Upscayl

Upscayl
Free open-source AI image upscaler for Windows, Mac, and Linux, enhancing photos locally with Real-ESRGAN on your GPU.
About
Technology stack
detected 2026-07-09“My main priority is getting the best possible image quality for print-on-demand, especially for large prints, rather than batch processing or extra editing features. For those of you who have actually used them, which one would you recommen…”
View on Reddit“I’ve been trying to upscale an image using Upscayl, but I’m seeing no difference in quality after processing a portrait photo. For another travel photo, when I drag the comparison line, can I see some changes (don't know how to describe tha…”
View on Reddit“Upscayl is honestly always been a classic and if being open source makes it rlly great, and honestly think you have a some technical skills it could be better than topaz as you can fine tune it. Its overall rlly good for most things.”
View on Reddit“So, Upscayl is a decent tool if you just need something quick and simple. It’s got a clean interface, and it supports models like Real-ESRGAN, so”
View on Reddit“out of curiosity was checking my data usage and noticed that upscayl is using data, but why? its the portable version, i dont have automatic updates enabled, that isnt even an option, i use this program daily, i downloaded it from the offic…”
View on Reddit“Upscayl takes low resolution and blurry images and sharpens them while increasing the size up to 4x. If you have older images from early iPhone editions or digital cameras, you can use this app to batch process them.”
View on RedditSome comments are pulled from public discussions around the web (look for the source icon). Quotes are excerpts; click through to read the full thread.
What does Upscayl do?
Upscayl offers a free and open-source AI image upscaler for Windows, macOS, and Linux. It empowers creators, designers, artists, developers, and businesses to enhance image resolution up to 16x locally using various Real-ESRGAN models and their own GPU, ensuring privacy and eliminating subscriptions. The software is designed for hassle-free use, turning fuzzy photos and pixelated art into sharp, high-resolution images without requiring an internet connection after installation.
When was Upscayl founded?
Upscayl was founded in 2026.
What industry does Upscayl operate in?
Upscayl operates in AI Image Generation, Generative AI, Image Upscaling, Open Source, Developer Tools, Consumer App.