QuillBot
Your complete writing solution
QuillBot is an AI-powered writing platform centered around its popular paraphrasing tool. It also offers grammar checking, plagiarism detection, AI content detection, AI humanizer, summarizer, and translation. With 35+ million users worldwide, it's especially popular among students and content creators for rephrasing and polishing text.
- Category: AI Editing & Enhancement
- HQ: Chicago, IL (acquired by Course Hero / Learneo)
- Founded: 2017
- CEO: Rohan Gupta (Co-founder); acquired by Course Hero/Learneo in 2023
- Pricing: freemium
- Starting at: Free
Tags: paraphrasing, grammar checker, plagiarism detection, AI detection, AI humanizer, summarizer, translation
Key Features
- Paraphraser with 9 modes (Standard, Fluency, Creative, Humanize, etc.)
- Grammar checker in 6 languages
- Plagiarism checker (25K words/mo on Premium)
- AI content detector
- AI Humanizer — make AI text sound natural
- Summarizer
- Translation (40+ languages)
- Citation generator
Best For
Students, ESL writers, and content creators who need to rephrase, clean up, or polish text quickly and cheaply.