# QuillBot

> AI-powered writing assistant that helps paraphrase, check grammar, detect AI content, check plagiarism, and improve writing clarity.

QuillBot is an AI-powered writing assistant that helps users write effortlessly and efficiently with a comprehensive suite of tools. The platform serves over 35 million writers worldwide across 180+ countries, offering paraphrasing, grammar checking, AI detection, plagiarism checking, summarization, translation, and more. Founded in 2017 at UIUC, QuillBot has grown from a simple paraphrasing tool to a full creative suite that helps professionals, students, content creators, and English language learners communicate with clarity and confidence.

- **Paraphraser** rewrites text instantly with multiple modes including Standard, Fluency, Academic, Creative, and custom modes, supporting 23 languages and unlimited paraphrasing for Premium users.
- **Grammar Checker** fixes grammar and spelling errors while providing advanced writing suggestions, tone insights, and corrections in 6 languages.
- **AI Detector** identifies AI-generated content to help ensure writing authenticity and originality.
- **Plagiarism Checker** scans text for plagiarism in 100+ languages with up to 25,000 words per month, helping prevent unintentional plagiarism.
- **AI Humanizer** transforms AI-generated text to sound more natural and human-like with Basic and Advanced modes.
- **Summarizer** condenses text quickly, allowing users to create custom summaries of up to 6,000 words with Premium.
- **Translator** provides instant translation into 40+ languages for seamless multilingual communication.
- **Citation Generator** creates and formats citations in APA, MLA, Chicago, and other styles for academic writing.
- **AI Chat** enables brainstorming, writing assistance, and getting answers through conversational AI.
- **AI Image Generator** creates images from text prompts for visual content needs.
- **PDF Tools** include ChatPDF, PDF editing, merging, splitting, and conversion capabilities.

To get started, users can sign up for a free account on quillbot.com and access basic features immediately. The platform is available through web browsers, Chrome and Edge extensions, Safari extension, Microsoft Word add-in, and native apps for Windows, macOS, iOS, and Android. Premium users unlock unlimited paraphrasing, advanced grammar recommendations, full AI detection access, plagiarism checking, and additional modes for enhanced writing capabilities.

## Features
- Paraphrasing with multiple modes
- Grammar and spelling checker
- AI content detection
- Plagiarism checker
- AI Humanizer
- Text summarization
- Translation to 40+ languages
- Citation generator
- AI Chat assistant
- AI Image Generator
- PDF tools and editing
- Tone insights and analytics
- Custom paraphrasing modes
- Browser extensions
- Mobile apps and keyboard

## Integrations
Google Chrome, Microsoft Edge, Safari, Microsoft Word, iOS, Android, Windows, macOS

## Platforms
WINDOWS, MACOS, ANDROID, IOS, WEB, API, BROWSER_EXTENSION

## Pricing
Freemium — Free tier available with paid upgrades

## Version
v40.75.2

## Links
- Website: https://quillbot.com
- Documentation: https://quillbot.com/support
- EveryDev.ai: https://www.everydev.ai/tools/quillbot