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QuillBot

QuillBot

AI Writing, Paraphrasing & Research Toolkit

8.5
⭐ Editor Score: 8.5/10Be the first to review
Last updated: June 2026Freemium

What is QuillBot?

QuillBot started as a simple paraphrasing tool in a college dorm back in 2017. Today, it's a full-blown AI writing ecosystem that does far more than just rephrase sentences. Think of it as a Swiss Army knife for writing: it checks your grammar, summarizes long articles, generates citations, detects plagiarism, translates text, and even creates AI images from scratch. The core experience revolves around the Paraphraser, which offers multiple modes—Standard, Fluency, Formal, Creative, Expand, and Shorten—giving you fine-grained control over how your text gets rewritten. It's a lifesaver for students who need to rephrase academic sources without losing meaning, and for content creators who want to refresh old blog posts for SEO. But QuillBot isn't a one-trick pony. The Grammar Checker catches spelling, punctuation, and style issues in real time. The AI Chat assistant helps you brainstorm ideas, research topics, and draft entire documents. The Summarizer condenses lengthy papers into digestible bullet points. And the Plagiarism Checker (Premium) scans your work against billions of web pages to ensure originality. The Chrome Extension is where QuillBot really shines, integrating seamlessly into Gmail, Google Docs, LinkedIn, and other web apps. You can paraphrase, check grammar, and even generate content without leaving your browser tab. With over 6 million users and a 4.7/5 rating, QuillBot has earned its reputation as a go-to writing assistant. The free tier is generous enough for basic needs, while Premium unlocks unlimited paraphrasing, advanced modes, plagiarism detection, and access to the full tool suite. Is it perfect? No. Some AI-generated content can feel robotic, and the plagiarism checker uses credits that drain quickly. But for the price—especially the annual plan—QuillBot delivers exceptional value. It's a must-have for students, academics, content marketers, and anyone who writes regularly.

How to Use QuillBot

Master QuillBot's Paraphraser in just a few steps. Whether you're rewriting academic sources, refreshing blog content, or polishing professional emails, this guide will help you get the best results from QuillBot's most popular tool.

1

Paste or Type Your Text

Copy the text you want to paraphrase into the input box on the QuillBot Paraphraser page. The free version supports up to 125 words, while Premium unlocks unlimited word count. You can also upload documents directly using the file upload feature.

2

Choose Your Rewriting Mode

Select from six modes: Standard for balanced rewrites, Fluency for natural flow, Formal for professional tone, Creative for stylistic variation, Expand for more detail, or Shorten for conciseness. Each mode adjusts the AI's rewriting approach to match your specific needs.

3

Review and Fine-Tune the Output

QuillBot displays the rewritten text with changed words highlighted in different colors. Click on any highlighted word to see alternative synonym suggestions. You can lock specific words to prevent them from being changed and manually adjust the output.

4

Export or Copy Your Final Text

Once you're satisfied with the paraphrased result, click the copy button to paste it elsewhere, or use the Export option to save as a document. You can also run the text through other QuillBot tools like the Grammar Checker or Summarizer for further refinement.

QuillBot Core Features

Advanced Paraphraser with Standard, Fluency, Formal, Creative, Expand, and Shorten modes
AI Grammar Checker for real-time spelling, punctuation, and style corrections
AI Chat assistant for conversational brainstorming, Q&A, and document drafting
Summarizer that condenses long texts into concise key points
Plagiarism Checker that scans billions of web pages for originality (Premium)
Citation Generator supporting APA, MLA, Chicago, and other academic formats
AI Image Generator that creates custom visuals from text prompts
Chrome Extension for seamless AI writing assistance across the web
Real-time Translator with multi-language support for global communication
Projects workspace to organize files, prompts, and outputs in one place

QuillBot Use Cases

  • 1Academic Writing & Research: Paraphrase sources, check grammar, generate citations, and scan for plagiarism. Students can use AI Chat to brainstorm essay topics and the Summarizer to digest lengthy papers efficiently.
  • 2Professional Document Creation: Craft polished cover letters, resumes, and business emails with tone analysis and grammar checking. The Cover Letter Generator and Social Media Post Writer templates speed up job applications and outreach efforts.
  • 3Content Marketing & Blogging: Produce SEO-friendly blog posts, social media captions, and marketing copy. The Paraphraser helps rephrase content for different platforms while the AI Humanizer ensures natural readability.
  • 4Multilingual Communication: Translate text between languages and adapt tone for global audiences. Useful for international business correspondence, travel content, and language learning across different markets.
  • 5Visual Content Design: Generate images from text prompts for articles, ads, and social posts using the AI Image Generator, with the Design Studio providing further editing and customization capabilities.

Pros and Cons of QuillBot

Pros

  • Comprehensive All-in-One Suite: QuillBot bundles paraphrasing, grammar checking, AI writing, plagiarism detection, citation generation, and image creation in one platform, replacing multiple separate tools and subscriptions.
  • Generous Free Tier: The free plan provides access to essential tools like the Paraphraser and Grammar Checker with reasonable usage limits, making it accessible for students and casual users without upfront payment.
  • Seamless Browser Integration: The Chrome Extension brings QuillBot's capabilities directly into Gmail, Google Docs, LinkedIn, and other web apps, enabling frictionless writing assistance without switching tabs.
  • High User Satisfaction: With a 4.7/5 rating and over 6 million users, QuillBot has established strong trust and reliability in the academic and professional writing community worldwide.

