Compare software

ImgUpscalerUpscayl
Freemium

Free to start, with paid web plans for batch processing; the Upscal apps are licensed…

 Free

Free and open source under the AGPL. There is no paid tier and no per-image cost.

Web Windows, macOS, Linux
  • 2x and 4x upscaling in the browser
  • Supports JPG, PNG, WebP and AVIF
  • Runs entirely on your own machine, so no images are uploaded anywhere
  • Batch processing for whole folders
  • Web subscription does not include the desktop or mobile apps
  • Batch processing requires payment
  • 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

Checked October 1, 2026

Checked September 21, 2026

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