In this process, no re-encoding is required. The other way to change orientation is to change EXIF metadata of a photo. However, in this process your JPG image needs to be re-encoded. One simple way is just to rotate it in an image editor. I think above solution is simple and effective -even Windows will take notice on ExifTool/GUI's presence, of course.Sometimes we need to change orientation of a JPG image. You can minimize this window, but don't close it! When you'll exit ExifToolGUI, this "dos" window will be closed automatically.
Important: You will notice, that after starting runGUI.bat, well known "dos" window appears. Next time, there will be no waiting, because parfiles folder is allready populated with all files needed. Anyway, this writting activity can take about 20 seconds (depends on USB stick speed) and happens only on first run. If you start using GUI before this activity ends, GUI might show "Not responding". but don't start using it! -wait until writting activity on flash drive ends (watch LED blinking on USB stick).
Finally, create parfiles folder inside PortableGUI folder and that's it (yes, parfiles folder is empty).Īlways use runGUI.bat to start ExifToolGUI! ExifToolGUI will soon appear. Additionaly copy previously created runGUI.bat into that folder. Now create new folder on USB flash drive (for example PortableGUI), and copy exiftool.exe and ExifToolGUI.exe into that folder. If above is created with Notepad, then rename saved file to (for example) runGUI.bat. The following solution was suggested by Wayne (TT), a member of ExifTool forum, originally discussed here -and as mentioned there: use at your own risk.įirst you need to create "bat" file having following content:
That is, when we pull out USB flash, there's a "trace" left, that ExifTool has been executed on this PC.įor whatever reason, some would prefer running ExifToolGUI from USB stick without need to write anything onto PC. However, when started the very first time, ExifTool "unpacks" several files (about 10MB) on disk into Windows's "temporary" folder, which are then used by ExifTool to work. So, it is enough to copy both files on USB flash and start GUI -it works. Similar to GUI, ExifTool also doesn't need to be installed and doesn't write into registry. Because ExifToolGUI doesn't need to be installed, nor is anything written into registry when running it, ExifToolGUI already is portable.
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