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QuillBot
Writing assistant with a paraphraser, grammar checker, summarizer, AI detector and plagiarism checker for students and everyday writers.
What is QuillBot?
QuillBot is a writing suite built around a paraphraser that rewrites sentences in different styles. Around it sit a grammar checker, summarizer, translator, AI detector, plagiarism checker, AI humanizer, citation generator, AI chat and an image generator, so a draft can be reworded, checked and cited without leaving one account. It runs on the web and through browser extensions and a mobile app, and a Premium subscription works across all of them on up to 10 devices at a time. Students use it for essays and assignments, while professionals and content writers use it to tighten tone and clarity. The free account offers Standard and Fluency paraphrasing modes and a cap on words per run, and Premium raises or removes those caps. Premium is billed monthly, semi-annually or annually by card or PayPal, and QuillBot does not show the amounts on its help pages, so check the upgrade page for current prices in your currency.
Use cases
- Paraphrase a paragraph in a chosen mode
- Fix grammar and spelling errors
- Summarize long articles or notes
- Check text for AI-generated content
- Check a draft for plagiarism
- Generate citations for references
- Translate text between languages
Who it's for
Why use QuillBot
- Paraphrasing, grammar, summarizing, AI detection and plagiarism checks live in one account, so a draft moves through steps without copying between apps.
- A free tier lets you try the paraphraser, translator and AI detector before deciding whether Premium is worth paying for.
- Several paraphrase modes, from academic to simple, let you match the same text to different readers.
- Browser extensions bring the tools into the pages and documents where you already write.
- You can pause a Premium subscription during a break instead of cancelling it.
QuillBot features
- Paraphraser with Standard, Fluency and further modes on Premium
- Grammar checker with advanced writing suggestions
- Summarizer with custom summaries on Premium
- AI detector
- Plagiarism checker with a monthly word allowance on Premium
- AI humanizer
- Translator
- Citation generator
- AI chat and AI image generator
- Browser extensions and mobile app
How to get started with QuillBot
- Open QuillBot on the web, or add the browser extension or mobile app.
- Paste or type text into a tool such as the paraphraser, grammar checker or summarizer.
- Choose a mode, for example Standard or Fluency, and run it.
- Review the rewritten text and the suggestions, then copy the result or compare modes on Premium.
- Upgrade to Premium for higher limits, the plagiarism checker and paraphrase history.
QuillBot limitations
- Free account paraphrases up to 125 words at once
- Free account has two paraphrase modes: Standard and Fluency
- Plagiarism checking is a Premium feature, with 25,000 words per month
- Free summarizer handles up to 600 words in the help-center comparison
- Premium can be used on only 10 devices at a time
QuillBot pricing
Yes, QuillBot has a free plan.
Prices can change and may vary by country or exclude tax. Check the official pricing page.
QuillBot alternatives
The main QuillBot alternatives listed on Debuly are Grammarly, Wordtune, Rytr, ReText.AI, Free AI Tools JP and Clever AI Humanizer. The table compares pricing and platforms; order is A–Z.
| Tool | Pricing | Starting price | Platforms |
|---|---|---|---|
| QuillBot | Freemium | — | Web, Mobile app |
| Clever AI Humanizer | Free | — | Web |
| Free AI Tools JP | Free | — | Web |
| Grammarly | Freemium | $12/mo | Web, iOS, Android |
| ReText.AI | Freemium | $12/mo | Web, API |
| Rytr | Freemium | $9/mo | Web, Chrome extension |
| Wordtune | Freemium | $4.89/mo | Web, Chrome extension, API |
Clever AI Humanizer
Free web tool that rewrites AI-assisted drafts for more natural tone and sentence variety, plus a detector, paraphraser and grammar checker.
Free AI Tools JP
Japanese-language set of 141 free browser AI tools for emails, keigo, proofreading, summaries and files, with no sign-up.
Grammarly
AI writing assistant that fixes grammar, adjusts tone, rewrites sentences and drafts text in the apps and sites where you write.
FreemiumVisit Grammarly (official site)
ReText.AI
Online text tools for paraphrasing, summarizing, expanding, grammar checking and AI-text detection, with a premium tier and API.
FreemiumVisit ReText.AI (official site)
Rytr
AI relationship manager and writing assistant that preps meetings, tracks follow-ups and drafts replies in your own voice.
FreemiumVisit Rytr (official site)
Wordtune
Wordtune is an AI writing companion that rewrites sentences and paragraphs, suggests continuations and summarizes articles and PDFs.
FreemiumVisit Wordtune (official site)
QuillBot FAQ
Is QuillBot free?
Yes, there is a free account with basic access to most tools. It includes Standard and Fluency paraphrasing for up to 125 words at once, AI detection up to 1,200 words, and translation up to 5,000 characters.
How much does QuillBot Premium cost?
QuillBot's help center does not state an amount. Premium is billed monthly, semi-annually or annually, so check the upgrade page for the current price in your currency.
What does QuillBot Premium add?
Premium adds unlimited paraphrasing, nine modes, mode comparison, paraphraser history, tone insights, a plagiarism checker with 25,000 words a month, longer summaries, faster processing and priority assistance.
How can I pay for QuillBot Premium?
You can pay with a credit or debit card or with PayPal. Subscribing through the mobile app also gives Premium on the website and extensions.
Does QuillBot work on more than one device?
Yes. Premium works on all your devices, limited to 10 devices at a time to prevent abuse.
Who is QuillBot for?
It is aimed at students writing assignments, along with writers, content creators and professionals who want to reword, proofread and check their text.
What are alternatives to QuillBot?
Common alternatives include Grammarly, Wordtune, ProWritingAid, Hemingway Editor and Scribbr. They differ in rewriting features, checkers and price.
Sources & verification
Facts on this page come from the official sources below, each with the date we read it. Written by Debuly; the vendor did not review this page.
Image credits
- Logo: from help.quillbot.com · fetched · Vendor trademark, used only to identify the product; removed on request
- Cover: none collected yet, so a generated tile is shown.
Spot an error? Report an issue with this listing. We also remove a logo or image on the owner's request.
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