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PNG Gamma

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Currently have an image that was edited in Paint.net version 3.5.5. I have the metadata for the photo and it seems as though the gamma was upped by 2.2. If I put the photo in the newest version of Paint.net and revert the changes will it give me back the original photo or has the scaling for gamma in paint.net been changed since?

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The embedded gamma information in PNG files is just stupid. Different programs handle it differently. It doesn't make sense it use it anymore, because no one uses CRT monitors these days.


So, I recommend just removing the gamma chunk from your PNG file.

If you use a lossless image compressor, like PNGGauntlet, it will automatically remove the gamma chunk.

More information and alternative tools here: https://jonathannicol.com/blog/2006/12/01/fixing-png-gamma/

(September 25th, 2023)  Sorry about any broken images in my posts. I am aware of the issue.

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