Quillbot is an AI-powered writing assistant that helps users improve their writing through a suite of powerful tools. Write effortlessly and efficiently with Quillbot's suite of AI tools. Paraphrase, check grammar, analyze tone, improve fluency, and more.

## AI writing tools

Quillbot goes beyond just paraphrasing to support every stage of the writing process. We also provide powerful tools like our Grammar Checker, AI Humanizer, AI Detector and Plagiarism Checker, alongside Translate, Summarizer, Citation Generator, AI Chat, and AI Image Generator.

## Paraphrasing

Your words matter, and our paraphrasing tool helps you find the right ones. With unlimited Custom modes and 9 predefined modes, Paraphraser lets you rephrase text countless ways. Whether you’re writing for work or for class, our product will improve your fluency and enhance the vocabulary, tone, and style of your writing.

Quillbot's online paraphrasing tool uses AI to find new ways to phrase sentences without changing their meaning or context. Think of it like a full-sentence thesaurus. Our AI rewording tool is free and easy to use—with just the click of a button, the paraphrasing tool will rephrase your sentence, paragraph, report, or article to your liking, with many options available to customize and perfect the reworded text.

## Availability

Quillbot works across all of your favorite apps and websites, so you can write professionally on every platform. It is available as a Chrome extension, macOS app, Windows app, and Word add-in.