I'm working building a site to sell shoes, and I have at least 34K pictures in one of my HDD I want to upload these pictures to the shopping site, but they need to be compressed first (lossy compression) like on TinyPNG

The question is:

Is there a program like that?

For example feed the software a folder with the pictures and the program does the compression and outputs the files or a folder with the images already processed

A free software would be super useful too.

  • So you need a batch converter to PNG, right? In which format(s) are your pictures?
    – convert
    Jan 9, 2022 at 12:30
  • Sorry if I'm late to answer your comment, The pics are in JPEG format. Since the question was posted i couldn't find a software like that and gave up so i started doing the conversion by myself and the pics that were new were first converted and then uploaded. This process is still in use to this date. Jan 10, 2022 at 15:17
  • 1
    Posibly this could be helpful: sourceforge.net/projects/bulkimageconver
    – convert
    Jan 10, 2022 at 19:11
  • i'll let you know if this worked for me, but this is not really a priority right now, maybe in the weekend i'll post an update, Thanks a lot for your suggestion ! Jan 10, 2022 at 20:00


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