QuillBot
FreeAI-powered paraphrasing tool.
FreeFree tier
Inputs: text, imageOutputs: text, image
About QuillBot
QuillBot is a comprehensive AI-powered writing and creation platform that offers a suite of tools for paraphrasing, grammar checking, AI detection, plagiarism checking, text humanizing, AI chat, image generation, translation, summarization, citation generation, cover letter writing, social media post writing, presentation creation, and image editing. It integrates as a Chrome extension with 6M+ users and is trusted by industry leaders. Originally launched in 2017 as a paraphrasing tool for ELL students, QuillBot has expanded into a full workspace for writing, designing, and brainstorming, serving over 35 million monthly active users globally.
Key Features
Paraphraser for rewriting text
Grammar Checker for fixing spelling and grammar errors
AI Detector for identifying AI-written content
Plagiarism Checker for checking text originality
AI Humanizer to make AI text sound natural
AI Chat for brainstorming and writing
AI Image Generator for creating images from prompts
Text Summarizer for condensing content
Translator for text translation across languages
Citation Generator for formatting citations
Pros & Cons
Pros
- Comprehensive all-in-one suite covering writing, originality, creation, and image tools
- Free tier available with core features
- Highly rated Chrome extension with millions of users
- User-friendly interface with drop-and-upload functionality
- Trusted by major brands and educational institutions
- Supports collaboration across Docs and presentations
- Regularly updated with new tools (e.g., image generator, AI editor)
Cons
- Some advanced features require Premium subscription
- AI detection tools may have accuracy limitations
- Plagiarism checker and other premium features not fully free
- Heavy reliance on internet connection for web-based tools
- Can be overwhelming due to large number of tools
Best For
Academic writing and paraphrasing research papersImproving writing clarity and fluency for students and professionalsDetecting AI-generated content in submissionsChecking plagiarism in essays, articles, or reportsHumanizing AI-generated text to avoid detectionBrainstorming ideas and creating content with AI chatGenerating visual content for presentations or social mediaTranslating text for multilingual communication
FAQ
What is QuillBot?
QuillBot is an AI-powered writing and creation platform that offers tools for paraphrasing, grammar checking, AI detection, plagiarism checking, text humanization, AI chat, image generation, translation, summarization, citation generation, and more. It helps users write, design, and brainstorm efficiently.
Is QuillBot free?
QuillBot offers a free tier with access to many core tools such as the Paraphraser, Grammar Checker, and Summarizer. A Premium subscription unlocks additional features like unlimited paraphrasing, plagiarism checking, and advanced tools.
Does QuillBot have a Chrome extension?
Yes, QuillBot offers a Chrome extension that allows users to access its writing tools directly in their browser. It has a 4.7 rating and over 6 million users.
Who founded QuillBot?
QuillBot was founded in 2017 by Anil Jason, Rohan Gupta, and David Silin in a college dorm at UIUC. It initially started as a paraphrasing tool for English language learners.
What tools does QuillBot include?
QuillBot includes the Paraphraser, Grammar Checker, AI Detector, AI Humanizer, Plagiarism Checker, AI Chat, AI Image Generator, Summarizer, Translator, Citation Generator, Cover Letter Generator, Social Media Post Writer, Presentation Creator, Background Remover, and AI Image Editor.