
QuillBot
QuillBot is an AI-powered writing assistant that helps users paraphrase, summarize, check grammar, generate citations, detect plagiarism, and improve writing with advanced AI technology.

Useful details for evaluating QuillBot
Primary Category
Writing
Pricing Model
Freemium
Related Topics
AI-Detection
Last Updated
Jul 25, 2026
What is QuillBot AI?
Quillbot is an AI-powered writing assistant that helps users improve, rewrite, and polish their text. It offers tools for paraphrasing, grammar checking, summarizing, citation generation, plagiarism detection, AI content recognition, and translation. Quillbot, designed for students, writers, researchers, marketers, and professionals, uses powerful natural language processing (NLP) to improve clarity, fluency, and readability while maintaining the text's original meaning. It seamlessly integrates with platforms such as Microsoft Word, Google Docs, and web browsers to render the writing process easier.
QuillBot is an AI-powered writing assistant founded in 2017 that helps users paraphrase, summarize, translate, and improve their writing. The platform serves 50+ million users worldwide, supports 100+ languages through its translation tool, offers 9 paraphrasing modes, and integrates with Google Docs, Microsoft Word, Chrome, and macOS. Trusted by students, educators, researchers, and professionals, QuillBot has become one of the world's most widely used AI writing tools.
- Founder
- Founder: Rohan Gupta, Anil Jason, and David Silin
- Headquarters: Chicago, Illinois, United States
- Launch Date
- Founded: 2017
- Public Launch: 2017
- Acquired By: Learneo (formerly Course Hero) in 2021
- Use Cases
- Paraphrase and rewrite content while preserving meaning
- Improve grammar, spelling, and writing style
- Summarize long articles, research papers, and documents
- Generate accurate citations in APA, MLA, and Chicago formats
- Detect plagiarism and verify originality
- Translate text across multiple languages
- Enhance academic, business, and marketing writing
- Improve emails, blogs, essays, reports, and social media content
- Technology
- AI-powered Natural Language Processing (NLP)
- Large Language Models (LLMs) for paraphrasing and text generation
- Machine learning-based grammar and style correction
- Context-aware semantic rewriting engine
- AI summarization and citation generation technology
- Multilingual translation powered by advanced AI models
- Cloud-based writing assistance with browser and document integrations
Key Features
Quillbot's key features are
- AI Paraphraser: Rewrite sentences and paragraphs while preserving the original meaning, with multiple writing modes for different styles and tones.
- Grammar Checker: Detect and fix grammar, spelling, punctuation, and sentence structure errors to produce polished, professional writing.
- AI Summarizer: Condense lengthy articles, research papers, reports, or documents into concise summaries without losing key information.
- Plagiarism Checker: Scan content for potential plagiarism and compare it against online sources to help ensure originality.
- Citation Generator: Create accurate citations in APA, MLA, Chicago, and other popular academic formats with just a few clicks.
- AI Detector: Analyze text to identify whether content is likely AI-generated, helping educators, businesses, and publishers review authenticity.
- Translator: Translate text across more than 100 languages while maintaining context and readability.
- Writing Modes: Choose from multiple paraphrasing modes such as Standard, Fluency, Formal, Academic, Creative, and Simple to match your writing goals.
- Browser & Document Integrations: Work seamlessly with Google Docs, Microsoft Word, Chrome, macOS, and other platforms without interrupting your workflow.
- Vocabulary Enhancement: Improve word choice, sentence variety, and overall readability to make your writing clearer, more engaging, and professional.
QuillBot AI Pricing
QuillBot offers both free and paid pricing plans:
Free Plan:
- Offers 125 words in paraphraser
- Summarize up to 250 words per day.
- Basic grammar check
Paid Plan:
- Starts at $4.17 per month
- Unlimited paraphrasing with all available modes.
- Summarize up to 6,000 words per day.
- Unlimited "Freeze Words" to keep specific terms unchanged.
- Offer Create unique summaries using custom instructions.
Disclaimer: For the latest and most accurate pricing information, please visit the official QuillBot website.
Who is Using QuillBot?
- Students: For writing essays, assignments, and other academic research.
- Researchers: To summarize and paraphrase articles, papers, and other research materials.
- Writers and Authors: For editing, improving sentence structure, and enhancing the overall quality of writing.
