Posted: 2006-09-05T05:25:25-07:00
Don't you see the same behavior without -strip? Since JPEG is lossy, the image can change a little each time you rewrite it, for some number of iterations.
Use https://github.com/ImageMagick/ImageMagick/discussions instead.
https://imagemagick.com/discourse-server/
https://imagemagick.com/discourse-server/viewtopic.php?t=7339