TLDR: get a fast summary of any webpage
We're not advocating that you not read stories you find on the internet (also, high-five for getting this far!), but sometimes you just don't have the time to dive into the week's hottest long-form articles. TLDR brilliantly synthesizes the main points of any webpage, laying out the important stuff in a condensed view that you can digest quickly.
Lazarus: save time filling out online forms
Filling out stupidly long online forms with all your personal info sucks, but it sucks even harder when you forget to fill in one small field and you have to start over completely. That's where Lazarus comes in: it auto-saves every form field as you enter it, and will easily retrieve them if the page goes blank on you.
StayFocusd: resist distractions from Facebook and other time-wasters
There's no shame in the occasional Facebook or Reddit check-in, but when you need to buckle down and get shit done, it's good to remove any temptation. StayFocusd restricts access to any number of websites you consider time-wasters, and once you've used up the allotted amount of time on them, it'll restrict access for the rest of the day.
Evernote: stay organized
If you use Evernote to keep yourself hyper-organized, then you'd be a fool not to tack on the Evernote extension, which makes it easy to stash away relevant links and webpages with the click of your mouse.
Clipboard History 2: quickly retrieve links you've copy-pasted
Clipboard History is a must-have for anyone who's copying and pasting on the regular, since it keeps an archive of everything you've ever tossed onto the clipboard so you can quickly retrieve it hours or even days later.
The Great Suspender: put inactive tabs to sleep for a faster computer
If you're a tab-happy Chrome user like me, your insistence of keeping 15+ webpages running at once is most definitely slowing your system down. The Great Suspender gives you the best of both worlds, suspending tabs that've been inactive for an extended amount of time to free up how much memory Chrome is using, preventing that spinning wheel of death from making an appearance.
LastPass: secure all your passwords in one place
Unless you've been blessed with next-level memorization abilities, there's no way you're remembering all of the random passwords you've assigned to your ever-expanding network of online accounts. Enter LastPass, which functions as a super-secure vault for all of 'em, so all you really need to remember is the password you've created for LastPass.