Write effortlessly and efficiently with QuillBot's suite of AI tools. Paraphrase, check grammar, analyze tone, improve fluency, and more. Start doing your best work.

English (US)


Portuguese (Brazilian)











Changed Words

Structural Changes

Longest Unchanged Words

AI Paraphrasing Tool

Your words matter, and our paraphrasing tool is designed to ensure you use the right ones. With unlimited Custom modes and 9 predefined modes, Paraphraser lets you rephrase text countless ways. Our product will improve your fluency while also ensuring you have the appropriate vocabulary, tone, and style for any occasion. Simply enter your text into the input box, and our AI will work with you to create the best paraphrase.

Why use QuillBot’s Paraphrasing Tool?

Our Paraphraser has unique features.




Decide how much vocabulary change you want

Use the Synonym Slider to change more (or less) of your writing. Moving the slider to the left will give you a more accurate rephrase with fewer changes; moving it to the right means you’ll get a more creative output with more changes.


Find the best synonym using an AI-powered thesaurus

Click on any word in the paraphrase to see a list of suggested synonyms. Then pick the perfect word or phrase to express your meaning!



How does QuillBot’s Paraphraser work?

QuillBot's online paraphrasing tool is powered by AI and is part of QuillBot’s overall writing function, which makes it more effective.

  • Start by either typing or pasting the text you want to paraphrase into the input box on the left. You can also start by uploading a document that you want to paraphrase.

  • Choose your preferred paraphrase mode for the input text. Once done, you can then click the “Paraphrase” button located near the bottom of the interface.

  • When the AI finishes altering the text, it will pop up in the right section of the interface. You can then use the "Copy All" button located in the bottom right corner to easily copy the text.

QuillBot’s Paraphraser helps you write better, faster, and smarter

Our rewording tool is free and easy to use—with just the click of a button, the paraphrasing tool will rephrase your sentence, paragraph, essay, or article to your liking, with many options available to customize and perfect the reworded text.

😍ImprovesFluency, vocabulary, tone & style
Quickly rephrasesSentences, paragraphs & more
💡AI modesUnlimited styles
✈️English dialectsUS, UK, CA & AU

Get 9 pre-defined paraphrasing modes to choose from


Rewrites text with new vocabulary and word order


Improves the clarity and readability of text


Rewrites text in a more human, authentic way


Rephrases text in a more sophisticated way


Expresses text in a more technical and scholarly way


Presents text in a way that’s easy to understand


Rephrases text in an original and innovative way


Increases the length of the text


Conveys the meaning of text concisely

Or create your own using

Rewrites text to match the unique description provided

3-day money-back guarantee

QuillBot has what you need

QuillBot offers you top-notch AI writing tools for perfecting your writing, from our Paraphraser and Grammar Checker to our Plagiarism Checker, AI content Detector. We even help with any English variant you’re writing in, whether it’s UK, US, Australian, or Canadian.

At QuillBot, we’re committed to making writing painless by building the most robust writing and research platform in the world. Backed by AI technology, our models are more dynamic than those of any other tools on the market, and we’re always looking to improve our users’ experience and workflow.

What other tools would be helpful to you? We want to hear from you.

Paraphraser FAQs

Paraphrasing is expressing the same meaning of a piece of text in your own words. It involves rephrasing sentences or paragraphs, using synonyms, and restructuring the text while maintaining the core message.

Paraphrasing focuses on rephrasing the same content in a similar length, while summarizing condenses the main ideas of a text into a shorter version.

Our tool can paraphrase a variety of text formats, including:

  • Sentences

  • Paragraphs

  • Short articles or excerpts

  • Many more

Absolutely! You can access QuillBot's paraphrasing features for free. We let you rewrite sentences and paragraphs without any upfront cost. To use advanced features, you could go ahead and upgrade to QuillBot Premium.