ai image upscaler
AI Image Upscaler to 4K
Most upscalers just interpolate pixels. Jia Portal's upscaler synthesises plausible detail — fabric weave, skin texture, type edges — so enlarged images stay sharp at print size.
How it works
- 1Upload a low-resolution image.
- 2Pick a 2x or 4x target and a detail strength.
- 3Download the upscaled file.
Why use Jia Portal
Real detail
Reconstructs texture rather than smoothing it away, even from small source files.
Face-safe
Pair with Face Restoration to repair compression and soft focus on portraits.
Batch friendly
Queue a folder of assets and collect them together.
Frequently asked questions
How much does upscaling cost?
Two credits per image, regardless of target size.
What file types are supported?
JPG, PNG and WebP in; PNG or JPG out at your chosen resolution.
Will it fix a blurry photo?
It significantly improves soft or compressed images. Severe motion blur is only partially recoverable.
Is there a size limit?
Uploads up to 25 MB; outputs up to 4K on the standard queue.