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oozcitak / exiflibrary

A .Net Standard library for editing Exif metadata
MIT License
131 stars 48 forks source link

Recompression or not ? #101

Open sierramike opened 2 years ago

sierramike commented 2 years ago

Hi,

This is more a question than an issue, as you know JPEG is a destructive file format, re-saving is recompressing each time.

How can I ensure that the original data of the picture is not altered if I only want to modify exif values ?

Thanks

andyjohnson0 commented 2 years ago

As far as I know, exiflibrary doesn't decompress and re-compress the image data. When editing exif vaues, the image data part of the image file is preserved unchanged.