EXIF replace date-modified with date-taken

Discussion in 'Digital Photography' started by kaz219, Aug 13, 2006.

  1. kaz219 macrumors member

    May 8, 2006

    I'm using shoebox and this "great" software is using the "date-modified" EXIF field of the photos instead of the "date-taken". I had a lot of wrong dates, and looking at one photo using photoinfo, I found that the date used by shoebox was the one of the field "File date and time", which I suppose stands for the "date-modified" EXIF field.

    Does anybody know of a method to batch replace the date-modified field with the value of the date-taken field?

    Thanks a lot,
  2. balamw Moderator


    Staff Member

    Aug 16, 2005
    New England
    I'm most familiar with jhead http://www.sentex.net/~mwandel/jhead/ so that's what I'd try to build a solution around from within Terminal. There are probably some more GUI friendly ways.

  3. kaz219 thread starter macrumors member

    May 8, 2006
    Not bad, it works, without having to build anything around it:
    jhead -ta-0:00:01 *.jpg

    it reset all dates to the date-taken time (minus 1 second).

    But if anybody knows of a GUI thing to reset *all* the exif dates field of many photos at a time, it would be great. Thanks anyway for this hint!

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