To use these add-ons, you'll need to download Firefox.

Log in

12,631 extensions found in Web Development

Filter results
Search results
  • MDflow Web Clipper

    MDflow Web Clipper

    Save and highlight web pages to your MDflow workspace, in a private and durable Markdown format you can access offline.

    DataOps, s.r.o.

    1 user

  • ZentroPass — Password Manager

    ZentroPass — Password Manager

    Zero-knowledge password manager: autofill, passkeys, TOTP, cards, identities, anti-phishing, and a strong password generator.

    ZentroPass

    1 user

  • Vinted Speedy Page Navigation

    Vinted Speedy Page Navigation

    Navigate Vinted catalog pages faster using Ctrl + Left / Right arrows.

    chihabgoku

    1 user

  • Leet Cache

    Leet Cache

    Utilize spaced repetiton to efficiently 'grind' LeetCode problems.

    axyan

    1 user

  • Pagepopper lite

    Pagepopper lite

    Launch your sites with Confetti Celebrations. (Needs website to operate.)

    Bimochan Poudel

    1 user

  • Word Count

    Word Count

    Displays the number of characters on the current web page.

    KUWIN

    1 user

  • GPT批量问答

    GPT批量问答

    通过用ChatGPT批量回答你的问题

    Mikel

    1 user

  • hostinfo

    hostinfo

    Receive information of a domain directly in the browser when browsing a website

    albert

    1 user

  • Porkbun Search Price Filter

    Porkbun Search Price Filter

    Filters Porkbun search results by purchase and renewal price

    glazs

    1 user

  • Gescore Broker

    Gescore Broker

    Allows for efficient and secure extraction of specific data from DOM elements on web pages.

    Gescore Broker

    1 user

  • Distraction-Free Browser

    Distraction-Free Browser

    Hide distracting content on YouTube, Facebook, and TikTok.

    TintAungKhant

    1 user

  • Flex Subnetting

    Flex Subnetting

    IPv4 VLSM Subnet Calculator

    Flex Subnetting Developer

    1 user

  • Usearly – Feedback Assistant

    Usearly – Feedback Assistant

    Usearly – Partagez vos feedbacks, signalements, suggestions et de coup de cœur sur les sites web directement depuis votre navigateur.

    Usearly

    1 user

  • Snap Tab – Save PNG

    Snap Tab – Save PNG

    Chụp ảnh vùng hiển thị của tab hiện tại và lưu về máy (PNG). Có nút trong popup và menu chuột phải.

    tx88onlcom

    1 user

  • TCP Flags

    TCP Flags

    An offline, searchable 9 TCP flags reference. Clean, instant, private, for air-gapped systems, and always visible in your sidebar. Safe coding, no tracking, no data collection.

    Libor Benes (Dr. B)

    1 user

  • Offline Note Taker

    Offline Note Taker

    Take and save notes offline.

    MANCLUB

    1 user

  • Tab Close on Escape

    Tab Close on Escape

    Closes the current tab when the Escape key is pressed

    citzseat

    1 user

  • Word Frequency Inspector

    Word Frequency Inspector

    Analyze word frequency patterns on any webpage to understand text composition and writing style.

    Ug88win

    1 user

  • chatgpt-to-json

    chatgpt-to-json

    This addon allows to download json file from chatgpt conversation.

    Marcin

    1 user

  • History transmitter

    History transmitter

    This addon sends all accessed pages to a user defined server via HTTP/HTTPS.

    Jannis

    1 user

  • Code Injectolacer

    Code Injectolacer

    Inject code into websites! (JavaScript, CSS, HTML and Files)

    hao mien

    1 user

  • ChatGPT Power - Supercharge ChatGPT

    ChatGPT Power - Supercharge ChatGPT

    Folders, search, export, prompt library, and productivity tools for ChatGPT

    Nitrotech

    1 user

  • Spyglass Contrast Checker

    Spyglass Contrast Checker

    A tool for checking and fixing color contrast on web pages

    Deneb

    1 user

  • Simple THighlighter

    Simple THighlighter

    A simple highlighter extension for firefox. It's very simple to use and any beginner with no computer knowledge of whatsoever can use this extension, just follow the given steps in the description. It works on each type of webpage.

    Achintya Sharma

    1 user

  • SSL Certs Checker

    SSL Certs Checker

    Analyse binaire des OIDs pour détecter les certificats eIDAS QWAC et EV.

    gwnl-gthb

    1 user