MIDI support for browsers
Saves the current page as image file or copies it to clipboard.
Allows to visualize the electricity consumption and greenhouse gases (GHG) emissions that your Internet browsing leads to.
[No License, FOREVER FREE] A HackBar for new firefox (Firefox Quantum). This addon is written in webextension and alternatives to the XUL version of original Hackbar. You can ask request here: https://github.com/Hack-Free/HackBar
Selenium IDE alternative to record and export Selenium scripts. Provides reports & screenshots. Fast & open-sourced.
Download login-protected files from the command line using curl, wget or aria2.
The easiest way to capture, share, and bookmark from the web.
PixelZoomer takes a screenshot of the current website and provides various tools for pixel analysis. You can zoom into websites (up to 3200%), measure distances and pick colors with an eye dropper.
Web extension based version of LiveReload. Supports Firefox 57 (Firefox Quantum)
The extension generates a document-map or index of any web document structured with headings and/or with sections in HTML 5. It shows the headings structure, the errors in the structure (ie. incorrect levels), and it works as HTML5 Outliner too.
The Query & Answer System for the Coder Community
Allows to change the language identifier sent to webservers to whatever language you need.
Pretty XML is a browser-based XML viewer
Removes cookies for the current site
Toggle between direct connection and a single proxy server via a toolbar icon.
Go full screen with one click on the full screen button. That includes also the full screen movies such as the YouTube, Vimeo, Dailymotion, Youku video player, etc.
Display the server IP address, with a realtime summary of IPv4, IPv6, and HTTPS information across all page elements. (This is primarily a Chrome extension, so it's a bit glitchy due to Firefox's inexact implementation of the APIs.)
Construct custom Web Socket requests and handle responses to directly test your Web Socket services.
Purple AdBlock is a adblock for Twitch.tv
Расширение, позволяющее значительно ускорить сбор фраз с помощью сервиса подбора слов Яндекс (wordstat)
Parses the WSDL files and generates SOAP messages for you.
Adds a page action to pretty-print JSON. Unlike similar extensions, this simply pretty-prints it. It doesn't add any kind of viewer, colors, or collapsing. If you want this to work as expected, disable devtools.jsonview.enabled in about:config.
Productivity tools for Salesforce.com administrators and developers to inspect data and metadata.
The extension rewrite the header (request or response) based on a rules table. It 's possible to add, modify or remove header fields for a choosen url pattern. It's possible to import/export the configuration