Calibre is an eBook management software which can be used to convert pdf and a lot of eBook formats into formats like FB2 . It is a freeware and can be downloaded at calibre-ebook.com.
How to disable all the flash in SeaMonkey using AdBlock plus ( flashblock not working when JavaScript is disabled)
Flash block is a very good add-on for blocking flash in SeaMonkey, but when you disable JavaScript in the browser, the flashblock add-on does not work. So here is an alternative. In SeaMonkey after installing AdBlock plus, do the following to remove flash completely. Open AdBlock plus (Go to tools > AdBlock plus). Now click the filters menu and select ADD FILTERS. Now in the filter rule type *.swf and click the apply button. Here after you will not be able to view flash in your browser. Blocking flash helps save a lot of bandwidth. If you want to see flash in a particular page then you will have to disable AdBlock plus by going to AdBlock plus > options >and uncheck the Enable AdBlock plus menu.