PowerSchool Grade Calculator
Powerschool stopped showing my percent grade for each class, so this extension will display it
1 user
CheckThisOut
Quickly check the current page against W3C, Schema.org, and other web standards validators.
1 user
Salesforce Session
Easily copy your session ID from any Salesforce Org (Classic or Lightning) with a single click to generate a frontdoor.jsp login link.
1 user
Prism New Tab
Customize your new tab page with container-specific shortcuts making it easier and faster to manage multiple accounts across your favorite websites
1 user
Lazarus Project
Passively improve Firefox performance by suspending unused tabs and removing junk data.
1 user
Clean Link — Link Cleaner & Clear URL
Remove trackinRemove tracking parameters like utm_*, fbclid, gclid, and copy a clean link with one click.g parameters like utm_*, fbclid, gclid, and copy a clean link with one click.
1 user
Compare
View two pages side-by-side in the sidebar and main panel. Perfect for diffing docs, comparing products, or reviewing translations.
nogo: site blocker/redirector
Block and redirect websites by domain. Set up redirect rules to swap one site for another, with a 60-second cooldown before unblocking to help you stay intentional. All data stays local — nothing is collected or shared.
1 user
FoldTube - YouTube Tab Manager
Collapse and manage your open YouTube tabs in a single dashboard.
1 user
x exporter c
export tweets
Random User-Agent 5
Automatically change the user agent after specified period of time to a randomly selected one, thus hiding your real user agent5555
1 user
Price Scout
See what the item you're viewing costs everywhere else. Click the icon on any product page and Price Scout shows live prices for the same item from other retailers, cheapest first, with accessories and wrong variants filtered out.
