Tessera
AVIF encoding is now 3× faster

Every image, perfectly sized, everywhere

Resize, crop, compress and convert on the fly with a single URL. Tessera picks the best format for every browser automatically.

Start freeRead the docs
<!-- Resize and convert with a URL -->
<img src="https://img.tessera.dev/acme/hero.jpg?w=1200&fit=crop&fm=auto">

# or via API
curl https://api.tessera.dev/v1/presets \
  -d '{"name":"card","w":640,"h":400}'

Built for teams that ship

Everything you need in production, nothing you have to babysit.

Smart crop

Faces and subjects stay in frame at any aspect ratio.

Format negotiation

AVIF, WebP or JPEG — chosen per request.

Presets

Name a transform once and reuse it across your apps.

Bring your storage

Connect S3-compatible buckets in minutes.

1.9Btransforms per month
42 msp50 transform time
-63%average bytes saved
40+edge regions

Get your API key in a minute

No credit card. Free tier forever.