I have a large set of photos taken with my camera which takes a lot of space, and time to upload to Drop Box to share with people. Photoshop can be used to save them to a lower resolution but opening photoshop to do it takes a long time. Which programs for Linux or Windows would do batch compression without visible loss of quality?

1 Answer 1


You can use ImageMagick (Free, open source, cross-platform, CLI) to compress all your images at once.

  • D., it says it does a lot of things "Use ImageMagick to resize, flip, mirror, rotate, distort, shear and transform images, adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses and Bézier curves." but it doesn't mention compression anywhere from what I can see...
    – Vass
    Commented Mar 12, 2015 at 20:06
  • 2
    @Vass e.g. stackoverflow.com/a/7262050/395857 Commented Mar 12, 2015 at 20:08

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