All examples
Example Cogtemplate:image-upscaler

Small image → restored 4× image

Image Upscaler

Restore detail with Real-ESRGAN at 2× or 4×, select general or anime tuning, and optionally enhance faces with GFPGAN.

RTX 3090 scale to zero PNG or JPEGReal-ESRGANGFPGANrestoration

Canonical example

Input and output, side by side

Verified hosted result · 2× raster output

01 · input
reference image
Image Upscaler reference input
image
https://app.nz/static/cogs/image-upscaler-input.webp
scale
2
model
general
face enhance
false
02 · PNG or JPEG
Image Upscaler output preview

Run the same recipe everywhere

curl -sX POST https://app.nz/api/cogs/run \
  -H "Authorization: Bearer $APP_NZ_KEY" \
  -H "Content-Type: application/json" \
  -d '{"template":"image-upscaler","input":{"image":"https://app.nz/static/cogs/image-upscaler-input.webp","scale":2,"model":"general","face_enhance":false}}'