The Grammarly Editor displays different types of correction cards to help you with your writing. These include a grammar checker, a contextual spell checker, punctuation checker, as well as checking for style and sentence structure issues. In addition to offering suggestions to help you fix the problem, Grammarly also provides a detailed explanation of why the mistake should be corrected.

Checks for subject-verb agreement, consistent tenses, verb forms, as well as other common grammar mistakes.

Checks for spelling errors, as well as words that are spelled correctly but were used in the wrong context. For example: to/two/too, here/hear, and or/oar.

Checks for missing and extra punctuation.

Checks for writing style problems, and attempts to help avoid redundancy, wordiness, and usage of colloquialisms in your writing.

Identifies problems with word order and placement in your sentences and offers suggestions on how to fix them.

Grammarly provides a plagiarism checker that cross checks your document with over 8 billion web pages to determine if part of your text has been previously published. If it has, Grammarly will highlight the passage and offer citation suggestions for the passage in MLA, APA, and Chicago styles.