- Content Creators: For improving sentence structure and overall writing quality.
QuillBot Video/Demo
QuillBot Alternatives
Some of the alternatives are:
- Grammarly
- Word AI
- Writesonic
- Rewriter
- Paraphrasing
Quillbot Vs Competitors
The main difference between QuillBot and its competitors is its strong focus on rewriting and improving existing content rather than generating long-form AI content from scratch. While Grammarly excels at grammar correction, Wordtune specializes in sentence rewriting, and Jasper AI and Writesonic are primarily content generation tools, Quillbot integrates AI paraphrasing, grammar checking, summarization, plagiarism detection, citation generation, translation, and AI detection into a single platform. This makes it an ideal alternative for students, researchers, authors, educators, and professionals that wish to improve the quality, clarity, and originality of their writing.
| Feature | QuillBot | Grammarly | Wordtune | Jasper AI | Writesonic |
|---|---|---|---|---|---|
| AI Paraphrasing | Yes | Limited | Yes | Yes | Yes |
| Grammar Checker | Yes | Yes | Limited | Limited | Limited |
| AI Summarizer | Yes | Yes | Yes | No | Yes |
| Plagiarism Checker | Yes | Yes | No | No | No |
| AI Detector | Yes | No | No | No | Yes |
| Citation Generator | Yes | No | No | No | No |
| Translation | Yes | Yes | No | No | Yes |
| Multiple Writing Modes | Yes | Limited | Limited | Yes | Yes |
| Browser & Document Integrations | Yes | Yes | Yes | Yes | Yes |
| Best For | Academic Writing | Grammar & Editing | Sentence Rewriting | AI Content Creation | Marketing Content |
How Did We Rate QuillBot?
| Category | Rating |
|---|---|
| Ease of Use | 5/5 |
| AI Paraphrasing Quality | 4.9/5 |
| Grammar & Writing Assistance | 4.8/5 |
| Summarization & Translation | 4.8/5 |
| AI Detection & Plagiarism | 4.7/5 |
| Integrations & Compatibility | 4.9/5 |
| Pricing & Value for Money | 4.9/5 |
| Performance & Reliability | 4.9/5 |
| Overall Rating | 4.9/5 |
Conclusion
Quillbot is one of the more efficient AI writing tools for anyone who wants to improve the quality, clarity, and originality of their writing. It is beneficial for students, educators, researchers, content creators, and business professionals due to its excellent capabilities, including AI paraphrasing, grammar checking, summarization, plagiarism detection, citation generation, translation, and AI detection. Quillbot is a top pick among AI-powered writing tools due to its user-friendly design, low cost, and smooth connections.
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FAQ
What is QuillBot?
QuillBot is an AI-powered writing assistant that helps users paraphrase, summarize, check grammar, generate citations, detect plagiarism, translate text, and improve writing quality.
Is QuillBot free to use?
Yes, QuillBot offers a free plan with basic features. Users can upgrade to QuillBot Premium for advanced writing modes, higher word limits, plagiarism checking, and additional AI tools.
What is QuillBot mainly used for?
QuillBot is primarily used for paraphrasing, grammar correction, summarization, citation generation, plagiarism detection, and improving the clarity and readability of written content.
Does QuillBot integrate with Google Docs and Microsoft Word?
Yes, QuillBot integrates with Google Docs, Microsoft Word, Chrome, and other platforms, allowing users to improve their writing without leaving their preferred workspace.
What are the best QuillBot alternatives?
Some of the best QuillBot alternatives include Grammarly, Wordtune, Jasper AI, Writesonic, ProWritingAid, Copy.ai, Rytr, Notion AI, Anyword, and LanguageTool.
User Reviews
No reviews yet for QuillBot.
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Alternatives to QuillBot
Best QuillBot alternatives include Grammarly, Wordtune, Jasper AI, Writesonic, ProWritingAid, Copy.ai, Rytr, Anyword, Notion AI, and LanguageTool. These AI writing assistants offer features such as paraphrasing, grammar checking, content generation, proofreading, and writing optimization. While each platform has its own strengths, QuillBot stands out for its high-quality paraphrasing, academic writing tools, citation generation, multilingual support, and excellent value for students, writers, researchers, and professionals.
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