Userscripts.org

Uncheck "Published" checkbox on jsperf.com edit page. ("uncheck if you want to fiddle around before making the page public")

Owned and captured Munzees are filtered from munzee.com/map without unchecking the boxes manually. You can also show ONLY special munzees.

Provides a very simple and useful method of checking, unchecking and toggling multiple checkboxes on a page. It provides two methods of selecting checkboxes - a menu showing multiple options, or dragging the mouse over the checkboxes you want to ...

Provides a button icon at the top left, within the webpage, click it to first save the form values, later click it again to fill in the form with the saved info. Also can record a mouse click on a page and have it replay any time you visit that...

Always set the "Let people photo reply" checkbox when making a new post

Automatically monitor topics to which you reply. Helps people like me who often miss conversations because they forget to check the damn box.

Check multiple checkboxes with ease by drawing a box around them to automatically select them all. Converted from nrlz's amazing CheckBoxMate Firefox Add-on (https://addons.mozilla.org/en-US/firefox/addon/9740). Works with Firefox 3.6.3.

This script will auto check the checkbox below of the page when you are uploading a content, media on triond.com

Allows one to click and drag between multiple checkboxes to select or deselect a range faster on most sites. Customizable auto un-checking of boxes when clicking on any buttons you define.

Unchecks boxes that are checked by default.

Uncheck a login form checkbox and focus on submit button

check all checkboxes ar none or invert

Checks all the checkboxes in the forum (currently there is only one: 'Notify me of responses by e-mail')

Marca arquivar mensagem automaticamente no Webmail do UOL

Check, uncheck or toggle all selected checkboxes from the "Tools/User Scripts Commands" menu

Toggle a range of checkboxes by clicking the first and shift-clicking the last (think selectboxes behaviour)

Lets you check or uncheck a range of checkboxes by clicking the first checkbox and then Shift+clicking the last checkbox.