QuillBot offers an AI-powered paraphrasing tool to improve writing by providing a variety of ways to rephrase text, with customization options for vocabulary change and an AI-powered thesaurus to find the best synonyms. The tool has several modes for writing styles, integrations with Chrome and Word, and is trusted by millions worldwide, saving time and improving fluency, vocabulary, tone, and style. QuillBot also offers additional tools such as a summarizer, citation generator, plagiarism checker, and grammar checker, among others, to enhance the writing process. The company offers a free and Premium plan with several resources to improve writing, including a knowledge base, educational courses, and a blog.