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ImageMagickConverseen
Free

Free and open source under the ImageMagick licence, an Apache 2.0 style licence.

 Free

Free and open source; donations accepted.

Windows, macOS, Linux, Command line Windows, macOS, Linux
  • Over 200 formats, with conversion, resizing, compositing and effects from one command
  • APIs for most programming languages as well as the command line
  • Converts and resizes whole batches of images at once
  • Supports over 100 image formats
  • The project advises creating and validating a security policy before use, especially with untrusted files
  • Its format handling has been a repeated source of security vulnerabilities
  • Not a full image editor, only batch operations
  • PDF conversion needs extra setup according to the help pages
Downloadable app Downloadable app
Open source Open source
License: ImageMagick License: GPL-3.0
No account needed No account needed
Works offline Works offline

Checked September 21, 2026

Checked September 23, 2026

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