02-11-2021, 08:54 AM
(02-10-2021, 09:50 PM)kenny1999 Wrote:(02-10-2021, 09:45 PM)eepjr24 Wrote: Are you talking about file metadata? Or a hidden (not displayed) layer? Or something else?
I am talking about a picture , and then I draw a solid square box (for example) on top
of part of a picture because I want to hide this part, and save it as jpg/jpeg/bmp, is it then
impossible to remove the square box and show the hidden part again??
For a jpeg image ? Recover redacted parts? No. A jpeg is just a collection of pixels, nothing under them.
However there is possibly lots of other information. Could an embedded thumbnail keep the pre-redacted image ? Unlikely but a very tiny possibility.
More than a few ways of removing all the excess information. Guessing a GUI is favourable for you.
Get XNviewMP https://newsgroup.xnview.com/viewtopic.php?f=82&t=41429 This can strip that metadata from one or several images easily.
example: https://i.imgur.com/UPPAiMa.jpg Before - Lots of data, camera information, dates and times, sometimes geographical location. After - Only the color profile (RGB type).