If you use the internet to write or publish anything at all :: emails, blogs, social media posts :: and you're not using Grammarly, I encourage you to download their free Chrome extension and start using it right away. It's an amazing tool that vets your writing for errors as you type, and it's already helped me with my grammar and spelling in hundreds of emails, social media posts and blogs — including this one ;)
More info, in case you haven't downloaded it yet.
★ Contextual spelling checker Grammarly detects correctly spelled words used in the wrong context. You can stop worrying about misusing homophones like lose/loose, affect/effect, lie/lay, there/their/they’re, and many other commonly confused words.
★ Grammar checker Grammarly can fix hundreds of complex grammatical errors, including subject-verb agreement, article use, and modifier placement, to name just a few.
★ Trusted by millions of users Grammarly is trusted by students, writers, business professionals, bloggers, and plenty of people who just want to write better. Grammarly adapts to your needs and writing style, giving you the confidence of mistake-free communication every time you write.
★ Grammarly in the news Forbes: “Grammarly quickly and easily makes your writing better and makes you sound like a pro, or at least helps you avoid looking like a fool.” Harvard Business Review: “...good grammar is instrumental in conveying ideas with clarity, professionalism, and precision...Good grammar is simply good business.” ABC News: “Poor grammar is just as offensive as gross pick-up lines.”