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Deep-Image.aiUpscayl
Freemium

Can be tried free without a credit card, with paid use beyond that.

 Free

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

Web Windows, macOS, Linux
  • Batch upscaling of up to 50 images at once
  • Denoise, sharpen, color correction and background tools in one place
  • Runs entirely on your own machine, so no images are uploaded anywhere
  • Batch processing for whole folders
  • Images must be uploaded to an online service
  • Upscaling limited to four times the original size
  • 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, Hosted service 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 September 26, 2026

Checked September 21, 2026

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