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5,767 extensions found in Web Development

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  • ClickJacking

    ClickJacking

    ClickJacking is a tool developed by Pentester Helper to help website owners determine if their website is vulnerable to clickjacking.

    Pentester Helper

    229 users

  • KOSHIAN メール欄を表示

    KOSHIAN メール欄を表示

    メール欄を表示します

    Pachira

    227 users

  • CSS Layout Debugger

    CSS Layout Debugger

    When activated, CSS Layout Debugger applies dynamic backgrounds and outlines to elements on the page in order to assist in layout debugging.

    CSS Layout Debugger

    226 users

  • all-in-one

    all-in-one

    Facility for providing suite of tools for handling web components e.g. standard formats HTML, RSS, M3U8, and more.

    Firefox user 15314155

    226 users

  • DevTools z-index

    DevTools z-index

    Adds "z-index" panel to DevTools. It shows ranking of elements sorted by z-index value. This would help you to reduce z-index numbers. Stop `z-index: 999999` !!

    Ginpei / ギンペイ

    224 users

  • Heading Tag Markup

    Heading Tag Markup

    This extension visual highlights the h-Tag on every page.

    Thomas Czernik

    224 users

  • Internet Connection Monitor

    Internet Connection Monitor

    Monitor the internet connection and display status in the toolbar.

    hazharmaroufi

    223 users

  • Console Recorder for AWS

    Console Recorder for AWS

    Records actions made in the AWS Management Console and outputs the equivalent CLI/SDK commands and CloudFormation/Terraform templates.

    Ian Mckay

    222 users

  • Rentgen

    Rentgen

    Rentgen illustrates the amount of tracking scripts on a website and helps with formulating an email to the website admin, which can be a basis for a GDPR complaint.

    “Internet. Time to act!” Foundation

    222 users

  • Histogram Viewer

    Histogram Viewer

    Generates the histogram of a selected image.

    David Fichtmueller

    221 users

  • Easy QR

    Easy QR

    Easy QR code, the best QR extension. Generate offline QR Code with a simple click!

    iToolkit

    221 users

  • Dom Tree and CSS Playground

    Dom Tree and CSS Playground

    On ANY web site, easily find/edit the web elements and styles that you need, in real time. Use css playground to micro-view 100's of styles in seconds. NOTE: Use your shortcut key "f" allot.

    Jody Brabec

    220 users

  • JsonDiscovery

    JsonDiscovery

    Browser extension that changes the way you're viewing JSON

    exdis

    220 users

  • xStyle

    xStyle

    Restyle the web with xStyle, a user styles manager. With xStyle you can install themes & skins for many sites and create your own.

    泷涯

    218 users

  • DOMLogger++

    DOMLogger++

    DOMLogger++ allows you to monitor, intercept, and debug JavaScript sinks based on customizable configurations.

    Kévin (Mizu)

    217 users

  • Textern

    Textern

    Edit text in your favourite external editor!

    Jonathan Lebon

    217 users

  • かんたん文字数カウント

    かんたん文字数カウント

    選択したテキストの文字数を数えることができるFirefox アドオンです。 記事の文字数の確認や校正などにご活用ください。

    Masaki Wakatake

    216 users

  • Cache Longer

    Cache Longer

    Cache Longer speeds up your browsing by make your browser cache things for longer.

    Rimu

    215 users

  • Plain Text Linker

    Plain Text Linker

    Opens plain text URLs when you double-click on them.

    Marnes

    214 users

  • Form Hack

    Form Hack

    Show hidden inputs in HTML pages with this simple addon. The addon was created for testing purposes. In the newer version the name or the id of the hidden input is displayed.

    Leonidas Christou

    214 users

  • 网站 IP 信息查询

    网站 IP 信息查询

    查询当前访问网站的 IP 地址的地理位置，国旗，所属 ASN，端口开放信息等信息。

    北京天特信科技有限公司

    213 users

  • Socket.IO Test Client

    Socket.IO Test Client

    A Simple Socketio Client Development Tool

    serajhqi

    212 users

  • LiveGamers.pl - Dodatek

    LiveGamers.pl - Dodatek

    Rozszerzenie umożliwiające poprawne odtwarzanie video w serwisach LiveGamers.pl.

    livegamers

    210 users

  • Easy DNS lookup

    Easy DNS lookup

    Utility to do DNS lookups directly to DNS APIs and display the response in the addon.

    wesinator

    210 users

  • 九头虫数据采集（页面自动化采集）

    九头虫数据采集（页面自动化采集）

    一款强大且<b>免费</b>的数据采集工具能实现：单页数据采集、多页数据采集、接口数据采集、页面自动化操作、支持数据下载（Excel、json） 、支持定时执行

    老虎

    209 users