Why Batch Compression Matters
If you have 50+ product images for an e-commerce site, compressing them one by one is impractical. Batch compression saves hours of work.
Methods for Batch Compression
1. Online Tools
Our Image Compressor supports batch processing β drag and drop multiple files and compress them all at once.2. Command Line (ImageMagick)
mogrify -quality 80 -resize 1920x1920> *.jpg
3. Node.js Script (Sharp)
const sharp = require('sharp');
const files = ['img1.jpg', 'img2.jpg', 'img3.jpg'];
for (const file of files) {
await sharp(file)
.resize(1920, 1920, { fit: 'inside' })
.jpeg({ quality: 80 })
.toFile('compressed_' + file);
}
4. Build Tools
- Webpack: image-webpack-loader
- Vite: vite-plugin-imagemin
- Next.js: built-in image optimization
Best Practices for Batch Processing
- Keep originals β always compress to a new folder
- Use consistent settings β same quality and dimensions for all images
- Log results β track before/after sizes
- Verify visually β spot-check a few compressed images
Conclusion
Batch image compression is essential for any project with many images. Start with our free Image Compressor for quick batch jobs.