QuillBot
Paraphrasing and writing assistant with summariser, grammar check and citation tools, free tier with word limits.
Quick facts
| Pricing | Freemium |
|---|---|
| Free tier | Yes — free tier with a word cap and basic paraphrasing modes |
| Platforms | Web, Chrome extension, macOS, Windows |
| Developer | QuillBot |
| Website | https://quillbot.com/ |
What QuillBot is
QuillBot is a writing assistant built around paraphrasing. You paste text and it rewrites it at a chosen level — from light synonym swaps to a fuller restructure — while keeping the meaning. Around that sit a summariser, a grammar and spell checker, a citation generator and a co-writing mode, which together cover the loop of drafting, tightening and formatting an academic or professional document. A browser extension and word-processor integrations let it work where the writing happens. The limits are originality and detection: paraphrasing does not make a claim true, heavily rewritten text can lose precision, and institutions increasingly treat paraphrased AI output as a conduct issue rather than a formatting one. The free tier caps word counts and locks the more thorough modes. The summariser offers paragraph or bullet output depending on whether the result goes into notes or a brief. The grammar checker works on the original text rather than only on rewritten output.
Best for
- Tightening a draft without changing its meaning
- Summarising a long source for notes
- Formatting citations for academic writing
Not ideal for
- Work where paraphrasing would count as misconduct
- Rewriting that has to preserve technical precision
Pros
- Several rewriting levels from light to full restructure
- Summariser and citation tools in one place
- Works inside the browser and word processors
Cons
- Free tier caps words and locks stronger modes
- Rewriting can strip precision from technical text
- Paraphrasing does not verify the underlying claim
Pricing in detail
The free tier allows paraphrasing with a word cap and basic modes. Paid plans are billed monthly or annually and raise the word limit, unlock the fuller rewriting modes, lengthen the summariser and add plagiarism checking; team plans add seats and administration. Because the constraint is words processed, heavy use of the summariser on long documents is what usually forces an upgrade.
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