Hi,
It sounds like you have two concerns or issues to me. First is that your images are appearing smaller than you want. Second is that you are trying to fix that by updating the width/height settings to be larger, and that is not working. Am I correct on both of those?
1) On image size… Are you adding these images via the block editor (ie, with an image or gallery block)? If so, can you go to the image block, look at the side bar where the image block settings are, and find the ‘Resolution’ setting. My guess is that it is set to ‘Large’. Try setting it to ‘Full Size’ and see what happens.
Basically WordPress generates image sizes for you. By default it may try to use one of its auto-generated images sizes, which is smaller than your original. And as a rule, Fancybox won’t display an image larger than its actual size.
2) On the width/height settings, I should update the description to be more clear. But for images, these will only apply if Fancybox cannot determine the size of the underlying image and work with that. Otherwise, the size of the display is based on the size of the image OR, if the image is bigger than the window and you have ‘scale to fit’ turned on, the image will be scaled down to the window size plus anything you have set in the ‘Window margin’ setting.
In any case, can you give # 1 a try and let me know if the image displays larger?
If that does work, you’ll have a bit of a second problem which is that those are very large images to display would could affect load time of the images especially on mobile devices.
