What QuillBot does
QuillBot combines paraphrasing with grammar, summarization, citation, plagiarism, translation, AI detection, humanizing, browser, and Word tools.
QuillBot has grown from a paraphraser into a broad writing suite. Its tools cover rewriting modes, grammar checking, summarization, citation generation, translation, plagiarism checking, AI detection, humanizing, browser extensions, and a Microsoft Word add-in. The central workflow is transformation: give a tool existing text, choose the desired operation or mode, and compare its output with the source. That can accelerate revision and help writers see alternative structures. It can also hide problems. A paraphrase may distort a claim while sounding polished, a citation generator can faithfully format incorrect metadata, and an AI detector produces a probability signal rather than proof of authorship.
The current Premium page shows Free at $0 and Premium at $8.33 per month billed annually, equivalent to $99.95 per year; an official FAQ lists $19.95 for a monthly subscription. Free paraphrases up to 125 words in two modes, provides basic grammar help, limited humanizing and summaries, and limited detector access. Premium advertises unlimited paraphrasing and modes, advanced grammar recommendations, unlimited humanizing and detector access, custom summaries, and help preventing accidental plagiarism. A Team plan adds user management, centralized billing, usage metrics, data control, and support. Buyers should inspect exact per-tool limits because 'unlimited' on one capability does not necessarily define every product allowance.
Privacy settings deserve attention before installing the extension broadly. QuillBot says individual-user inputs and usage data may be sampled to train and improve its services and personalize results. On extension versions 4.37.0 or later, all users can opt out of storing text inputs and account holders can opt out of using those inputs to train QuillBot models; storage is on by default. QuillBot says it does not train on Team-plan text inputs and its third-party service providers may not use customer data to train their models. Check these controls on every account, minimize sensitive input, and verify current institutional rules. QuillBot should support original reasoning and attribution—not disguise copied work, evade policy, or replace source reading.
How QuillBot works
QuillBot sends user-selected text to a chosen tool such as Paraphraser, Grammar Checker, Summarizer, Translator, or AI Detector. Models analyze the input and return transformations, corrections, condensed text, translations, or probabilistic classifications. The writer chooses modes and settings, compares output with the source, verifies meaning and attribution, and decides what to accept.
Route text to the right tool
Select Paraphraser, Grammar Checker, Summarizer, Translator, Citation Generator, AI Detector, or another eligible feature. Confirm that the task, source use, and integration comply with workplace or academic rules.
Apply the requested model
QuillBot analyzes the input and returns a rewrite, correction, summary, translation, citation, or probability signal. Modes and length limits vary by tool and plan; processing quality depends on the supplied text.
Compare output with evidence
Keep the original visible while checking meaning, omissions, terminology, metadata, quotations, and attribution. A grammatical paraphrase can still be inaccurate, and an AI-detector score is not proof of authorship.
Protect data and approve use
Review extension storage and model-training settings, minimize sensitive inputs, and use Team controls where required. A person performs the final integrity, citation, originality, and policy review before using the output.
How to set up QuillBot
Choose a legitimate writing task
Identify whether the goal is paraphrasing your own draft, correcting grammar, summarizing a permitted source, translating, or formatting citations, and follow institutional rules.
Select plan and integration
Test Free limits in the web app, browser extension, or Word add-in; compare Premium or Team only after documenting volume, plagiarism, administration, and privacy needs.
Configure data controls
In extension settings, review text-storage and model-training choices, use an account when opting out of training, and keep confidential or regulated content out unless approved.
Transform with the source visible
Work in small passages, choose the appropriate mode or tool, and compare every output with the original for changed claims, missing caveats, terminology, and attribution.
Verify authorship and integrity
Check citations against primary records, review originality under applicable rules, treat AI-detection results as non-conclusive, and complete a human final edit.
QuillBot FAQs
Is QuillBot free?
Yes. Free includes limited paraphrasing, grammar, humanizing, summaries, and AI-detector access. Current free paraphrasing is limited to 125 words and two modes.
How much is QuillBot Premium?
The current annual offer is $8.33 per month billed as $99.95 yearly. QuillBot's official pricing FAQ lists a $19.95 monthly option; verify live checkout terms.
Does QuillBot train on user text?
QuillBot says individual inputs and usage may be used for service training and personalization. Eligible extension users can change storage and training controls; Team-plan text is not used for training.
Can a QuillBot AI Detector prove cheating?
No. AI detection is probabilistic and can produce false results. It should not be treated as conclusive evidence about authorship or misconduct.
Does paraphrasing remove the need to cite a source?
No. Rewording another person's ideas does not remove the obligation to attribute them. Writers must follow applicable citation, copyright, and academic-integrity rules.
Listing reviewed 2026-07-15. Product details and pricing can change; verify important terms on the provider's website.
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