Web用画像をWebPとAVIFに変換する方法

Google Lighthouse says your images are too large. WebP and AVIF fix that — 25-50% smaller with zero visible difference. MegaConvert.io

方法

1. アクセス megaconvert.io/ja/jpg-to-webp.
2. .jpg → .webp

なぜ

• WebP — 25-35% smaller than JPG. All modern browsers.
• AVIF — 30-50% smaller than JPG. Chrome, Firefox, Safari 16+.
• Core Web Vitals — smaller images = faster LCP, better SEO.

関連

• PNG to WebP — preserves transparency.
• JPG to AVIF — maximum compression.
• PNG to AVIF — best of both.
• WebP to JPG — back to universal.

API

curl -X POST https://megaconvert.io/api/v1/convert/sync \
  -H "X-API-Key: YOUR_API_KEY" \
  -F "file=@input.jpg" -F "output_format=webp" -o output.webp

API →