![]() I use the command line to manipulate whole directories of files using a combination of command options and wildcards.Įxiftool.exe -all= -overwrite_original *. The software is intuitive and easy to use. Exiftool is a cross-platform tool that can remove, modify, and add Exif and other metadata in various file formats. My favorite software to remove Exif data is ExifTool by Phil Harvey. It is therefore best to remove Exif data before publishing or posting pictures online and avoid privacy and security concerns. The distinctive ID number of the camera device can be used to identify the owner of the camera. When pictures from these devices are posted online, the Exif metadata can be used to sense the time the photo was taken and the location where it was taken, if the camera or cell phone has the GPS location data feature. If used in Windows, and if you click exiftoolgui. However again, the free Windows program ExiftoolGUI spawns exiftool, and filters out that command line part, and presents a normal Windows interface, and makes it easy to use. Since the Exif data contain information about the photo, the Exif data pose privacy and security concerns. ExifTool is a command line tool, with many options, and is a very serious tool. Many owners of digital cameras and cell phones are oblivious that their photos are tagged with sensitive information. Other devices insert more extensive data such as camera settings, GPS location data, and other information that might be specific to that camera or cell phone. To extract that data to a file, you just need to redirect the output. The curv part is the ID value for the TRC (see example code, specifically tagbase.sig swap ( (long)0圆3757276L) /’curv’/ ). Some devices just embed the make and model of the camera. 1 Answer Sorted by: 3 That 'message' is simply the binary data of that tag displayed on the command line. This is done using the Exchangeable image file format (Exif) data structure or standard. The following shows how to manage photos using exiftool. The above command lists all time relevant information (-time:all) for the given JPEG file. With the -a option, duplicate tags are shown as well. Nearly all cell phones, digital cameras, and scanners insert metadata in the digital photos they capture. Instructing exiftool to print out the tag name and group name of each tag is done using the -G0:1 option.
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