>JPEG images can include an embedded thumbnail image, along with the camera/software metadata.>Sometimes the thumbnail doesn't match the full-size picture (because it wasn't updated after editing, or because of shenanigans).Saving this image gives you

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File: 1739641586728.jpg (119.43 KB, 480x530, __saya_saya_no_uta__d79a61….jpg)

Anonymous 02/15/25 (Sat) 17:46:26 No.726

>JPEG images can include an embedded thumbnail image, along with the camera/software metadata.
>Sometimes the thumbnail doesn't match the full-size picture (because it wasn't updated after editing, or because of shenanigans).
Saving this image gives you a surprise. This is the original image that was saved on danbooru almost 20 years ago.
Saving this image from 4chan however no longer gives you the same surprise it once did. This is because 4chan edits the image and this changes the exif data somehow.
So what meta files are they adding to the images?

Anonymous 02/15/25 (Sat) 20:28:09 No.728

File: 1739651289667.jpg (2.88 KB, 109x120, Untitled.jpg)

It's this, if anyone is wondering.

I didn't know JPG had a dedicated EXIF thumbnail at all.

Anonymous 02/16/25 (Sun) 02:37:22 No.740

https://desuarchive.org/mlp/thread/40429708/#40429792

Anonymous 02/16/25 (Sun) 02:48:53 No.741

File: 1739674133781.jpg (1.87 MB, 2592x1936, 1335740504411.jpg)

pretty sure they remove exif data to prevent accidental doxxing on all boards except /p/hotography
this update happened around 2018~