You can press CTRL+S in ANY browser to save the work you’re working with, including posts and pages.
Some features:
<ul>
<li>Saves your current work by pressing CTRL+S</li>
<li>Works in all browsers (thanks <a href="http://www.openjs.com/" title="Open JS" rel="nofollow ugc">Binny V A</a>)</li>
<li>No jQuery</li>
<li>Made in Sweden</li>
</ul>

The Saver

This plugins allows you to publish your posts/pages and update your files in the admin panel by pressing CTRL+S.

Provides you a shortcut from blog to admin interface without putting any disturbing link in your page. It enables you to type specified text when you’re in your blog (and not any input field in page), then magically go to admin interface.

Keys to Admin

Provides you a shortcut from blog to admin interface without putting any disturbing link in your page.

The Saver vs Keys to Admin