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Icons8 Smart Upscaler vs Real-ESRGAN: catalog facts
Icons8 Smart Upscaler	Real-ESRGAN
Freemium Pricing is not detailed in the research; an API is offered alongside the web tool.	Free Free and open source under the BSD-3-Clause license.
macOS, Web	Windows, macOS, Linux, Command line
Up to 8x enlargement Batch processing	Dedicated model variants tuned for anime versus photo content BSD-licensed and widely reused inside other tools and GUIs
No Windows or mobile app mentioned Images are processed on Icons8 servers in the web version	Core project is a command-line library rather than a polished GUI app No repository update reflected since mid-2024
Downloadable app, Web application	Downloadable app, Self-hosted
Closed source	Open source
License not stated	License: BSD-3-Clause
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 26, 2026	Official website Full listing and sources Checked September 22, 2026

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