Firefox Add-Ons Guide : firefox
Bulk Media Downloader
Copy Selected Links
Download Star
Exif Viewer
FireShot
Google Translator for Firefox
KeePassXC-Browser
MJsonViewer
Multi-Account Containers
Nimbus Screen Capture
NoScript Security Suite
OneTab
Resurrect Pages
Image Search Options
User-Agent Switcher
Video DownloadHelper
The Stream Detector