Upscayl: free & open source local AI image upscaler for Windows, Mac & Linux

Posted: Sunday 25th June 2023

Its’ called Upscayl and you can see by the the results below that details are added and the images are sharpened. This is different than scaling/resizing in a paint package.

Image 1

Below is an image variation generated and upscaled in v5.2 of Midjourney, then 4x upscaled in Upscayl using the REAL-ESRGAN model.

The original upscaled image from Midjourney was upscaled in Affinity Photo to the same 4x size. This is on the left of the image below.

The upscale in Upscayl is on the right where you should see a considerable improvement:

The full source image is on this course page.

Image 2

Below is an image variation generated and upscaled in v5.1 of Midjourney, then 4x upscaled in Upscayl also using the REAL-ESRGAN model.

The original upscaled image from Midjourney was upscaled in Affinity Photo to the same 4x size. This is on the left of the image below.

The upscale in Upscayl is on the right where you can see a less pronounced difference yet definite improvement on some details.

The full source image is on this post.

Click here to download Upscayl.


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