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Final2x vs waifu2x Snowshell: catalog facts
Final2x	waifu2x Snowshell
Free Free to download, with source published on GitHub.	Free Free and open source under the MIT licence.
Windows, macOS, Linux	Windows
Runs on Windows, macOS and Linux Image upscaling runs locally	One interface for waifu2x, Real-CUGAN and Real-ESRGAN Drag and drop of multiple files or folders
Upscaling speed depends on local hardware The project moved repositories, so older links point to the previous location	Windows x64 only Depends on the separate upscaler engines for results
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: MIT
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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