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Imglarger vs Upscayl: catalog facts
Imglarger	Upscayl
Freemium Basic editing and conversion tools are free; AI plan details were not in the research.	Free Free and open source under the AGPL. There is no paid tier and no per-image cost.
Web	Windows, macOS, Linux
Enlarges images up to 8x Outpainting to extend or uncrop backgrounds	Runs entirely on your own machine, so no images are uploaded anywhere Batch processing for whole folders
Images are uploaded for processing Limits and prices for the AI tools were not confirmed in the research	Needs a Vulkan-compatible GPU; the project warns many integrated chips will not work Slow on weaker hardware, and memory-hungry on large images
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
Needs internet	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.