Grammarly checks spelling, grammar, and punctuation, enhances vocabulary usage, and suggests citations.
You can copy paste any English text into Grammarly’s online text editor, or install Grammarly’s free browser extension for Chrome, Safari, and Firefox.
I installed the extension on Chrome, it’s faster and doesn’t require to subscribe to their website.
It’s useful the fact that the software explains the reasoning behind each correction so you can choose to correct or not easily.
You can consult also Grammarly® Answers and Grammarly® Handbook.
Grammarly® Answers is an online community for writers to ask and answer questions on English writing. Grammarly® Handbook, an online guide explaining English grammar and style. There is also the possibility to subscribe to get weekly grammar tips.
If you need a professional version you can get a premium subscription plan:
Monthly
$29.95 /month
Quarterly
$59.95 /quarter
$19.98 per month
Annual
$139.95 /year
$11.66 per month
Grammarly has offices in San Francisco, New York, and Kyiv.