QuillBot Review
AI writing and paraphrasing tool used by 35 million people
What is QuillBot?
QuillBot is one of the most popular AI writing tools in the world, with 35 million+ users. Its core paraphrasing tool rewrites text in 9 different modes — from simple rewording to formal or creative rewriting. Beyond paraphrasing, QuillBot offers a full writing suite: grammar checker, plagiarism detector, summarizer, citation generator, and co-writer powered by AI. Particularly popular with students, academics, ESL writers, and content editors who need to rework existing text quickly and accurately.
Our Rating
3,287 reviews
Pros & Cons
Pros
- Free plan is very usable for casual users
- 9 paraphrase modes cover every writing style
- Premium plan is affordable at under $10/month
- Excellent grammar checker included
- Works as a browser extension and in Google Docs
- 35M+ users — widely trusted and battle-tested
Cons
- Free plan limited to 125 words per paraphrase
- Not ideal for generating original long-form content
- Plagiarism checker is limited on free plan
Key Features
Paraphraser
Rewrite any text in 9 modes: Standard, Fluency, Formal, Simple, Creative, Expand, Shorten, Academic, and Custom.
Grammar Checker
Catch grammar, spelling, punctuation, and style issues with AI-powered suggestions.
Plagiarism Checker
Check your writing against billions of web pages to ensure originality.
Summarizer
Condense long articles, papers, or documents into key points instantly.
Citation Generator
Auto-generate citations in APA, MLA, Chicago, and other formats from URLs or DOIs.
QuillBot Pricing
Free
- 125 words paraphrase limit
- 2 paraphrase modes
- Basic summarizer
- Grammar checker (limited)
Premium
- Unlimited paraphrasing
- 9 paraphrase modes
- Advanced grammar checker
- Plagiarism checker (20 pages/month)
- Faster processing
- Tone detection
Who is QuillBot Best For?
Alternatives to QuillBot
Not sure QuillBot is right for you? Here are some worthy alternatives: