Font Inspector (WebExtension) – Get this Extension for 🦊 Firefox (en-US)

Download Font Inspector (WebExtension) for Firefox. Click on any element to get the font info in a page popup

Pinboard WebExtension – Get this Extension for 🦊 Firefox (en-US)

Extension Inspector – Get this Extension for 🦊 Firefox (en-US)

How to enable Firefox WebExtensions on Mozilla websites - gHacks Tech News

Copy PlainText – Get this Extension for 🦊 Firefox (en-US)

javascript - Browser Extension Manifest v3 with webextension-polyfill does not allow browser.browserAction.onClicked (on Chrome) - Stack Overflow

ContextSearch web-ext – Get this Extension for 🦊 Firefox (en-US)

Add Firefox support to the browser extension · Issue #235 · testing-library/testing-playground · GitHub

Tomato Clock – Get this Extension for 🦊 Firefox (en-US)

How to enable Firefox WebExtensions on Mozilla websites - gHacks Tech News

Extension source viewer – Get this Extension for 🦊 Firefox (en-US)

RESTer – Get this Extension for 🦊 Firefox (en-US)

WhatFont – Get this Extension for 🦊 Firefox (en-US)

Pinboard WebExtension – Get this Extension for 🦊 Firefox (en-US)