Metanull is a small-sized and portable application developed for removing EXIF, IPTC, XMP and GPS information from JPEG files.
It comes in handy whenever you want to reduce the total size of images saved on a digital camera or other removable device.
Since installation is not a prerequisite, Metanull can be run on any workstation directly from a pen drive or other similar removable device.
Plus, it does not add new entries to the Windows registry, nor create extra files on the HDD without the user's consent, as it sometimes happens with installers.
The program is wrapped in a user-friendly GUI, based on a single window with a well-defined layout, facilitating quick access to all options available.
Apart from processing a single file (via file browser), you can remove metadata from multiple images at the same time using the folder view, with or without subdirectories. Metanull scans folders to identify JPEG-formatted files, so the location in question may contain additional file types as well.
It is possible to point out a saving directory for the new images and also ask Metanull to preserve the original folder structure. In other words, the utility does not overwrite the original pictures, so creating backups is not necessary.
On the bottom part of the screen are shown log details concerning the original and resulted size for all times, along with the difference, task duration and total images.
The straightforward program uses low CPU and RAM, so it does not affect overall performance. It removes metadata info quickly. The JPG size reduction is noticeable. However, Metanull's main drawback is that it doesn't give the possibility of selecting custom metadata parts. Instead, it automatically removes everything.
Nevertheless, Metanull gets the job done and should please users with no experience in graphics editing tools, thanks to its overall simplicity.
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