Saturation/Level adjustment to all layers

[KonstantinN]

GIMP Version: 2.8.4
Operating System: Linux
OS Version: Ubuntu 12.10
GIMP Experience: Basic Level

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Hello,

I need help for adding saturation and level adjustment to all my layers the way Photoshop adjustment layer does. I have been searching for answer to this multiple hour without any success. Am I missing something essential or is GIMP just incapable for doing this?

I have file with around 50 layers and I have multiple files like this. Adding saturation present, even if it is saved, for a layer one by one is simply out of the question!

Thanks!

[Ronounours]

I would suggest using the HSV mixer from G'MIC, with 'Input mode -> All layers'.