Android 拡張機能を使用するには、Android 版 Firefox が必要です。デスクトップ版 Firefox のアドオンを探すには、デスクトップサイト にアクセスしてください。
Count words chars sentences and reading time for any text
Convert any time between two time zones instantly
Override any site's CSS with your own rules — saved per domain
Sniff the tech stack — detect React, Vue, WordPress, jQuery and 30+ more
Quickly insert emojis into text fields from popup.
Generate formatted Markdown tables by adding rows visually
See how often you visit each site — domain frequency tracker
Fill any web form instantly from saved profiles with one click
Classic 25-5 pomodoro timer with session tracking
Flip colors between HEX and RGB/HSL formats with picker
Shows cookie count badge for the current site and detailed cookie list
Quick reference for productivity keyboard shortcuts
Randomize or spoof your browser User-Agent with one click
Set tab alarms — close or alert when a tab timer expires
Schedule site blocking — keep focus during your chosen work hours
Quick access to recently closed tabs — up to 50 entries
Find and close duplicate browser tabs — same URL open in multiple tabs
Detect music BPM by tapping on screen or spacebar key
Browse and restore recently closed tabs with title search
Apply a custom cursor overlay to any webpage you visit
Enhanced page search with color highlights and search history
Quick spell-check tool for clipboard and typed text
Track live mouse XY coordinates and element info on page
Open a random Wikipedia article in your language
Display one word at a time at any words-per-minute speed
