Rated 4 out of 5 stars

yazan: yammy88 tarih: Eyl. 13, 2014 ·

Doesn't work actually with FF32+32.0.1:
security change error, md5fingerprinting

Otherwise essential AddOn, simple but effective.
Thanks for this useful piece of software.

This review is for a previous version of the add-on (4.5.1.1-signed). 

yazan: dschaefer (Geliştirici) tarih: Eyl. 28, 2014 ·

Hello, thanks for the note. A release has just been submitted to fix Perspectives for Firefox 32. If you want to download it immediately you can use this link: https://addons.mozilla.org/firefox/downloads/file/277984/perspectives-4.5.2-fx+sm.xpi

Cheers!