QuillBot
The AI paraphraser that also checks your grammar, plagiarism, and AI-written text.
Our verdict
A cheap, easy-to-use paraphraser bundled with enough extra tools to cover most everyday writing tasks.
How we rated it
Overall 4.1 / 5
Features4.5
Ease of use4.6
Value for money4.3
Support3.5
Compliance3.6
Pricing
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Free
Free
Covers light, occasional paraphrasing and grammar checks at no cost.
- Paraphrase up to 125 words at a time
- 2 paraphrasing modes
- Basic grammar checks
- Humanize up to 125 words, 6 uses a day
- Limited AI Detector access
Premium
Popular$19.95/mo
Drops to $8.33/mo if you pay yearly. The plan most regular users end up on.
- Unlimited paraphrasing in unlimited modes
- Advanced grammar suggestions
- Unlimited AI Humanizer with tone insights
- Unlimited AI Detector access
- Plagiarism checks on up to 25,000 words a month
Features
- Paraphraser rewrites sentences and paragraphs in your choice of modes, from Standard to Fluency to Formal
- Grammar checker catches spelling, punctuation, and sentence-structure mistakes as you type
- AI Detector flags text that looks AI-generated, with unlimited scans on paid plans
- AI Humanizer rewrites AI-sounding text so it reads more naturally, with a human score to track progress
- Plagiarism checker scans up to 25,000 words a month against web and academic sources
- Summarizer condenses long text into a shorter version, with control over the length
- Citation generator builds APA, MLA, and Chicago references automatically
- Built-in AI chat can brainstorm, research, and help draft new content
- AI image generator and background remover for quick visuals
- Works inside Chrome, Edge, and Safari through a browser extension, plus a Word add-in
- Desktop apps for Windows and Mac, and a keyboard app for iPhone and Android
- Translates text into more than 40 languages
