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Icons8 Smart Upscaler vs Upscayl: catalog facts
Icons8 Smart Upscaler	Upscayl
Freemium Pricing is not detailed in the research; an API is offered alongside the web tool.	Free Free and open source under the AGPL. There is no paid tier and no per-image cost.
macOS, Web	Windows, macOS, Linux
Up to 8x enlargement Batch processing	Runs entirely on your own machine, so no images are uploaded anywhere Batch processing for whole folders
No Windows or mobile app mentioned Images are processed on Icons8 servers in the web version	Needs a Vulkan-compatible GPU; the project warns many integrated chips will not work Slow on weaker hardware, and memory-hungry on large images
Downloadable app, Web application	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 21, 2026

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