QuillBot
"QuillBot is the ultimate tool for refining your thoughts. It doesn't replace you; it makes you sound better. The paraphraser is the best on the market, and the new 'Co-Writer' makes it a viable alternative to Microsoft Word for students and researchers. It's the one AI tool that virtually every writer uses at some point."
- World's best AI paraphrasing engine with multiple modes
- Superior grammar and style checking integrated into browser
- Effective AI summarization for long articles and papers
- Includes a powerful built-in Citation Generator
- Clean, low-friction interface across all platforms
- Very affordable premium plan compared to Grammarly
- Free version has significant character limits per use
- The 'Academic' features are mostly behind the paywall
- Doesn't offer full generative AI like Jasper (focused on edit)
- Requires manual review to ensure the original meaning is kept
- The Chrome extension can sometimes be intrusive in other apps
Key Features
Paraphraser
Six distinct modes to rewrite your text.
Grammar Checker
Instantly fix any writing errors.
Co-Writer
All-in-one AI document editor.
Summarizer
Condense complex info into bullet points.
Citation Generator
MLA, APA, and Chicago support.
Plagiarism Checker
Verify the originality of your work.
Pricing Plans
$0
- ✓ 125 Paraphrasing limit
- ✓ Basic grammar
$9.95/mo
- ✓ Unlimited paraphrasing
- ✓ Plagiarism checker
About QuillBot
By 2026, QuillBot has launched 'Academic Mode 2.0,' which can rewrite complex research into accessible language while maintaining perfect citation integrity. Their 'Co-Writer' feature is now a full document environment where the AI suggests the next paragraph based on your intent. They've also added a 'Plagiarism & AI Detector' that is industry-leading for student and writer's trust.