Great browser productivity enhancer, hugely powerful plug-in and FREE

Hyperwords browser plugin has a hugely powerful range of context-sensitive text tools. It can translate words and figures directly on the web page. It’s highly customisable. Hyperwords makes surfing the web better experience by performing common tasks with great ease than ever before. (No Safari version and it doesn’t automatically recognise currencies. Get it now.
Hyperwords – Browser productivity plug-in for  Google Chrome and Firefox