New answers tagged geotagging
A big-hammer approach is jhead's -purejpg option, which, according to the documentation: Deletes all JPEG sections that aren’t necessary for rendering the image. Strips any metadata that various applications may have left in the image. This is a cross-platform (Mac, Linux, Windows) command-line program. For example, if you want to remove metadata ...
I use jpegoptim for stripping metadata: jpegoptim --strip-all filename You could also open the image with Gimp and save it without the metadata.
Exiftool is able to do this using the -ALL= (see the linked documentation). You can apply better control on this, however, and I would recommend that instead of just deleting all metadata. If you're looking to remove the location information, for example, just use some pattern matching.
There is a cheap way to do it with iphone using the $3 Theodolite app that records the bearing, vertical and horizontal angle, as well as the position. However, you would then have to export this metadata to another program to be able to do more interesting stuff with it.
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