Well…
My favorite add-on obviously is my little own one:
It’s available on AMO obviously:
It replaces an older “Offline QR Code Generator” for Firefox < 57, but adds many features and is unique. 
1 Like
Well…
My favorite add-on obviously is my little own one:
It’s available on AMO obviously:
It replaces an older “Offline QR Code Generator” for Firefox < 57, but adds many features and is unique.