Yesterday I answered a question on tridion.stackexchange.com. Robert Curlette had asked how to clear the messages from the message centre and I was lucky enough to find the answer almost immediately. So I posted it. It had turned out to be a single line of javascript that you could run from the browser console.

Tridion.MessageCenter.getMessages().forEach(function(message){message.doArchive();})

Very shortly afterwards, it dawned on me that if this worked as a bookmarklet, it would be superb. So I updated the answer with the same code as a bookmarklet. Unfortunately (OK, fortunately), Stack Exchange won't let you post links with JavaScript in them, and a really nice way to install a bookmarklet is to drag such a link to your browser's bookmark bar. So here's the bookmarklet as a link (although actually I've used Alex Klock's improved version):

Clear Messages

Update: the bookmarklet as I had it didn't work in 2013 because of the extra frames added for the slide-out navigation. It's now updated (thanks to Peter and Orlov) to take account of this.

Clear Messages (2013 version)

I am very pleased with the idea of a GUI Extension as a bookmarklet. Using this approach, we have the possibility of carrying around our own personal toolkit in our browsers (or on a web page we can quickly drag links from), and not having to rely on whatever power tools or other extensions may or may not be installed on a given server. And don't be put off by the idea that a bookmarklet needs to be a one-liner. As an example of what can be done, I'd like to draw your attention to a bookmarklet I use regularly for checking accessibility - the excellent Html_Codesniffer by Squiz. This shows that you can have serious functionality, user interface etc. all in a bookmarklet.

So on to the challenge. Who can come up with the best SDL Tridion GUI Extension bookmarklet? It doesn't have to be complex or clever, as long as it's useful. Just tweet your entries with #tridionlet and I'll compile a list. If there are enough entries, I'll throw together a panel of judges and we'll pick a winner. (Yes - I know that's a bit relaxed, but I just thought of this.)