Anyone who needs to show the source of their information, be it for an essay or a presentation, will find this button exceedingly useful. It quickly cites the webpage you are looking at in one of four citation styles, which can then be saved for later or pasted into a document. Click here to find out more and install the extension.

LastPass

LastPass means you only have to remember one password to keep all your other login details together in one place. It will also help keep your other accounts secure by generating super secure passwords that it will fill in automatically as needed. There’s space for notes for offline information that you want to be well protected too. Install it here.

Colorzilla

When you simply have to know the precise hue of something online, Colorzilla’s eyedropper can check any pixel and tell you. You can then paste that colour’s data into another programme or adjust the values and save it within the extension for future reference. It’s an invaluable extension for digital design work. Get the extension here.

TinEye

When finding the source of a picture’s proving difficult, try TinEye’s reverse image search. It focuses on the closest possible matches instead of just similarity, making it useful for finding originals, higher resolution versions, or checking for online fakes. The extension itself makes searches available in only a couple of clicks. Install TinEye’s Chrome extension from here.

Unpaywall

For those who want to read academic papers without stumping up for subscription fees. As you look for research, this extension searches for free (and completely legal) versions of the same articles, and pops into view if it finds a match. A potential saver of both time and money. Get it here.

Save to Pocket/Instapaper

Either of these extensions will let you to save web pages and articles for reading on your synced devices later, even without an internet connection. Both have premium versions too, if you want to support the developers and get extra features in return. Get the Pocket and Instapaper extensions here.