Subject guides: Academic Language and Study Skills: Free Online Grammar and Punctuation Checkers

Free Online Grammar & Punctuation Checkers

PaperRater
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Grammar and Spelling Check
Free Online Proofreading
No Downloads

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PaperRater.com analyzes documents immediately, 24/7, in real-time. We provide in depth analysis to help the student improve grammar and writing. Some of our features include:
•Plagiarism Detection
•Auto Grader
•Spelling and Grammar Check
•Style and Word Choice Analysis
•Readability Statistics
•Title Validation
•Vocabulary Builder tool
Grammarly
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Grammarly Editor is an automated proofreader that corrects contextual spelling mistakes, checks for more than 250 common grammatical errors, enhances vocabulary usage, and suggests citations
Virtual Writing Tutor
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Virtual Writing Tutor is a free online grammar checker for ESL writing that finds common ESL punctuation and spelling mistakes. Check grammar for free.

To run a spelling and grammar check:

In a word document go to the Review tab.
Click on the Spelling & Grammar command.
The Spelling and Grammar dialog box will open.
The program will highlight the errors in the document and suggest corrections or changes.

Language Tool
LanguageTool is an Open Source proofreading program for English, French, German, Polish, and more than 20 other languages.

It finds many errors that a simple spell checker cannot detect and several grammar problems.
Reverso
Reverso is a portal of linguistic tools including: translation, dictionary, spell-checker, conjugation, grammar, pronunciation feature (just click on a word or a selection of words or on the voice icon).