What is QuillBot?
QuillBot is a web-based writing tool with a paraphraser, grammar checker, summarizer, AI detector, humanizer, translator and citation generator. It also comes as browser extensions, desktop and mobile apps and a Word add-in.
Who it's for
People who draft or revise text, such as students and professionals, and groups of five or more who buy shared seats through the Team plan.
Pros & cons
Strengths
- A free plan available with sign-up only
- Premium paraphrasing has no word cap and includes custom modes
- Translation into 40+ languages, paraphrasing in 23 languages and grammar correction in 6
- Premium works on up to 10 devices at a time
- Payment by card or PayPal, and a subscription can be paused from the Account page
Limitations
- Free paraphrasing is capped per input and limited to two modes; QuillBot's own pages give 100 and 125 words
- Free summaries are capped at 1,200 words, against 6,000 on Premium
- Free grammar is basic fixes only; AI Detector, humanizer and AI chat have limited free use
- Premium lists plagiarism prevention at 25,000 words a month and up to 50 paraphrases of history a month
- Prices can change at checkout by region and local currency
Plans and pricing
- Free: $0. Limited paraphrasing, 1,200-word summaries, basic grammar fixes.
- Premium: $8.33/month, billed annually. Monthly and quarterly options exist per the help center, but their prices were not on the pages we read.
- Team: Price on request. For groups of 5 or more, on one invoice.
The $8.33 is the annual-billing price shown on the Premium page.
Details checked October 2026 against the vendor's own pages. Prices and limits change, so confirm before you buy. Official pricing page ↗
Sources
This profile was compiled from these public pages. We have not run hands-on tests.
QuillBot — at a glance
QuillBot is a web-based writing tool with a paraphraser, grammar checker, summarizer, AI detector, humanizer, translator and citation generator. It also comes as browser extensions, desktop and mobile apps and a Word add-in.
Try QuillBot →