I have taken some photos on my Ubuntu machine, and I'd like to know whether they contain geolocation, and if so, what are they.

How can I do that?

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  • This depends on the software you used. What software did you use? – forest Oct 17 '18 at 1:35
  • 1
    Ever see this website (platform independent)? exif.regex.info/exif.cgi Note: you are uploading your photos to a third party, make sure you are OK with them being on the front page of the Sunday Times before uploading. – HashHazard Oct 17 '18 at 2:37

exiftool can be used to print out the metadata of the image. If the location was stored when the image was taken (usually called 'geotagging'), you can find it there:

$ exiftool 23.jpg  | grep GPS
GPS Latitude Ref                : North
GPS Longitude Ref               : East
GPS Latitude                    : 35 deg 32' 16.80" N
GPS Longitude                   : 139 deg 29' 49.20" E
GPS Position                    : 35 deg 32' 16.80" N, 139 deg 29' 49.20" E

You can also use exiftool to strip the GPS information out of an existing image:

$ exiftool -gps:all= 23.jpg
    1 image files updated
$ exiftool 23.jpg | grep GPS

Any tool that can look at image metadata can look at this information. For example, the identify tool from ImageMagic will also do it:

$ identify -verbose 23.jpg | grep GPS
    exif:GPSInfo: 640
    exif:GPSLatitude: 35/1, 3228/100, 0/1
    exif:GPSLatitudeRef: N
    exif:GPSLongitude: 139/1, 2982/100, 0/1
    exif:GPSLongitudeRef: E

and GUI tools can often do so as well - here's Image Viewer from Ubuntu 18:

Image Viewer Details/Metadata

Many images do not have GPS entries in their metadata - for example, if you take a picture with a camera that doesn't have GPS, it won't store it - here's a list of cameras that do have GPS.

Most cell phones, of course, have a GPS, and often will geotag by default. You can choose to disable this in Android and iPhones.

  • Thanks. How can I install exiftool on Ubuntu? – wbad Oct 17 '18 at 19:31
  • 1
    @randon sudo apt install exiftool will install it for you. – gowenfawr Oct 17 '18 at 19:37

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