QuillBot – AI Paraphrasing, Grammar & Plagiarism Tool for Writers
QuillBot is one of the most popular AI writing tools, trusted by millions of students, writers, and self-publishing authors. With its paraphraser, grammar checker, plagiarism detector, and citation generator, QuillBot helps you polish your manuscript, improve clarity, and save hours of editing. Whether you’re writing fiction, non-fiction, or academic papers, QuillBot’s free and premium plans make it an essential companion for cleaner, more professional writing.
Best Grammar Checker Tools for Writers & Authors
Polish your drafts with modern writer grammar checkers. These tools combine grammar & spelling, style suggestions, paraphrasing, and plagiarism checks so you can fix errors fast and improve clarity.
Explore the top proofreading and rewriting tools below to elevate your manuscript quality and speed up your self‑publishing workflow.
Writer Grammar Checker FAQ
Which grammar checker is best for authors?
QuillBot is great for rewriting and grammar. Grammarly is best for style, and ProWritingAid offers in-depth editing reports.
Are grammar checkers accurate?
Yes. Tools like QuillBot and Grammarly use AI to catch grammar and style issues with high accuracy, though human review is still important.
Are there free grammar checker tools?
Yes. QuillBot and LanguageTool have free plans. Premium options unlock plagiarism detection and advanced rewriting features.
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