QuillBot

What is QuillBot?#

QuillBot is a writing suite used by students, researchers, and content creators—combining paraphraser, grammar checker, AI humanizer, summarizer, plagiarism checker, and citation generator in one web app plus a Chrome extension with 5.5M+ users.

What can QuillBot do?#

• 01

  Paraphrasing Tool

  Rephrase sentences and paragraphs in multiple tones while preserving meaning.

• 02

  Grammar Checker

  Detects and corrects grammar, punctuation, and spelling errors in real time.

• 03

  AI Detector

  Identify AI-generated content to protect academic and professional credibility.

• 04

  Plagiarism Checker

  Scan text against billions of sources to ensure originality before submitting.

• 05

  Summarizer

  Condense long documents into concise summaries to speed up reading and research.

• 06

  Citation Generator

  Automatically format references in APA, MLA, Chicago, and other major styles.

• 07

  Cross-Platform Access

  Available on Chrome, Edge, Safari, Word, iOS, Android, macOS, and Windows.

Use Cases#

• “academics — A student runs their draft essay through QuillBot's paraphraser and plagiarism checker before submission to improve wording and verify originality.
• “content creators — A blogger uses QuillBot's summarizer to distill research articles into key points, then the paraphraser to rewrite sections in their own voice.
• “business owners — A business owner uses QuillBot's grammar checker to polish client-facing emails and proposals, ensuring professional communication before sending.