There are a lot of choices out there for programmed proofreading services.
These tools allow you to submit your text, perform a study, and then give you ideas to make your writing better.
They are easy, fast, and can be adequate within certain limitatiions.
WordPress JetPack Plug-In Free
The WordPress JetPack Plug-In, available for any WordPress blog, contains a spelling and grammar portion powered by the "After The Deadline" grammar/spelling engine. It uses false comprehension to check spelling, style and grammar in WordPress based on the settings you choose. It makes grammar checking rapid, and can be set to remind you if you have forgotten to do a quick proofread before finshing your work. You can also use the "After The Deadline" service straight from their website.