Image CDN overview
Upload once, deliver in any size, in WebP or AVIF where supported.
Upload images once. We serve them globally from a 300+ city edge network, automatically resizing and transcoding to the format the visitor's browser supports.
Why this product
Hosting raw images on your origin server burns bandwidth, slows page loads, and forces you to keep multiple sizes in storage. Image CDN solves both:
- One upload, every size. Request any size on demand via URL params; we generate + cache it.
- Auto WebP / AVIF. Modern browsers get smaller, faster formats; old browsers get the original.
- Global delivery. Edge presence in 300+ cities.
- No origin egress. Once cached at the edge, your origin isn't hit for that image.
When to use Image CDN vs Cloud Storage
| Need | Use |
|---|---|
| Photos / avatars / responsive site images | Image CDN |
| Bulk binary blobs / backups | Cloud Storage |
| Public static assets that aren't images | Either, but Storage is cheaper |
| Generated thumbnails of your own images | Image CDN |
Setup
- Subscribe to the Image CDN perk.
- Create an Image Zone (essentially a namespace for your images).
- Upload via the dashboard or API.
- Reference via URL with optional resize params.
See Uploading + variants.