Quillbot

Writing AI

AI writing platform for paraphrasing, grammar checking, and summarizing.

About Quillbot

Quillbot is a comprehensive AI writing tool used by millions of students and professionals. It is best known for its paraphrasing tool, which can rewrite sentences in various modes (Standard, Fluency, Formal, etc.). It also includes a grammar checker, plagiarism checker, co-writer, and summarizer, making it an all-in-one writing assistant.

Whether you need help writing code, drafting emails, brainstorming creative ideas, or explaining complex topics, Quillbot serves as a versatile digital assistant capable of handling a wide array of linguistic tasks with remarkable nuance and accuracy.

Key Features

Paraphraser

Rewrite any sentence or paragraph with multiple modes and a synonym slider.

Grammar Checker

Fix spelling, grammar, and punctuation errors instantly.

Summarizer

Condense long articles or documents into key bullet points.

Co-Writer

An integrated writing environment that combines all Quillbot tools.

Citation Generator

Easily create citations in APA, MLA, and Chicago formats.

Plagiarism Checker

Scan your text for potential plagiarism to ensure originality.

Pros & Cons

Pros

+The paraphrasing tool is best-in-class, offering multiple modes and a high degree of control
+The premium plan is very affordable compared to many other specialized AI writing tools
+Excellent all-in-one platform for academic writing, including a powerful citation generator
+The 'Co-Writer' feature provides a great integrated environment for research and drafting
+Very user-friendly and fast, making it ideal for students and busy professionals

Cons

-The free version has relatively low word limits for both paraphrasing and summarizing
-The AI can occasionally change the meaning of complex or highly technical sentences
-The grammar checker, while good, is not as deep or comprehensive as Grammarly
-Requires a premium subscription to unlock the most powerful paraphrasing modes

Frequently Asked Questions

Is Quillbot free to use?

Quillbot offers a free plan that includes 125 words in the Paraphraser and 1,200 words in the Summarizer. For more features and higher word limits, you'll need a premium subscription.

What are the different paraphrasing modes in Quillbot?

Quillbot offers several modes like Standard, Fluency, Formal, Simple, Creative, Expand, and Shorten, each designed for a specific writing style or goal.

Does Quillbot have a plagiarism checker?

Yes, Quillbot Premium includes a plagiarism checker that can scan your text to ensure it's original and properly cited.

Can I use Quillbot in my browser?

Yes, Quillbot has a popular browser extension for Chrome, allowing you to use its features directly on websites like Google Docs and Gmail.

Updated on May 2026