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jdPixelUpscalerReal-ESRGAN
Free

Free and open source under GPL-3.0-only.

 Free

Free and open source under the BSD-3-Clause license.

Linux Windows, macOS, Linux, Command line
  • Preserves solid pixel blocks when enlarging images
  • Includes command-line arguments and a D-Bus interface
  • Dedicated model variants tuned for anime versus photo content
  • BSD-licensed and widely reused inside other tools and GUIs
  • Does not account for neighboring pixels or image transitions
  • Linux only
  • Core project is a command-line library rather than a polished GUI app
  • No repository update reflected since mid-2024
Downloadable app Downloadable app, Self-hosted
Open source Open source
License: GPL-3.0-only 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

Checked October 8, 2026

Checked September 22, 2026

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