PDFAITools
Quillbot
AI paraphrasing and summarization tool. Rewrite any text in multiple modes — fluency, formal, creative, and more.
What is Quillbot?
What is QuillBot?
QuillBot is one of the most popular AI paraphrasing and writing enhancement tools online, used by over 35 million students and professionals worldwide. Its core functionality — rewriting text in multiple modes including Fluency, Formal, Creative, and more — makes it indispensable for anyone looking to polish, vary, or improve existing writing.
Writing Toolkit Beyond Paraphrasing
QuillBot has expanded well beyond its paraphrasing origins into a full writing toolkit. It now includes an AI summarizer, grammar checker, citation generator, plagiarism checker, and a writing interface — making it a comprehensive platform for students, academics, and content creators who need versatile writing assistance.
- 7 paraphrasing modes: Standard, Fluency, Formal, Academic, Simple, Creative, Expand, Shorten
- Summarizer for condensing long texts quickly
- Grammar checker for error-free writing
- Citation generator for academic references
- Plagiarism checker to verify originality
Ideal Users
QuillBot is especially popular among students looking to improve their academic writing, ESL learners refining their English, and content writers who need to create unique variations of existing text. Its AI summarizer also makes it valuable for researchers and professionals managing large volumes of reading material.
Key Features
Rewrite in Standard, Fluency, Formal, Academic, Simple, Creative, or Custom modes.
Condense long articles, papers, and documents into key points instantly.
Catch and correct grammar, spelling, and punctuation errors in your writing.
Automatically format citations in APA, MLA, Chicago, and other styles.
Verify content originality with a built-in plagiarism detection tool.
Who Uses Quillbot?
Rephrase and polish essays, research papers, and assignments for clarity.
Improve English writing fluency and correctness for non-native speakers.
Create unique variations of articles and web content for different audiences.
Quickly digest long research papers and reports into essential summaries.
Pros & Cons
✅ Pros
- Best-in-class paraphrasing with multiple style modes
- Comprehensive writing toolkit in one platform
- Free tier offers substantial functionality
- Widely trusted among students and educators
- Simple, intuitive interface that's easy to learn
❌ Cons
- Premium features locked behind subscription
- Can sometimes over-simplify nuanced academic writing
- Word limits on free plan can be restrictive
- Plagiarism checker credits separate from main plan
Quillbot Pricing
Free
- 125 words per paraphrase
- Standard paraphrase mode
- Basic summarizer
- Grammar checker
Premium
- Unlimited paraphrasing
- All 7 modes
- Advanced summarizer
- Faster processing
- Plagiarism checker credits
Quillbot earns a 4.3/5 rating from our editorial team. Its generous free tier lets you explore core features before upgrading, making it a low-risk choice for individuals and teams. Standout strengths include best-in-class paraphrasing with multiple style modes and comprehensive writing toolkit in one platform.
Get Started with Quillbot →