QuillBot: AI Writing Assistant & Paraphrasing Tool
QuillBot is an AI-powered writing assistant offering paraphrasing, grammar checking, plagiarism detection, and more. Free tier available. 35M+ users trust QuillBot.
QuillBot is an AI-powered writing assistant that helps users paraphrase text, check grammar, detect plagiarism, and humanize AI-generated content. Available as both free and premium tiers, QuillBot offers 10+ paraphrasing modes, multi-language support (23 languages), and integrations across Chrome, Edge, Word, and mobile platforms. The premium annual plan costs $99.95 ($8.33/month), making it one of the most affordable comprehensive writing tools available.
Pricing
Free tier with unlimited basic paraphrasing (125 words per use) and core tools. Premium at $19.95/month, $39.95 quarterly ($13.31/mo), or $99.95 annually ($8.33/mo). Student plan $6.25/month with .edu verification. Team plans start at $7.50/user/month with volume discounts.
Frequently Asked Questions
Is QuillBot free to use?
Yes, QuillBot has a permanently free tier with unlimited basic paraphrasing (limited to 125 words per use), grammar checking, summarizer (1,200 words), translator, and AI detector. Premium features require a paid subscription starting at $8.33/month annually.
How much does QuillBot Premium cost?
QuillBot Premium offers flexible pricing: $19.95/month (monthly), $39.95 every 3 months ($13.31/month), or $99.95/year ($8.33/month for best value). Students with .edu email get 25% discount at $6.25/month. Team plans start at $7.50/user/month.
Can QuillBot make AI-generated text undetectable?
No. Independent testing shows QuillBot's AI Humanizer is only 40-60% effective at reducing AI detection scores. While it can improve readability and tone, it cannot consistently bypass AI detection tools like GPTZero or Turnitin.
What languages does QuillBot support?
QuillBot supports paraphrasing in 23 languages and translation to 40+ languages. However, free users only get the Standard paraphrasing mode in non-English languages. Premium users unlock all 9+ modes in all supported languages.
Which platforms does QuillBot work on?
QuillBot works on Chrome, Edge, Safari, Firefox, Windows, macOS, iOS, and Android. It integrates directly with Gmail, Google Docs, Word, Outlook, Slack, Teams, Notion, LinkedIn, and 100+ other websites.
Does QuillBot offer a free trial?
No traditional free trial exists, but the free tier serves as a permanent trial with core tools available. Premium plans include a 3-day, 100% money-back guarantee for first-time users.
How accurate is QuillBot's plagiarism checker?
QuillBot's plagiarism checker scans content against online sources and can process up to 25,000 words per month on Premium. However, independent reviews note it's less comprehensive than Turnitin. Results may vary based on document complexity and online source availability.