Synonyms (Word Flipper)

FewMore Accurate
More Less Accurate


Changed Words

Structural Changes

Longest Unchanged Words

QuillBot's paraphrasing tool helps millions of people rewrite and enhance any sentence, paragraph, or article using state-of-the-art AI.

Your words matter, and our paraphrasing tool is designed to ensure you use the right ones. With 2 free modes and 5 premium modes to choose from, QuillBot’s paraphraser can rephrase any text in a variety of different ways, guaranteeing you find the perfect language, tone, and style for any occasion. Just enter your text into the input box, and our AI will work with you to build the best paraphrase from the original piece of writing.


Vocabulary enhancements

Use the Synonyms to change more (or less) of your writing.

AI-Powered Thesaurus

Find the right synonym

Click on any word in your writing to find the right synonyms and get your perfect word!


Plugs into the writing tools you already use

QuillBot integrates directly into Chrome and Microsoft Word. Now you don’t have to switch windows every time you want to rephrase a sentence, paragraph, or article!

QuillBot's Paraphraser helps you write better, faster, and clearer

QuillBot is trusted by students, writers, and professionals
who simply want to write better.

QuillBot is trusted by students, professional writers, and business people who simply want to write better.

time saved

Average time savings per writing project.


Trusted by millions worldwide.


125 words on a free plan.

Whether you’re writing emails, essays, or social media posts, QuillBot's paraphrasing tool has your back.

No matter who you are or what you do, QuillBot has writing and research tools to support you in making your work come alive. Authors, students, researchers, journalists, attorneys, and everyone in between have employed the paraphraser to reword writing for school essays, professional correspondence, creative storytelling, and personal projects. Writing with confidence will change the way you interact with the world, and QuillBot is ready to help you elevate your skills. If you’re looking to paraphrase online, there’s only one place to go, and you’re already here.

Grammar Checker

When your draft is complete, and you’ve ironed out all of the bumps in your content, put the final polish on your written work quickly and easily with our new Grammar Checker. With one click, QuillBot will scan your writing and alert you to any errors in grammar, spelling, punctuation, word misuse, and more so that you can easily see what’s amiss and fix it fast.

Summarizing Tool

When it comes to staying on top of your reading list, try our instant text summary tool--a.k.a. the Summarizer. Let QuillBot’s AI sift through research papers, news articles, or long-winded emails to identify the main points and give you a high-level overview of the material.