Artificial intelligence

QuillBot: The Ultimate AI Paraphrasing Tool

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By Cláudia Huguet, on 10 June 2025

In digital marketing, finding tools that help teams write faster without sacrificing quality is always useful. Whether you're reworking ad copy, repurposing blog content for different platforms, or trying to keep up with SEO demands, having a reliable way to rephrase and polish text can save you hours of work.

Enter: QuillBot. This AI-powered writing and paraphrasing tool has gained attention among marketers and content teams for its ability to rewrite text quickly, suggest cleaner phrasing, and support consistent brand messaging across channels.

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QuillBot


What Is QuillBot?

Launched in 2017, QuillBot is designed to assist users in rewriting and refining text. Beyond paraphrasing, it offers features like grammar checking, summarizing, AI detection, plagiarism checking, and citation generation.

It can be accessed directly at quillbot.com or installed for free as a Google Chrome extension.


Key Uses for Marketing Professionals


1. Paraphrasing Modes

QuillBot provides several distinct modes: Standard, Fluency, Humanize, Formal, Academic, Simple, Creative, Expand, Shorten, and Custom. These modes allow users to tailor the tone and style of their content to suit various platforms and audiences. For instance, the Formal mode is ideal for professional communications, while the Creative mode can add flair to blog posts or social media content.

You can upload documents or paste your text directly into the paraphrasing tool. Just keep in mind that the free version only allows you to paste up to 125 words at a time.


2. Grammar Checker

The free built-in grammar checker identifies and corrects grammatical errors, spelling mistakes, and punctuation issues. While it offers real-time suggestions, some users have noted that the explanations for corrections are brief, potentially requiring additional research for clarity.

After adding your text, the grammar checker will analyze it and give you a score out of 100. It will then provide you with a list of edits it recommends. The free version can be a bit limiting here for a longer text, since the more helpful suggestions like checking for fluency and overused expressions can only be accessed with the premium subscription.


3. Summarizer

QuillBot's summarizer condenses lengthy texts into concise summaries. This feature is particularly useful for those who need to quickly grasp the essence of reports, articles, or research papers. The free version can summarize up to 1,200 words (600 if you remain logged out), while the premium version extends this limit to 6,000 words.

This tool can transform your text into bullet points, fill in the gaps of the paper with a comprehensive title or conclusion, turn your paper into an academic one, or create a summary of your chosen length.


4. AI Content Detector

As generative AI tools become more common in content workflows, marketers face a new challenge: making sure their writing doesn't get flagged as AI-generated by platforms or potential consumers. QuillBot offers an AI content detector to help users assess whether their text might be seen as AI-written. This can be especially important for SEO purposes, as some search engines are rumored to weigh AI-detection signals when ranking content.

While helpful, it’s important to note that no AI detector is 100% accurate (QuillBot’s included). It may occasionally flag human-written text or miss AI-generated content. So, it's always best to reread and tweak the final result as needed. For marketers publishing at scale or managing freelance contributors, it can be a useful final step before hitting publish.


5. Integration with Popular Platforms

QuillBot integrates with tools like Google Docs, Microsoft Word, and Google Chrome, allowing users to edit content without switching between applications. This integration can increase workflow efficiency for marketing teams.


Pros of Using QuillBot

  • User-Friendly Interface: QuillBot's intuitive design makes it accessible for users of all skill levels, with no sign-in required.

  • Versatility: With multiple modes and features, it caters to diverse writing needs, from crafting social media posts to drafting formal reports.

  • Cost-Effective Premium Plans: The annual premium plan is priced at $99.95, offering a comprehensive suite of features.


Cons to Consider

  • Limited Free Version: As mentioned, the free plan restricts paraphrasing to 125 words at a time and offers only two modes, which might not suffice for extensive projects.

  • Inconsistent Paraphrasing Quality: Some users have reported that the paraphrased output occasionally alters the original meaning or sounds unnatural, requiring manual edits.

  • Plagiarism Checker Limitations: This feature is only offered for premium users and might be restrictive for users handling large volumes of content.

  • Language Restrictions: Although Quillbot’s free paraphrasing tool offers 23 different language options, it leaves out a good amount of widely spoken languages like Arabic. Also, even though the free module does account for different types of English, such as US and AU English, it does not do the same for other languages, like Spanish.


Is QuillBot Right for Your Marketing Team?

QuillBot offers a range of features that can aid marketing professionals in content creation and editing. Its user-friendly interface and integration capabilities make it a convenient tool for daily tasks. Keeping that in mind, teams should weigh the limitations of the free version and consider whether the premium plan aligns with their content volume and quality requirements.

For those seeking a tool to assist with paraphrasing and basic editing, QuillBot can be a valuable addition to the marketing toolkit. That said, it's essential to complement its use with human oversight to ensure content accuracy and authenticity.

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Cláudia Huguet