The World’s Best Online Proofreader
Grammarly’s online proofreader automatically detects grammar, spelling, punctuation, word choice and style mistakes in your writing.
“Grammarly quickly and easily makes your writing better.”
Forbes
Proofread Any Text
Instantly find and correct over 400 types of grammatical mistakes.
Works Anywhere You Write Online
Detect plagiarism from 16 billion web pages and ProQuest's databases.
Proofreading For Plagiarism
Improve word choice with context-optimized vocabulary suggestions.
Proofread Your Writing Online With Grammarly
Proofread For 400+ Points of Grammar
Grammarly’s online proofreader adapts to whether you need to proofread an academic paper, a business cover letter, a casual email, or even a novel.
Proofread Your Word Usage
Proofread for word repetition and enhance your vocabulary with context-optimized synonyms. Our algorithms take into account the frequency and context of your word usage so we can suggest the best alternative word that will help you communicate more clearly.
Contextual Proofreading For Spelling
Even the most eagle-eyed proofreader sometimes misses a mistake, especially misspelled words or commonly confused word pairs such as lose/loose and affect/effect, Grammarly’s automated proofreader spots words that are spelled correctly but used in the wrong context.
Over 4 million people already use Grammarly to proofread their writing online.
Whether your writing is read by thousands of people online, or simply by close family and friends, checking your grammar is important. Business professionals, bloggers, students, and even professional writers use Grammarly to proofread their writing, so why shouldn't you?