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QuillBot AI Tool

AI-powered paraphrasing and writing enhancement tool that rewrites, summarizes, and improves text.

writing Freemium ★ 4.6/5

Last updated: February 2026

Rank

#6

Status

Listed

Category

writing

Who Is This For?

QuillBot is the go-to tool for students, academics, ESL learners, and researchers who need to paraphrase, summarize, and polish written content while preserving original meaning. It is especially valuable for non-native English speakers looking to improve fluency and for academic writers who need to rephrase sources correctly to avoid plagiarism. Content creators and bloggers who want to refresh or repurpose existing content also find QuillBot's multiple rewrite modes highly practical.

About QuillBot

QuillBot is one of the most popular AI writing tools for paraphrasing, summarizing, and enhancing written content. Trusted by over 35 million users including students, writers, and professionals, it uses advanced natural language processing to rephrase sentences and paragraphs while preserving the original meaning — making it one of the most used AI writing tools in academic and professional settings worldwide.

The tool offers multiple writing modes — Standard, Fluency, Formal, Academic, Creative, and more — allowing users to adjust the tone and style of the output to fit the context. The Custom mode lets advanced users define their own style preferences, while the Compare Modes feature runs multiple paraphrase styles simultaneously for side-by-side comparison. QuillBot integrates directly into Google Docs and Microsoft Word, making it easy to use within existing writing workflows without context-switching.

Beyond paraphrasing, QuillBot includes a grammar checker, plagiarism detector, summarizer, translator, citation generator, and co-writer. The grammar checker catches spelling, punctuation, and stylistic errors in real time, while the summarizer condenses long articles into key points or structured bullet lists — particularly useful for research and note-taking.

QuillBot's AI is specifically optimized to maintain semantic accuracy while varying syntax and vocabulary. Unlike basic synonym replacers, QuillBot restructures entire sentences, reorders clauses, and selects contextually appropriate words to produce natural-sounding rewrites that pass readability standards. This makes it especially popular among ESL learners and non-native English speakers working in academic or professional environments.

For researchers and academics, the citation generator is a standout feature — supporting APA, MLA, Chicago, and IEEE formats from just a URL or DOI. Combined with the plagiarism checker that compares text against billions of web pages and academic sources, QuillBot provides a complete toolkit for academic writing and integrity management at a fraction of the cost of competing academic writing suites.

Key Features

  • AI paraphrasing with multiple rewriting modes
  • Grammar checker for error-free writing
  • Summarizer for condensing long texts
  • Plagiarism detector
  • Citation generator (APA, MLA, Chicago)
  • Translator supporting 30+ languages
  • Google Docs and Microsoft Word integration
  • Co-writer for content creation

Best Use Cases

  • Academic essay and research paraphrasing
  • Blog post rewrites and content refresh
  • Professional email and document polishing
  • Summarizing research papers
  • Plagiarism-free content generation
  • Language simplification for ESL learners and non-native writers
  • Citation generation for academic papers

Pricing Plans

Free

125 words paraphraser, 1 paraphrase mode, grammar checker — $0/mo

Premium – $9.95/mo

Unlimited paraphrasing, all modes, plagiarism checker, citations (billed annually)

✅ Pros

  • Best-in-class paraphrasing quality
  • Multiple writing modes for different tones
  • Integrates with Google Docs and Word
  • Comprehensive free plan available
  • Great for academic writing

❌ Cons

  • Free plan limited to 125 words per paraphrase
  • Plagiarism checker requires Premium
  • Less versatile than general AI models like ChatGPT

Alternatives to QuillBot

Grammarly — Best for grammar correction and tone improvement
ChatGPT — More flexible for full content creation and rewriting
Jasper — Marketing-focused AI writing with brand voice

Frequently Asked Questions

Is QuillBot good for academic writing?

Yes — it paraphrases while maintaining meaning, which is valuable for academic essays and research.

Is QuillBot free?

Yes, the free plan offers basic paraphrasing. Premium unlocks unlimited words and all modes.

Does QuillBot detect plagiarism?

Yes — the plagiarism checker is available on Premium plans.

Can QuillBot summarize documents?

Yes — the summarizer condenses long articles and papers into key points.

Does QuillBot support languages other than English?

Yes — QuillBot's translator supports 30+ languages, and the grammar checker and paraphraser work in multiple languages including Spanish, French, and German.

Can QuillBot help with citations and references?

Yes — QuillBot includes a citation generator that supports APA, MLA, Chicago, and IEEE formats, allowing you to generate formatted citations from a URL or DOI in seconds.

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