a customizable extension to save the images from the current tab page
An easy-to-use tab reloader with custom reloading time settings for individual tabs
A free extension of the web tool https://emojikeyboard.org. It helps input emoji in the web browser with an extensive search functionality.
Quickly and easily switch between popular user-agent strings.
Does everything for an HTML table: Copy (table/row/column/cell), Sort (multi-column), Search (regex, range operations ...), Filter, Chart, Statistics, Rearrange, Combine/Compare. To use: Right click in a real HTML table for the "tabletools2" option.
'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions. Beta builds on versions page!
The "NewScrollbars"-extension replaces default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".
Add-on to display GitHub code in tree format
Captures the web page faithfully with highly customizable configurations.
Control de explorador web usando los movimientos del ratón.
Blocks scripts (and more) on untrusted websites
Quickly and easily capture an image of a web page. Options allow you to control output format (PNG or JPEG), file name and more. This is a new WebExtensions implementation of Page Saver. It does not contain all of the features of its predecessor.