IPTC editing lossless?

[spankee]

Hi! does XnView support lossless editing?
Thanks

[Olivier_G]

IPTC data are metadata that are added "along" the image and embedded in the file. It shouldn't affect the image part at all...

Just to be quite sure , I used imagemagick "identify -verbose" to check that the Signature (ie: checksum) of the image was the same before and after IPTC creation/edition (I used all fields). Results => Same-Same...

So yes: XnView does support lossless editing (just as it should be).

Olivier

[Guest]

Great! Thanks for testing that!

[marsh]

The browser's compare tool displays equal crc also (interesting to me because it shows that the image data is being checked (unlike a typical archiver which uses the whole file).