Batch add xx:xx time to photo EXIF data?
July 8, 2010 5:08 PM   Subscribe

I just got back from a 2 week roadtrip and unbeknownst to me, one of the cameras I was using had the time set wrong. Now I have close to 1000 pictures that are set 13 hours 09 minutes in the past.

Is there a way to automagically set each pictures time stamp forward so it will match up with my gps waypoints?

I'm on a fully up-to-date Mac, but can boot into Windows 7 if necessary. fwiw, the camera is a Nikon Coolpix.
posted by a_green_man to Computers & Internet (9 answers total) 10 users marked this as a favorite
Best answer: This happens to me too sometimes, and I use iPhoto's built-in feature for changing EXIF timestamps — you select the photos that you want to change, go to the Photos menu, and pick "Adjust Date and Time". I check the box for "Modify original files", so if I upload them to Flickr or something, the dates will be displayed correctly there too. I use a slightly old copy of iPhoto, but I imagine newer versions are probably similar.
posted by dreamyshade at 5:13 PM on July 8, 2010 [1 favorite]

Best answer: Yes, either exiftool or jhead will do this. Both command line tools. Exiftool will even add geo information if you feed it a GPS track log.
posted by scruss at 5:14 PM on July 8, 2010

posted by sharkfu at 5:15 PM on July 8, 2010

The EXIF timestamp, or like a timestamp right on the image?
posted by gjc at 5:17 PM on July 8, 2010

Response by poster: Sweet. My googling caught too much chaff. Sounds like it should be pretty easy to start with iPhoto(or Aperture maybe??), or try Exiftool for the gps stuff, though I dislike the command line.

Thanks hive!
posted by a_green_man at 5:21 PM on July 8, 2010

Picasa will do this as well (for one or multiple photos).

Tools -> Adjust Date and Time
posted by blue_beetle at 5:59 PM on July 8, 2010

Lightroom works too. I've done this more times than I care to remember.
posted by kellygrape at 6:11 PM on July 8, 2010

Geotag is what I use for geotagging, and it does time adjustments as well. It's a Java Web Start app, so it's platform independent.
posted by natabat at 8:16 PM on July 8, 2010

I forgot about Prune, which does the time correction against a GPS trail rather differently from other programs, but rather elegantly if you know you took a particular picture in a particular place. It's also very mature.
posted by scruss at 9:12 AM on July 9, 2010

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