Flickr Full-Size Bookmarklet

A few months ago I discovered that Flickr has no security for images. Flickr has a nice feature which allows users to assign variable levels of copyright protection on images, from full copyright to various Creative Commons licenses. Images with less restrictive licenses show an "All Sizes" link which will let visitors download the image in various sizes. Images with full copyright do not show this link.

But the copyrighted images are still freely available for everyone to download. Flickr is relying on obscurity over actual security to prevent downloads of copyrighted images. And it's not even very good obscurity at that. To find an image, we need to know which server it is on, the ID of the image, and a "secret" key that's added to the image address. A quick glance at the source of any Flickr photo page shows that this information is stored in JavaScript variables named "server," "id," and "secret" respectively. It would appear that they're not even trying to protect these images.

This isn't much of a problem as long as only people with enough technical knowledge to look at the source code of a page can find the images, but I suspect there will be a good number of Flickr users who be a bit upset when anyone can download their full-size copyrighted images with a single click. It is with my sympathies for these users that I publish the following bookmarklet that you can click when viewing any image page on Flickr to get the original full-size version of that image:

Get Flickr Original

My goal here isn't to facilitate the downloading of images that Flick users don't want downloaded, but rather to point out that Flickr has already facilitated such downloading. This is a public service announcement: Flickr has no image security.

you can always just take a screenshot of any image - so how much security are we talkin here? there can be no total security
michael, you can only take a screen shot of an image at a size you can see. That's why the full size versions aren't shown for copyrighted images. Anyone can copy the smaller version, but you can't copy the full size version if you don't know where it is. This bookmarklet shows you where it is. I don't think most Flickr users realize the full size version is on a publicly available web server at all.
Just would like to thank you for this clarification concerning the security of photos on-line.
doesn't work???
PB, what browser are you using? It's still working for me.
Oh wait... I'm using the newer version. Try that.
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