Grammarly

Makes sure everything you type is easy to read, effective, and mistake-free.

Description

Grammarly is a proofreader that will flag grammar mistakes nearly anywhere you write on the web, such as in emails and on social media websites. For each mistake it finds, it provides an explanation of the relevant grammar rule, helping you learn from your mistakes. Grammarly can also be installed for Windows and Microsoft Office proofreading. 

 

Premium features also include a synonym finder and plagiarism checker. Individual, business and education plans are available.

Price
FREE

Free Chrome, Safari and Firefox plugin.

 

Premium account starts at $29.95/month. Includes 100+ advances grammar and spelling checks and vocabulary enhancement suggestions.