QuillBot is an AI-powered paraphrasing and writing tool that uses natural language processing to rewrite sentences and paragraphs in different styles — from formal to simple to creative. It offers multiple paraphrase modes, a grammar checker, a summarizer, and a citation generator, making it popular with students, academic writers, and content creators who need to rephrase content while retaining meaning. QuillBot integrates directly into Google Docs and Microsoft Word through extensions.
QuillBot
AI paraphrasing, summarising and grammar checking.
Best for: Students, academics and ESL writers who need to paraphrase, summarise or improve text fluency.
- Free plan
4.3/5 ratingEditorial score 82/100quillbot.com
Starts at
Free (125 words)
Get started free
Opens the official website in a new tab.
Editorial score82/100
The editorial note
What to know about QuillBot
Is it right for you?
Who QuillBot suits
Choose it if
- Students, academics and ESL writers who need to paraphrase, summarise or improve text fluency.
Look elsewhere if
- Writers needing original content generation or full AI writing assistance — Grammarly's AI or Jasper.ai provide original content creation alongside editing, while QuillBot focuses primarily on paraphrasing existing text
What you get
Key features
- AI paraphrasing with multiple modes
- Grammar checker
- Summarizer
- Citation generator
- Plagiarism checker
- Co-Writer (AI writing assistant)
- Translator
- Synonym slider
Works with
Integrations7
What it costs
Pricing
| Plan | Price | What it includes |
|---|---|---|
| Free | Free (125 words)Billed monthly | Paraphrase up to 125 words per request with standard modes |
| Premium | $19.95 / monthBilled monthly | Unlimited paraphrasing, all modes, summarizer, and plagiarism check |
Prices are recorded from the vendor's public pricing page and can change. Check before you buy.
The trade-off
Pros and cons
Pros
- Industry-leading paraphraser — multiple modes (Standard, Formal, Simple, Creative, Expand) for different contexts
- Google Docs and Microsoft Word extensions work seamlessly within existing writing workflow
- Grammar checker and summarizer combine with paraphrasing for a complete writing toolkit
- Synonym slider controls vocabulary substitution level for natural-sounding rewrites
- Affordable free tier with 125 words per paraphrase — sufficient for many student use cases
Cons
- Paraphrasing quality is high but can sometimes produce unnatural sentences requiring manual editing
- Not ideal as a full writing assistant — primarily a paraphrasing and editing tool, not a generator
- Some academic institutions flag QuillBot-paraphrased content in plagiarism detectors
- Free plan limits paraphrase length to 125 words — insufficient for longer document sections
Quick read
At a glance
- Category
- AI Tools
- Pricing model
- Freemium
- Entry plan
- Free (125 words)
- Free plan
- Available
- Free trial
- Not listed
- Website
- quillbot.com
The verdict
Our take on QuillBot
The best paraphrasing tool available — the mode variety and accuracy are genuinely useful for academic writing.
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