WebP vs JPEG: When to Use Each Format (and How to Convert Automatically)
The WebP vs JPEG debate continues, but the answer is simple: use WebP for the web and JPEG for compatibility. Here's how to make the switch.
Format Comparison
| Feature | WebP | JPEG |
|---|---|---|
| Size | 25-35% smaller | Larger |
| Quality | Good at lower bitrates | Better at high bitrates |
| Transparency | 鉁?Yes | 鉂?No |
| Animation | 鉁?Yes | 鉂?No |
| Browser Support | 96% | 100% |
| Best For | Web delivery | Photography, print |
Convert with One Command
npm install -g batch-image-tool
# JPEG 鈫?WebP
image-optimizer convert photos/ --format webp
# WebP 鈫?JPEG
image-optimizer convert webp_images/ --format jpg --quality 90
Batch Optimize Everything
image-optimizer process ./images/ --compress --resize 1920 --format webp
Real Performance Gains
| Original | WebP | Savings |
|---|---|---|
| 2.4 MB | 380 KB | 84% |
| 850 KB | 140 KB | 83% |
| 500 KB | 85 KB | 83% |
Install
npm install -g batch-image-tool
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What image format do you use most? Let me know!
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