Try Image Optimization

Drop a JPEG or paste a public image URL. See the optimized result side-by-side. ~50% smaller, perceptually identical. No signup, no card.

Drop a JPEG or click to choose Up to 7 MB · nothing is stored after the trial

Call this from your scripts

# one-shot upload
curl -X POST https://smallest.zip/api/image-archive/compress \
  -H "x-api-key: YOUR_API_KEY" \
  --data-binary @photo.jpg \
  --output photo.small.jpg

# URL transform — paste this in any <img src>
URL=$(printf 'https://yoursite.com/photo.jpg' | base64 -w0 | tr '+/' '-_' | tr -d '=')
echo "https://smallest.zip/it/jpg/$URL.jpg"

Ship half the image bytes. Drop-in via <img src>.