Find tools to improve your workflow - right within Firefox.
Embedded HAR/JSON viewer. Visualizes HTTP Archive (HAR) files opened locally or online. Also features JSON tree view.
Easily browse, edit and manage SQLite database inside your browser!
View info about IP, DNS records, SSL, country flag, domain whois, location, stats and more of any website.
Keep manual or automatic backups of all tabs*, and restore on demand. Can also export backup file to disk to restore later, or to another profile, even on another computer or OS, as long as it has Tabs Backup & Restore installed. *(See description)
Intercept HTTP and HTTPS Requests. Add custom rules to modify request/response headers, block/redirect requests, modify query params. Example Usage: This extension can be used to block all ads having url (*/ad.x.com/*) by creating rules
Google Cache lets you visit retrieve the web page from Google Web Cache when the site is offline.
List all images under your cursor, even ones hidden by other elements
Edit the every web page you want !! .... Making your own custom web page , using any other web page is just a click away !!! You can convert any web page into an editable document , which can then be edited and saved .
Bitly service to convert long URLs or Links of websites to short.
Use your text editor to write in your browser. Everything you type in the editor will be instantly updated in the browser (and vice versa).
Easily edit websites temporarily with a click of a button.
Disables or enables the browser cache.
Show the Bootstrap grid class currently active (XS, SM, MD, LG, XL, XXL). Tested and work with the versions: 3, 4, 5 Not compatible versions: 4 Alpha 2
Displays JPEG XL images.
View exIF allows you to view metadata contained in .jpg and .tiff images from your Firefox browser.
Right-click context menu to help with exploratory testing
Download SVGs from websites as SVGs, PNGs or JPEGs
Inspect State of the Angular components easily
A simple way to detect website icons.
Adds code intelligence to GitHub, GitLab, Bitbucket Server, and Phabricator: hovers, definitions, references. Supports 20+ languages.
Manage setting of connect of proxy in your browser so quickly and so easily as you want.
Discord rich presence extension with open API.
A universal dark theme. Night Mode is an extension that helps you quickly turn the screen (browser) to dark at night time. Toolbar button serves as an On & Off switch which enables you to easily and quickly turn the extension On or Off.