Cryptext

Encrypts and decrypts text using various encoding methods.

Quick Currency Converter

Currencies based on current average exchange rates of foreign currencies.

Thesaurus.com Synonym Finder

Quickly find synonyms for the selected word on Thesaurus.com.

SortTabs

An add-on that sorts tabs by URL, domain, title, and access time.

PageRank Replacement by LinkResearchTools

The LRT Power*Trust metric helps you evaluate the quality and trustworthiness of a domain or page you are currently visiting.

Zabbix Vue

Connects to Zabbix servers to display current problems. Supports multiple servers, browser icon is updated for number and severity of issues, popup list can be filtered & sorted, and items can be clicked for action buttons.

Close Tab Context Menu

Close web page by Context Menu

mPage

Simple dashboard-like RSS feed reader.

HTML-Table Scraper

Scrape HTML Table Data to Clipboard or Save-to-File in either CSV or TAB delimited with options

Soupcan

Support trans people and improving your experience on Twitter

Environment Marker

Provides a way to add a color indicator or marker (ribbon) on a web page depending on the URL.

Letterboxd Extras

Displays additional scores on Letterboxd (IMDb, Rotten Tomatoes, Metacritic, and CinemaScore).

Harbor Freight Coupons

Automatically find and display harbor freight coupons on their website from hfqpdb.com

Firenvim

Turn Firefox into a Neovim client.

Check XSS

Plugin helps in finding site vulnerabilities such as XSS, SQL injection and CRLF. Check XSS makes it possible for you to text XSS (CRLF and SQL commands) with context menu with just 2 mouse clicks.

BrickHunter

Fills automatic your Pick a Brick shopping cart from a imported BrickLink wanted list.

YouTube Adblock

Block ads on YouTube automatically and effortlessly.

Communicator Call

Use Communicator to call numbers in Firefox.

Sygic Truck Route Sender

This extension sends the route from Google maps to Sygic Truck navigation app on a phone.

Drag & DropZones (Revived)

Replace the context menu with fancy Drag & DropZones

The Pirate Bay Plus

Tweaks and Fixes for The Pirate Bay.

Video Downloader for Instagram

Our Video Downloader for instagram can help you download and save video from your instagram news feed, followers, etc.

Trello Card Counter

This extension allows you to always display the number of cards in each lists on a Trello board. It uses native trello features, with no additional javascript to guarantee fast execution.

Right Click Search

Use the context menu to search using the engines in the Firefox search settings. This add-on requires Firefox version 63 or later.

SAML to AWS STS Keys

Generates file with AWS STS Keys after logging in to AWS webconsole using SSO (SAML 2.0). It leverages 'assumeRoleWithSAML' API.

Most Recent Tab - Keyboard shortcut for last tab

Adds a keyboard shortcut (default: control-shift-1 / cmd-shift-1) and toolbar button to quickly go back to the previously selected tab. Useful to alternate between two tabs and to easy go back to your last tab if you switch to another briefly.