Image Generation
Upscayl
Open-source AI image upscaler for improving image resolution.
Free
★★★★½
4.8
AI upscaling
super resolution
photo enhancement
open source
local AI
image restoration
About Upscayl
Upscayl is an open-source AI application that enhances image quality by increasing resolution while preserving details. It runs locally on Windows, macOS, and Linux, eliminating the need to upload images to cloud services. The software supports multiple AI upscaling models, batch processing, and privacy-focused workflows. It is widely used by photographers, designers, and digital artists seeking free image enhancement tools. Upscayl is community-driven and actively maintained.
Frequently Asked Questions
What is Upscayl and how does it work?
Upscayl is a free, open-source AI image upscaler designed to enlarge and enhance low-resolution photos, digital art, and compressed graphics without losing quality. Using advanced deep learning architectures like Real-ESRGAN, the application analyzes low-resolution pixels and intelligently reconstructs missing details, textures, and sharp edges to increase image size up to 16x higher resolution.
Can Upscayl process images locally on my desktop for privacy?
Yes, the core Upscayl desktop application runs entirely offline on Windows, macOS, and Linux systems by leveraging your device's local GPU hardware through frameworks like Vulkan and CUDA. Because image rendering happens directly on your machine without sending files to remote cloud servers, users maintain total data privacy and security when upscaling sensitive images or private archives.
What is Upscayl Cloud and how does it differ from the desktop app?
Upscayl Cloud is a web-based companion service that performs AI image upscaling, generative image editing, and text-to-image generation on remote servers without requiring powerful local graphics hardware. While the desktop app depends on your computer’s GPU performance, Upscayl Cloud allows users to upscale images up to 512MP on mobile phones, tablets, or low-spec computers using cloud credits.
Is Upscayl free to use, and can I use upscaled images commercially?
The Upscayl desktop application is completely free, open-source software distributed under the GNU General Public License (GPL) with no subscriptions, ads, or watermarks. Content upscaled through the local desktop app carries zero commercial restrictions, while the optional cloud platform operates on a freemium credit structure offering paid plans for commercial usage, unlimited storage, and priority rendering speeds.
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