Image scaling is the resizing of a digital image. In video technology, the magnification of digital material is known as upscaling or resolution enhancement.
It brings the power of AI upscaling to your fingertips, allowing you to turn low-resolution images into high-quality outputs and enabling you to enhance your images with ease.
There is a wide range of image upscaling tools for Linux. We’ve surveyed the scene and cherry-picked some useful open source tools.
Here’s our verdict captured in a legendary LinuxLinks-style ratings chart. Only free and open source software is eligible for inclusion here.

Let’s look at the software in more detail.
| Image Upscaler Tools | |
|---|---|
| Final2x | Enhance your images with super-resolution |
| Upscayl | Uses sophisticated AI models to enhance images |
| Upscaler | Upscale and enhance images |
| Real-ESRGAN GUI | AI image enlargement tool |
| Aeternum | Simple and minimal image upscaler |
| upscaler-hollowaykeanho | Image and video upscaling |
| jdPixelUpscaler | Upscale images per pixel |
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Know a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

