QuillBot is an AI writing tool best known for its paraphraser. It rewrites sentences in different styles and also includes a grammar checker, summarizer, translator, citation generator, AI detector and AI humanizer. There is a free plan, and Premium costs $8.33 a month billed yearly.
What is QuillBot?
QuillBot is one of the most popular writing tools for students and professionals. Its paraphraser lets you rewrite text in modes like Standard, Fluency, Formal, Academic and Creative, so you can improve clarity or change tone.
It is a full writing suite with a grammar checker, summarizer, translator, citation generator, plagiarism checker, AI detector and AI humanizer. It works on the web, in Chrome, in Microsoft Word and on mobile.
QuillBot key features
Paraphraser
Rewrite text in many modes and tones.
Grammar checker
Fix grammar, spelling and punctuation.
Summarizer
Turn long text into key points or short paragraphs.
AI detector
Check if text may be AI-written.
AI humanizer
Make AI text sound more natural.
Translator
Translate text between many languages.
Citation generator
Create APA, MLA and other citations.
Plagiarism checker
Check originality on Premium.
Extensions
Use QuillBot in Chrome, Word and on mobile.
QuillBot pricing plans (2026)
QuillBot has a free plan with word limits and a Premium plan with unlimited paraphrasing and advanced tools.
Free
Paraphrase up to 125 words at a time with 2 modes, plus basic tools.
Premium
Unlimited paraphrasing, all modes, plagiarism checker and more. $19.95 billed monthly.
Team
Per user, billed yearly. Premium features with central billing for teams.
Prices checked in October 2026 (USD). Premium is $99.95 a year. Team pricing gets lower with more users. Confirm on the official QuillBot pricing page.
How to use QuillBot
- 1
Go to quillbot.com and open the Paraphraser.
- 2
Paste or type your text.
- 3
Choose a mode such as Standard, Fluency or Formal.
- 4
Click Paraphrase and review the suggestions.
- 5
Use the grammar checker or summarizer to polish your text.
Who should use QuillBot?
Students
Paraphrase, summarise and cite sources.
Writers
Improve clarity and change tone.
Researchers
Summarise papers and check grammar.
Non-native speakers
Write fluent, natural English.
Pros and cons
What we like
- Excellent paraphrasing modes
- Many writing tools in one place
- Useful free plan
- Affordable Premium yearly plan
Watch out for
- Free plan has word limits
- Monthly billing is expensive
- Paraphrasing still needs human review
- Using rewrites to avoid plagiarism can break academic rules
Best QuillBot alternatives
QuillBot is one of the best tools for paraphrasing and everyday writing help. The free plan is great for short tasks, and Premium billed yearly is good value for students and writers.
QuillBot FAQs
Is QuillBot free?
Yes. QuillBot has a free plan with word limits. Premium costs $8.33/month billed yearly.
How much does QuillBot Premium cost?
Premium costs $19.95/month or $99.95/year (about $8.33/month).
Is QuillBot safe to use for school?
QuillBot is safe, but check your school rules about paraphrasing and AI tools.
Does QuillBot have an AI detector?
Yes. QuillBot includes a free AI detector and an AI humanizer.
Is QuillBot better than Grammarly?
QuillBot is best for paraphrasing, while Grammarly is stronger for real-time grammar and tone checks.
Who owns QuillBot?
QuillBot is part of Learneo, Inc. and was founded in 2017.
