A REST client for the rest of us
Evaluate web accessibility within the Firefox browser. When activated, the WAVE extension injects icons and indicators into your page to give feedback about accessibility and to facilitate manual evaluation.
A simple eye-dropper & color-picker tool allowing you to select color values from webpages. You will need to enable the add-on bar Firefox menu->Options->Add-on Bar OR View->Toolbars->Add-on Bar Then refresh the page.
Manage your Polkadot accounts outside of dapps. Injects the accounts and allows signs transactions for a specific account.
Cache clearing made easy. One click.
A reference for the codes to generate Emojis on popular sites like GitHub or Basecamp and Unicode characters for Twitter and Facebook. Search Emojis by name or view recently selected items. Emojis are automatically copied to the clipboard.
Fast JSON viewer - highlights, shows items count/size, handles large files
Add and modify the HTTP request headers and response headers. Use ModHeader to: - Add / modify request and response headers - Add / modify cookies - Multi-profile support - Filtering based on URL, tab, or window - Export and share profiles
Easily add (Access-Control-Allow-Origin: *) rule to the response header.
The Ultimate online investigation tool! See detailed information about every IP Address, Domain Name and Provider.
Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps.
A free extension of the web tool https://coolsymbol.com/emojis/emoji-for-copy-and-paste.html. It helps input emoji in the web browser with an extensive search functionality.
Exports all cookies to a Netscape HTTP Cookie File, as used by curl, wget, and youtube-dl, among others.
Displays the HTTP header. Edit it and send it.
A HackBar for new firefox (Firefox Quantum). This addon is written in webextension and alternatives to the XUL version of original Hackbar. Press F12 to use HackBar
manage, edit, manipulate, plot and save one or multiple SQLite databases simultaneously
A REST client for almost any web service.
Discover what runs a website - This Firefox extension helps you identify technologies used on any website at the click of a button.
RusVPN - Free VPN Proxy service
Add, modify or remove a header for any request on desired domains.
HTML Validator is a Mozilla extension that adds HTML validation inside Firefox, Mozilla. The number of errors of a HTML page is seen on the form of an icon For Firefox 56, use 0.974 (see all versions below). For Firefox 57, see Web Extensions.