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GraphicsMagickG'MIC
Free

Free and open source.

 Free

Free and open source under the CeCILL licenses.

Windows, macOS, Linux, Command line Windows, Web, Command line
  • Reads and writes over 92 image formats, including AVIF, HEIC and JXL
  • Multi-threaded processing with OpenMP
  • Several interfaces: command line, GIMP and Qt plug-ins, web service and C++ library
  • Large set of image filters that can be scripted
  • Command-line and library only, with no graphical editor
  • Takes some learning for complex operations
  • Command-line syntax takes time to learn
  • Not a standalone painting or layer-based editor
Downloadable app Downloadable app, Web application
Open source Open source
License: MIT License: CECILL-2.1
No account needed Not stated if an account is needed
Works offline Works offline

Checked October 1, 2026

Checked October 2, 2026

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