It’s More ThanJust Another Spelling & Grammar Checker
Combine with the award-winning AI Detector and Plagiarism Checker for a genuinely full-spectrum suite dedicated to creating original, error-free content the first time, every time.
Think of It As Your
Personal Proofreader
Keep your writing concise and fresh with sentence structure tips that help prevent run-ons, fragments, and more. Plus, word choice suggestions align your vocabulary with the intended audience and identify potentially misused words and homophones.
Write With Absolute Confidence
Get notifications identifying potential writing mechanic errors, including spelling mistakes, comma errors, and more. Also, be alerted to conjunction errors, subject-verb disagreements, misused prepositions, and everything in between.
Be Original and Fully Transparent
Combine with the award-winning AI and Plagiarism Detector, for a genuinely full-spectrum suite dedicated to empowering the creation of original, error-free writing and offering complete content transparency.
Empower Your Writing Without AI Detection Concerns
Where some grammar checker tools can be flagged as generative AI, the Copyleaks Grammar Checker does not. To learn more, check out our analysis.
Get Full Insight With the Grammar Score
The Grammar Score is an overall assessment of a submitted text, configured based on three components.
Corrections: This encompasses suggestions for grammar, mechanics, sentence structure, and word choice.
Insights: A breakdown of average word and sentence length, number of sentences, reading time, and more.
Readability: Determines how easy content is to read and provides historical data, allowing easy comparison against prior submissions.
Say More With
Multi-Language Support
While most writing tools only support English, the Copyleaks Grammar Checker offers multi-language support, including German, Spanish, French, Italian, and Portuguese.
A Fully Flexible API Built By Developers for Developers
The Grammar Checker API was built with the developer in mind. It’s fully customizable and supports key programming languages, including C#, Node.JS, PHP, Java, Ruby, Python, and more.