Try it. No signup.

Live · ~200ms warm

Pick an example or drop your own image. Hits the real Modal API. The cutout you see is the cutout your code would get. The right panel shows the exact request that produced it.

POST/removeready

Endpoint

Format

~200ms · L4 GPU

Codeupdates live with inputs

curl -X POST "https://useknockout--api.modal.run/remove" \
  -H "Authorization: Bearer $TOKEN" \
  -F "file=@dog-on-blue.jpg" \
  -F "format=png" \
  -o out.png

# response: image/png · 184ms · 248 KB

readyimage/png · waiting for runx-knockout-model: BiRefNet