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Quickly open pages using Archive.org's Way Back Machine

Allows you to login to multiple AWS accounts at once, through the AWS SAML sign-in page. Each account/role is opened in it's own container tab, so you can work in as many AWS accounts as you need, without ever logging out.

The best extension to show information about AMO and related services.

Copy coordinates appear after clicking "What's here?" on G Maps

Find out your IP address with just one click using what is my IP tool for free. Thanks to the GoodCloudStorage for offering a safe service to check IP address for free.

Adds the meta viewport tag only to sites that don't have it.

Joker.Tools Toolbox for Firefox with 50+ Tools

Inject user-generated CSS and JavaScript into all webpages.

This extension displays the number of downloads GitHub releases have on the releases page.

An attempt to capture every WebExtensions event and log it to the Browser Console.

Useful for checking the cookie, headers that the site uses in response are whether safe or not according to OWASP documents

Bookmark Manager for Designers - No more juggling 10 tabs, find all your web design inspiration in one bookmarking manager place

Firefox extension for the GraphiQL tool

Currency Converter allows you to convert one currency into another in order to check its corresponding value. We'are accepting almost all currencies for conversion.