(The exception is the password-protected PDF, which is supposed not to be editable. Whether it is also the correct usage is a different matter.) Maybe it wasn't intended to be editable originally, I don't know but the point is moot anyway, as Adobe, originator of PDF, has been for some time providing this capability with Adobe Acrobat (not the free Acrobat Reader, though). (I use "PDF metadata" in the same sense as hotwheels 22, which is the common usage. (1) Of course PDF metadata is easily editable. I disagree with kurt188 in the strongest possible terms. If you want it to overwrite the original picture, add -overwrite_original_in_place to the exiftool command line.I hate being disagreeable on such a day as this, but I have to say it. ExifTool’s if functionality makes this easy to fix: exiftool '-createdate I wanted the CreateDate exif property to have the same value as the DateTimeOriginal exif property. I had a situation where many of my pictures did not have the CreateDate exif property but they did have the DateTimeOriginal exif property. If your picture was taken on Jat 1:38:55 PM, you can add the CreateDate exif property to your picture with the following command: exiftool -createdate="2007:06:19 13:38:55" /path/to/picture.jpgĪdd CreateDate Exif Property and Copy DateTimeOriginal Exif Property Value to It Add CreateDate Exif Property to a Picture Ryan M provides more insight into finding and fixing images with no exif dates. The picture does not have the DateTimeOriginal exif property if its file name is returned. If you have a folder of pictures to check, or even a folder contaning even more folders of pictures, you can simply replace /path/to/picture.jpg with /path/to/picture/directory/: exiftool -filename -r -if '(not $datetimeoriginal)' /path/to/picture/directory/ In this example, I want to see if my picture has the DateTimeOriginal exif property set: exiftool -filename -r -if '(not $datetimeoriginal)' /path/to/picture.jpg You can quickly figure out if a picture is missing a particular exif property by running the following command. If you are in a directory with many pictures that you want to scrub the exif data from, you can use a wildcard to process them all: exiftool -all= *.jpg You can do this with the following command: exiftool -all= picture.jpg If you are uploading a picture to a public website, it would be wise to scrub any exif properties - especially if there are GPS exif properties. This post will be an ever growing list of useful exiftool commands and scripts. It is especially useful when you have a lot of pictures to edit and have no desire to change metadata by hand. ExifTool by Phil Harvey is a fantastic tool to edit the exif metadata on your pictures.
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