Images and static assets, delivered fast from the edge.

Rext resizes, converts and caches your images on the fly. Point a bucket at us, add a query string, and get WebP or AVIF in the right size for every screen.

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38 msmedian TTFB (cache hit)
96.4%cache hit ratio, last 30 days
WebP / AVIFautomatic format negotiation
S3 · GCS · HTTPorigin types

What you get

Everything needed to stop hand-exporting thumbnails.

On-the-fly transforms

Resize, crop, blur and sharpen with URL parameters. Results are cached per variant.

Format negotiation

We read the Accept header and serve AVIF, WebP or JPEG — whichever the browser handles best.

Signed URLs

HMAC-signed links stop third parties from generating arbitrary variants on your bill.

Purge API

Invalidate a single path or a whole prefix in under a few seconds.