A plugin is a tool that makes your blogging life easier. It helps to open up blogging to anyone. You don't need to know how to code. Chances are if there is something you want your site to be able to do, someone has created a plugin that will provide you with the ability to do what you want.
I won't keep you waiting in suspense. My secret weapon is Grammarly.
As I work to grow my freelance writing business, writing well is essential. Everyone (hopefully) proofreads their work, but the best proofreading comes after taking a break from work.
However, if you're lucky you have lots of work and sometimes you don't always have that time to walk away from the work and then come back to proofread. Enter Grammarly.