npm
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What is imagemin-jpegtran?

The imagemin-jpegtran npm package is a plugin for the imagemin image optimization tool that specifically optimizes JPEG images using jpegtran. It is used to compress JPEG images without losing quality, making it ideal for web developers looking to reduce image file sizes for faster loading times.

What are imagemin-jpegtran's main functionalities?

Basic JPEG Optimization

This feature allows you to optimize JPEG images in a specified directory and output the optimized images to another directory. The code sample demonstrates how to use imagemin-jpegtran to compress JPEG images in the 'images' folder and save the optimized images in the 'output' folder.

const imagemin = require('imagemin');
const imageminJpegtran = require('imagemin-jpegtran');

(async () => {
    await imagemin(['images/*.jpg'], {
        destination: 'output',
        plugins: [
            imageminJpegtran()
        ]
    });
    console.log('Images optimized');
})();

Progressive JPEG Optimization

This feature allows you to create progressive JPEGs, which are images that load in successive waves of detail, improving the user experience on slow connections. The code sample shows how to enable the progressive option in imagemin-jpegtran.

const imagemin = require('imagemin');
const imageminJpegtran = require('imagemin-jpegtran');

(async () => {
    await imagemin(['images/*.jpg'], {
        destination: 'output',
        plugins: [
            imageminJpegtran({ progressive: true })
        ]
    });
    console.log('Images optimized');
})();

JPEG Optimization with Arithmetic Coding

This feature allows you to use arithmetic coding for JPEG compression, which can result in smaller file sizes compared to Huffman coding. The code sample demonstrates how to enable arithmetic coding in imagemin-jpegtran.

const imagemin = require('imagemin');
const imageminJpegtran = require('imagemin-jpegtran');

(async () => {
    await imagemin(['images/*.jpg'], {
        destination: 'output',
        plugins: [
            imageminJpegtran({ arithmetic: true })
        ]
    });
    console.log('Images optimized');
})();

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Package last updated on 25 Sep 2024

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