Tampermonkey is the world's most popular userscript manager.

Waardering 4 van 5 sterren (51)
41.333 gebruikers

Copy Plain Text 2 Vereist herstart Aanbevolen

Kopieert geselecteerde tekst zonder opmaak.

Waardering 5 van 5 sterren (81)
39.780 gebruikers

Disable Add-on Compatibility Checks

Reinstates the extensions.checkCompatibility preference without respect to the current application version.

Waardering 4 van 5 sterren (108)
37.862 gebruikers

Secure Login Vereist herstart

Secure Login is an extension for Firefox integrated password manager.

For Firefox > 51, try my WebExtension implementation: https://addons.mozilla.org/en-US/firefox/addon/secure-login-webextension/

Waardering 4 van 5 sterren (406)
36.608 gebruikers

Selenium IDE Button Vereist herstart

Just one simple toolbar button to open Selenium IDE. You need to have installed Selenium IDE: http://seleniumhq.org/projects/ide/

Waardering 5 van 5 sterren (8)
33.876 gebruikers

YouTube Center

YouTube Center contains all kind of different useful functions which makes your visit on YouTube much more entertaining.

Waardering 3 van 5 sterren (276)
33.684 gebruikers

PrintPDF Vereist herstart

This allows users on Windows and Linux to print web pages to PDF. Mac users you already have this functionality.

Waardering 3 van 5 sterren (206)
33.522 gebruikers

Minimize On Start and Close Vereist herstart

A remake of the MinimizeToTray-extension made to fit the Windows 7 taskbar. Instead of minimize the window to the tray it minimize it to the taskbar. It can minimize on startup, when the window is closed and/or when the esc key is pressed.

Waardering 4 van 5 sterren (102)
33.250 gebruikers

APK Downloader

Download APK files from Google Play Store (Android Market) for free, from your browser.

Waardering 4 van 5 sterren (90)
30.399 gebruikers

Show My Password Vereist herstart

You are annoyed because your password fields are always scrambled though nobody else but you can see the screen? This most advanced unscrambling addon shows your passwords in readable letters, while being fully customizable to fit your needs.

Waardering 5 van 5 sterren (83)
30.042 gebruikers

PDF Mage

Save any page as PDF

Waardering 4 van 5 sterren (56)
29.564 gebruikers

Web2PDF Converter Vereist herstart

Web page to PDF conversion tool

Waardering 4 van 5 sterren (93)
29.490 gebruikers


"Restart" menu and button, with configurable shortcut key.

Waardering 5 van 5 sterren (70)
27.581 gebruikers

QuickNote Vereist herstart

Een extensie om notities te maken met geavanceerde functies.

Waardering 5 van 5 sterren (164)
27.286 gebruikers

Diagnostics for Adblock Plus

Diagnostics tool for Adblock Plus, provides some insight into internal processes of Adblock Plus.

Nog niet gewaardeerd
26.728 gebruikers

YouTube Plus

YouTube with more freedom.

Waardering 5 van 5 sterren (78)
24.624 gebruikers

Grab and Drag Vereist herstart

Enables Adobe Acrobat-style grab and drag scrolling, Flick gestures, and Momentum scrolling in Firefox. Useful for (older) pen or touchscreen-based devices for which these gestures are not natively supported. Not useful on Windows 8 touch devices.

Waardering 4 van 5 sterren (257)
23.959 gebruikers

Memory Restart Vereist herstart

Gives you a quick way to restart if memory usage is too high.

Waardering 4 van 5 sterren (135)
23.926 gebruikers

GPO support For Firefox and Thunderbird

Firefox and Thunderbird extension to manage user preferences and user profile CA certificates using group policy

Waardering 4 van 5 sterren (12)
23.919 gebruikers

Nightly Tester Tools Vereist herstart

Useful tools for the nightly tester.

Waardering 4 van 5 sterren (195)
22.360 gebruikers