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Upscayl vs Final2x: catalog facts
Upscayl	Final2x
Free Free and open source under the AGPL. There is no paid tier and no per-image cost.	Free Free to download, with source published on GitHub.
Windows, macOS, Linux	Windows, macOS, Linux
Runs entirely on your own machine, so no images are uploaded anywhere Batch processing for whole folders	Runs on Windows, macOS and Linux Image upscaling runs locally
Needs a Vulkan-compatible GPU; the project warns many integrated chips will not work Slow on weaker hardware, and memory-hungry on large images	Upscaling speed depends on local hardware The project moved repositories, so older links point to the previous location
Downloadable app	Downloadable app
Open source	Open source
License: AGPL-3.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.