כדי להשתמש בהרחבות של Android, יש צורך ב־Firefox עבור Android. כדי לעיין בתוספות עבור Firefox למחשבים שולחניים, נא לבקר באתר בגרסה של המחשבים השולחניים.
Convert and display numbers in multiple useful formats
Expand all clipped and thumbnail images to their full native size
Clear all sticky headers and fixed banners from any webpage
Instantly grab the color scheme of any website
Indent and format JSON HTML CSS or JS with one click
Schedule site blocking — keep focus during your chosen work hours
Quickly generate short links for any page or custom URL
Convert any uploaded image file to a base64 data URI for use in CSS or HTML
Convert text to ASCII art with multiple font styles
Store text clips and insert them anywhere with one click
Browse and restore recently closed tabs with title search
Flesch readability score and Gunning Fog index for the current page text
Analyze passwords with entropy crack time and tips
Quick typing benchmark with score and accuracy display
Create short links from long URLs with one click copy
Apply a custom cursor overlay to any webpage you visit
Test how your page looks with various color vision types
View word count, links, images and read time for any page
Display browser version platform memory and screen info
Override page fonts with a custom Google Font for better reading
Close any tab automatically after a set amount of time
Change the mouse pointer appearance on any website
Test password strength with detailed security breakdown
Quick expense entry with category totals and history
Inspect localStorage and sessionStorage of the current tab
