・Firefoxの定番アドオン

Easy Screenshot
https://addons.mozilla.org/ja/firefox/addon/easyscreenshot/
Enhancer for YouTube
https://addons.mozilla.org/ja/firefox/addon/enhancer-for-youtube/
Feedbro
https://addons.mozilla.org/ja/android/addon/feedbroreader/
FeedBro RSS Japanese language
https://github.com/ktkr3d/feedbro-locale
Gesturefy
https://addons.mozilla.org/ja/firefox/addon/gesturefy/
Ghostery
https://addons.mozilla.org/ja/firefox/addon/ghostery/
HTTPS Everywhere
https://addons.mozilla.org/ja/firefox/addon/https-everywhere/
NoScript Security Suite
https://addons.mozilla.org/ja/firefox/addon/noscript/
Privacy Badge
https://addons.mozilla.org/ja/firefox/addon/privacy-badger17/
To Google Translate
https://addons.mozilla.org/ja/firefox/addon/to-google-translate/
uBlock Origin
https://addons.mozilla.org/ja/firefox/addon/ublock-origin/
Dark Reader
https://addons.mozilla.org/ja/firefox/addon/darkreader/
Tab Session Manage
https://addons.mozilla.org/ja/firefox/addon/tab-session-manager/
IDM Integration Module
https://addons.mozilla.org/ja/firefox/addon/tonec-idm-integration-module/
Greasemonkey
https://addons.mozilla.org/ja/firefox/addon/greasemonkey/
Tampermonkey
https://addons.mozilla.org/ja/firefox/addon/tampermonkey/