Block HTTP
Block HTTP Access Notice: This add-on is no longer in development. Please use Firefox's HTTPS-Only mode.
7 users
F2 Prompts
Summon your personal prompt arsenal with F2. Instantly manage, edit, and insert your custom commands and templates into any input field on any webpage. (This is short, powerful, and immediately explains the core value.)
7 users
HTTP/3 & QUIC Checker
See instantly whether a website supports HTTP/3 and QUIC. The toolbar icon shows the HTTP version as a colored number: green 3 for HTTP/3, yellow 2 for HTTP/2, grey 1 for HTTP/1.1. Click for details. All analysis is local, no data collection.
7 users
WhatsTheTech
An addon for web browser to identify the technology, such as WebServer, JavaScript Library, WebAPI and WebFramework, used by websites.
7 users
WebWidgetizer
Web Widgetizer is an extension for Firefox browsers designed to enhance your browsing experience through pop-up windows, providing handy tools for managing and accessing your favorite links. Extension opens specific links in a dedicated popup tab.
6 users
Forex Calculator Suite
All-in-one Forex calculator: PIP value, lot size/position size, leverage, and profit/loss — fast risk-management tool for traders.
6 users
ScheduledSurfer
The ScheduledSurfer extension provides a simple and efficient solution for those who want to automate the refreshing of their current browser tab. With this plugin, users can set a specific time and frequency for auto refresh.
6 users
Broken Images
The "Broken Images" Firefox addon is a handy tool designed to enhance your browsing experience by identifying and highlighting broken or missing images on web pages. With its intuitive interface and seamless integration
6 users
Simple Google PageSpeed Insights
This add-on shows the Google PageSpeed score of the current page with a single click.
6 users
FFSleep
FFSleep is a lightweight performance tool that helps you save RAM and CPU by putting inactive tabs to sleep. Reclaim your system resources with a single click
6 users
True Multiview Video Wall Engine
Tiles video configurations into minimal edge-to-edge desktop grids.
6 users
Tiện Ích Tra Cứu Danh Mục
Tra cứu nhanh mã ngân hàng, mục lục ngân sách nhà nước, mã chương, ngành, CTMT
6 users
Onyx Notes - Markdown Editor
A note-taking application with Markdown support, live preview, code highlighting, Mermaid diagrams, LaTeX support, and mindmapping to enhancing your productivity
6 users
Auto Refresher Pro
Automatically refresh web pages at set intervals with smart detection and monitoring options.
6 users