Cons

  • Premium Paywall for Advanced Features: Essential tools like the Plagiarism Checker, unlimited paraphrasing, and advanced modes require a paid subscription, which may be costly for students on tight budgets.
  • AI Content Can Feel Generic: While the AI writer and Paraphraser are powerful, generated text sometimes lacks the nuance and originality of human writing, requiring additional editing for high-stakes content.
  • Plagiarism Checks Are Credit-Based: Even with Premium, plagiarism scanning uses credits that can run out quickly, and the checker doesn't access all academic databases, limiting thoroughness for research papers.

QuillBot vs Top Alternatives

FeatureGrammarlyProWritingAidJasper AIChatGPT
Paraphrasing & RewritingMultiple rewriting modes (Standard, Fluency, Formal, Creative)Paraphrasing with style improvement suggestionsBasic rewriting capabilities as part of content creationCan paraphrase when prompted but no dedicated modes
Grammar & Spell CheckIndustry-leading grammar and spell check with tone detectionDetailed grammar reports with 20+ writing reportsGrammar check included but not a core featureNo dedicated grammar checker (can review text when asked)
AI Content GenerationAI writing assistance via GrammarlyGOLimited AI content generation capabilitiesPowerful AI content generation for long-form marketing copyExcellent AI content generation with GPT-4 models
Plagiarism DetectionPlagiarism detection available in PremiumPlagiarism checking available in PremiumNo built-in plagiarism checkerNo plagiarism detection built-in

QuillBot Pricing

Free tier available — no credit card required

Free

$0/month
  • Basic Paraphrasing (125 words limit)
  • Grammar Checker (limited)
  • Summarizer (limited)
  • AI Chat (limited messages)
  • Chrome Extension

Premium Monthly

$19.95/month
  • Unlimited Paraphrasing
  • Advanced Grammar Checker
  • Plagiarism Checker (20 pages/month)
  • Citation Generator
  • AI Image Generator
  • AI Detector
  • Unlimited Summarizer
  • Tone Analysis

Premium Annual

$99.95/year
  • All Premium Monthly features
  • Best value at $8.33/month
  • Plagiarism Checker (100 pages/year)
  • Full tool suite access

QuillBot FAQ

Is QuillBot free to use?+
Yes, QuillBot offers a generous free tier that includes basic paraphrasing, grammar checking, summarization, and AI Chat with usage limits. For unlimited access to all tools and advanced features like plagiarism detection, you'll need a Premium subscription.
How does QuillBot's Paraphraser work?+
QuillBot's Paraphraser uses AI to rewrite sentences while preserving the original meaning. You can choose from multiple modes—Standard, Fluency, Formal, Creative, Expand, and Shorten—to control the rewriting style. The tool highlights changed words and offers synonym suggestions for fine-tuning.
Does QuillBot have a plagiarism checker?+
Yes, QuillBot includes a Plagiarism Checker in its Premium tier. It scans your text against billions of web pages to detect unoriginal content. However, checks are credit-based (20 pages/month on Monthly, 100 pages/year on Annual) and may not cover all academic journal databases.
Is QuillBot safe and legal to use?+
Yes, QuillBot is safe and legal. It uses encryption to protect your data and does not store your writing permanently. For academic use, it's generally accepted as a writing aid, but you should always check your institution's policy on AI writing tools.
What's the difference between QuillBot Free and Premium?+
QuillBot Free includes basic paraphrasing, grammar checking, summarization, and AI Chat with usage caps. Premium ($19.95/month or $99.95/year) unlocks unlimited paraphrasing, plagiarism detection, citation generation, AI image generation, advanced grammar modes, tone analysis, and higher usage limits across all tools.
Does QuillBot work with Google Docs?+
Yes, QuillBot integrates with Google Docs through its Chrome Extension. Once installed, you can paraphrase, check grammar, summarize, and access other QuillBot features directly within Google Docs without switching tabs.
Can QuillBot detect AI-generated text?+
Yes, QuillBot includes an AI Detector tool that analyzes text to determine if it was written by AI. It also has an AI Image Detector for spotting AI-generated images. These tools are available in both Free (limited) and Premium tiers.

QuillBot Review — Editor's Score

Who Should Use QuillBot?

Anyone who writes regularly—students, academics, content marketers, copywriters, and business professionals—will find value in QuillBot. It's especially useful for non-native English speakers looking to polish their writing and for teams that want an all-in-one writing, research, and design workspace without juggling multiple subscriptions.

8.5
Overall Score
Functionality
9
Ease of Use
8.5
Value for Money
8
Support
7

QuillBot has evolved from a simple paraphrasing tool into a comprehensive AI writing ecosystem that rivals—and in some areas surpasses—industry giants like Grammarly. Its multi-tool approach means less app-switching and more focus on the task at hand. While the premium price tag and occasional generic AI output are drawbacks, the sheer breadth of features and the generous free tier make it an essential tool for students, content creators, and professionals who write regularly.

  • All-in-one writing, research, and design platform replaces multiple tools
  • Excellent paraphrasing with six customizable rewriting modes
  • Generous free tier with access to core writing tools
  • Seamless Chrome Extension for in-browser writing assistance
Review by BuzzWithAI Editorial Team • 2026-06-04T18:20:52.440Z

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📺 QuillBot Tutorials & Introduction

Quillbot Tutorial For Beginners | How To Use Quillbot - YouTube

How to use QuillBot AI in 2026 | Everything you need to know!

Than a Paraphrasing Tool? AI Writing Workspace Tested - YouTube

Keywords:

#quillbot#ai writing assistant#paraphrasing tool#grammar checker#plagiarism detector#citation generator#ai content generator#academic writing#chrome extension#writing software#summarizer#ai chat