Board Thread:Support Requests - Getting Technical/@comment-5558012-20141031012523/@comment-452-20141117151417

Titleblacklist only works on titles.

Curiously, if an image has more than 12.5 million pixels - 3535 x 3535 if square - the thumbnail does not render, so I think it's kinda odd that the image isn't just rejected. If it was rejected, then we would know there's a variable controlling it, which could likely be reduced.

I don't think it's possible to use javascript to intercept and reject the file when it's added to the form - and even if it were possible, it would be a TOU violation.

The optimal solution to this problem is likely just policy, not technical measures: Add a message to the upload interface that says "Please keep images below 3000x3000", and hope for the best.

One other way to approach the problem might be to ask Wikia Staff to reduce the 10mb limit to something lower - however, the size of an image varies due to a number of factors, so "a huge low quality image" can still have a small file size, so it's unlikely that this approach would work very well.

But personally, I don't think that unnecessarily large images are really something worth worrying about - I don't think Wikia are having disk space issues, and the original size doesn't effect their use in articles.

While you're likely correct that there's little reason to have images that large, there's also equally little reason to force resizing.

"if the quality is high you could see them on a smaller image" is not necessarily true, unless you're talking about the difference between a "huge, low quality JPG" and a "small, high quality JPG". But resizing a "huge, high quality image" to a "small, high quality image (of the same type)" is always going to lose detail. Whether or not that detail is important varies from image to image.

Knowing which wiki you're talking about, it's likely that there is not going to be significant detail lost. But on something like a video game wiki, resizing can reduce the visibility of text, which is why I have the opposite policy, and ask that maximum quality/size images be uploaded as possible.

One other possibility is to see if there's an extension that does this.