I have tried increasing the Snap distance, but even then, sometimes I accidentally move a guide when I'm trying to do a lot of repetitive tasks quickly.
Is there a way to lock guides in GIMP?
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Sign up to join this communityNo there isn't a way to lock the guides. However when using the Move tool you can hold down Shift when using the Move tool, so that the guide will not be able to be selected or moved accidentally.
This behaviour is documented in the user manual here
Possible work around: instead of adding guides, create a Path (with vertical & horizontal lines) with the path tool, then check View>Snap to active path. The path ill behave as a guide, but you won't be able to move it by accident.
You can mark, in move tool, the option to move the active layer, then the guides are blocked. I do this in Gimp 2.10.