Photo organizer.

Extracting thumbnails from your photos.
Removing all or part of the metadata from your photos.

Nederlandse site
Nederlandse site.

Extracting thubnails and/or removing metadata tables. In this window you can analyze your photos. It shows you which metadata tables are in the photo and how big they are. You can also extract all of your thumbnails from the photos.
You can 'play' with this function without having to worry to accidentally change any of your photos if you have selected one of the radiobuttons All photos in this folder. or All photos in this set of folders. Because if you drop a photo on the window (Dropping is done by leftclicking any jpg photo with your left mousebutton, keep that button pressed down and move your mouse to the window of Photo organizer and then release the mousebutton.) when one of those 2 choices are selected, the program is in demo mode. It then shows you what will happen if you actually process a photo but nothing will really change.

In this dialogbox you can choose which tables you want to be removed and whether you want to export the thumbnail and if so, to which folder. If you choose to remove the 'real' exif table you can write a new small exif table with only the time of creation in it.
Below that you can choose to optimize the image with Exifiron. This will, in many cases, decrease the size of the photo without any change in the quality of the photo.
Then you choose which photos you want to process. If you choose there for Only the dropped photos., the photo which you drop on this window will be processed immediately. There is no method to undo this, so make sure you understand what will be done in such a case.
You can also choose for All photo in this single folder. (with or without it's subfolders) or for All photos in this set of folders. The used method for this last function is explained here.
If you have chosen for one of these two options, you start this process by clicking on the button Do this task. Then you will see a little informationbox which will appear just below this dialogbox which tells you how many photos are processed and how many errors (and warnings) are found. All those errors and warnings will be written in the logfile, which you can open by clicking on the button log. In the case that an error might lead to damaging the original photo, this original photo is never overwritten by the copy, so your photos are always safe.

If you process a photo, the first thing Photo organizer does is stepping through the photo.

Analyse a photo. The first step is always stepping throug the photo, jumping from table to table. All tables which are found are shown here.
The metadata tables are shown in blue. There are 8 of them in this example. They may be removed without any effect on the photo itself.
The 2 columns with numbers indicate the start position of the tables and the length of the tables.
FFFE Comment contains the comment. You always see this on the main window of photo organizer. There you can also change it.
FFED IPTC This is the table with most of the items which photo organizer uses for storing information in the photos. You can change them all there. If this table is written by Photo organizer it is fully compatible with the standards as defined by the International Press Telecommunications Council. See this wiki page for more info.
FFE8 Hans This table is created by Photo organizer for some fields from the main window which are not part of the standard IPTC fields. It contains the priority and showtime, folder, name in the photo and time in the photo (In the IPTC standard there is only room for a date).
FFF0 JFIF This indicates that this photo complies to the standard of JFIF (JPEG File Interchange Format), an image file format standard.
FFE1 Exif This is the table which is normally written in every photo by the camera who shot the photo. It contains a lot of information about the photo, including the thumbnail and the time of creation of the photo.
The rest of the blue tables are user-defined tables. This means that they are written in the photo by other programs according to the standards of those programs for a purpose they know. They can contain anything because it is easy to use some memory in any jpg photo and write there whatever you want without interfering with the photo data itself.

The green lines are the tables which describe the compression used for the photo itself. Changing them would ruin the photo, unless you really know what you are doing. (Exifiron does it.)
And finally the image data itself, in pink.

Create a copy of the photo. Here you see what happens if you create a copy of the photo with the settings as you have chosen in the dialogbox in the window.
It starts with the name of the copy, in blue. In this example D:\temp\00015748.jpg.
Then it steps through the tables. The first three are skipped. They are not written in the copy. This is shown in red.
The fourth table is the 'real' exif table. It is called the 'real' exif table because in the photo itself it starts with the text Exif, which is always the case for the tables as written by cameras.
In this table it searches for the exif time and the thumbnail. If it finds the thumbnail it is extracted and shown small on your screen. The relevant part of the exif table is then written in the copy of the photo. In a lot of cases, there is a block of memory in this Exif table 'after' the image thumbnail which does not contain any data. When you export a thumbnail, this piece is always skipped.
Then the remaining three tables are skipped. The first of them is called the 'false' exif because the header of that table is the header which is used by the real exif table (FFE1) But the name of the table is not Exif.
Then you see how much memory, in bytes, you have saved by removing the tables and the size of the image in pixels. The copy of the image is also shown on your screen.

After optimizing the photo. If you have chosen to optimize the photo, you also get this piece on your screen. It is exactly the same method of analyzing the photo as in the first step, but now done after the photo has been optimized by Exifiron.
Only the Exif table is found now because all the other tables are skipped while this copy was made. And in this example, the optimizing process made the photo 53830 bytes smaller, but this has no effect on the quality of the photo itself. And the optimized photo itself is shown small on the screen.
Finally you see that the sample thumbnail and sample copy are deleted. Because in this case the program was in 'demo mode' because the photo was dropped on the window while the All photos in this single folder. was selected.

Other functions dialogbox. Copy photos to folder / delete superfluous photos from csv. rename photos, write data and/or shift time in photos in folder. (or a set of folders.) Extract thumbnails and/or remove tables from photos in a folder or a set of folders. Search for copies in a folder or in a set of folders. Create csv file from metadata from all photos in a folder or in a list with folders. Write metadata from csv file in all photos in a folder. Write metadata from screen in all photos in a folder. Change, create or combine text and/or csv files. Write exif time as iptc time and/or name of photos in photos and/or swap comment. Write relative foldertree to current textfile with foldernames. Use metadata in photos to select photos for a slidesow.
Clicking on any of the buttons on this picture brings you directly to that page of the explanation. Or you can go back to the start of the main page or back to other functions on the main page.

Or you can go back to where you came from.

Hans van der Hoeven
Liesbospark 28
4813 HV Breda
The Netherlands
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URL: www.photoorganizer.nl
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