The Top 20 Greasemonkey and Tampermonkey User Scripts

Enhance your web browser's capabilities with these free extensions

Greasemonkey and Tampermonkey significantly enhance your web browser's capabilities. These powerful add-ons let you choose from thousands of unique user scripts that modify the behavior or appearance of a web page. Written by private developers in the JavaScript programming language, the functionality of these scripts range from downloading entire Facebook and Instagram albums in one click to completely revamping Pandora's look and feel. Install either Greasemonkey or Tampermonkey, depending on your browser, to serve as your user-script manager — then search for extensions, or check out the ones we've highlighted below.

Installing and Using Greasemonkey

Illustration of hands on keyboard writing script next to cup of coffee, glasses, and phone
vladwel / Getty Images

Greasemonkey is only available for Firefox. To get started, visit the Greasemonkey download page, found on Mozilla's add-ons website.

After Firefox restarts, a new button in the form of a smiling monkey appears in your browser's address bar. Clicking the smiling monkey button toggles the Greasemonkey extension. Selecting the down arrow accompanying the button lets you modify Greasemonkey's settings and open Firefox's User Scripts management interface.

Installing and Using Tampermonkey

Unlike Greasemonkey, which only runs on Firefox, Tampermonkey is available for a wide range of web browsers. What is similar to Greasemonkey, however, is that the Tampermonkey add-on is also managed through the menu associated with its address bar button. From here you toggle its functionality off and on, check for updates, create your own user script and open a dashboard where you can manage Tampermonkey's settings as well as all the scripts that have been installed.

To install Tampermonkey on Chrome, Microsoft Edge, Firefox, Safari, and Opera Next, visit the extension's official website and follow the instructions specific to your browser.

Finding More User Scripts

When you are ready to start searching for scripts, the following sites are your best starting points. Not every script works across all browsers, so verify the corresponding description/notes before installation. 

  • Greasy Fork: With a rapidly growing compendium of over 10,000 scripts, a well-maintained and easy-to-use interface, and active forum, Greasy Fork is a terrific source for user scripts. There's even a script available titled Greasy Fork Bull**** Filter that makes searching the site even easier by hiding all scripts for games and social networks, as well as those using non-English characters in their Greasy Fork descriptions.
  • OpenUserJS: Another user-friendly repository with a constantly expanding selection, OpenUserJS offers a wide range of scripts.
  • (mirror): At one time, was the only place to go if you wanted to find the best scripts. Unfortunately, it was taken offline a while back and is now available as a mirrored site on a different domain. While you'll find thousands of scripts on this mirror site, you'll also find that many of them are not safe. Use added discretion when downloading from the mirror.

The Top User Scripts

Here are some of the best scripts, listed in alphabetical order. 

User scripts are not vetted in the same fashion that most browser extensions are, so you should use them at your own risk. The scripts featured here each have a significant user base and have proven to be relatively safe. With that said, there are no guarantees when it comes to their overall safety.

Amazon Smile Redirect

Whenever you shop on Amazon Smile as opposed to the main site, a portion of your eligible purchase price is donated to your favorite nonprofit charity. This script ensures that you're always redirected to each time you shop on Amazon. 

Anti-Adblock Killer

While many websites either recommend or force you to disable ad-blocking software such as Adblock Plus, this script can override that restriction in some cases and allow your ad blocker to function as expected. It's not perfect, but it's better than nothing.


A lot of free downloads are coupled with additional applications, extensions, or settings modifications that you probably don't want. These potentially unwanted programs include somewhat harmless additions such as a branded browser toolbar or a change to your home page, but can also mean installing adware and other less-than-reputable software. This script does a good job of removing these unwanted items on some of the web's most popular sites.

Auto Close YouTube Ads

This configurable script automatically closes YouTube video ads after a time delay that you decide on. It also offers an option to mute these advertisements as soon as they launch.

Direct Links Out

Many websites display a warning and require user interaction when you click a link that redirects to another site. This script disables that functionality on many well-known domains including Google, YouTube, Facebook, and Twitter.

Feedly Filtering and Sorting

The Feedly Filtering and Sorting script adds some useful features such as advanced keyword matching, auto-load, filtering, and restricting to the popular news-aggregation site.

Google Hit Hider by Domain

Block certain websites or entire domains from appearing in your search engine results with this script. The title is a bit misleading, as it supports Bing, DuckDuckGo, Yahoo and some other search engines in addition to Google. 

It works best with Chrome or Firefox.

Google Search Extra Buttons

This script adds some useful buttons to Google's engine, including a tool to search for PDF documents and search for results only from user-specified time intervals including days, weeks, months, years, and hours.

Instagram Reloaded

View and download full-size images and videos from Instagram simply by pressing a keyboard shortcut with this script.

This script works with all browsers, but the direct-download feature only works with Chrome.

Linkify Plus Plus

This script converts text URLs and IP addresses into links to their respective destinations.

Manga Loader

If you're a fan of the Japanese comic genre, this script comes in handy by displaying complete chapters on one page in an easy-to-read long-strip format on many of the web's most popular Manga sites.

Pinterest Without Registration

This script lets you browse image collections on Pinterest without having to create an account on the site, although it does not work as expected on all pages.

Remove Sponsored Posts

This script hides suggested posts and sponsored stories in your Facebook feed.

Resize YT to Window Size

Modify the YouTube interface so that the most important component — the video itself — takes precedence in your browser's viewing area, with this script.

Rotten Tomatoes Link on IMDb

A neat addition for movie buffs, this script adds a button that links to the Rotten Tomatoes movie description on every IMDb page, when applicable.

Simple YouTube MP3 Button

This script adds a button that downloads the audio behind almost any YouTube video, converting it into an MP3 on-the-fly before the file is retrieved from the server. Tooltip

Use this script to translate selected text on a web page to the language of your choice with just the Alt key and your cursor.

Tumblr: Mass Post Features

This script significantly enhances Tumblr's Mass Post Editor, adding more than a dozen new abilities to the blogging site's batch re-tagging/deletion tool.

Wide GitHub

Programmers find this script useful. It resizes all GitHub repository pages for a better look and feel.

YouTube Best Video Downloader 2

This YouTube download script retrieves videos in several different formats through its conveniently placed drop-down menu.