Revising your own prose
Compare rewrites, improve fluency and correct grammar while retaining editorial control over meaning and voice.
Independent tool overview
QuillBot at a glance
QuillBot is an AI writing suite for paraphrasing, grammar correction, summarization, translation, citations, plagiarism checks, AI detection and assisted drafting across web, desktop and browser integrations.
Visit the official QuillBot site ↗
- Product type
- AI writing, rewriting and originality suite
- Free paraphraser limit
- 125 words per input
- Premium annual price
- $8.33/month billed annually
- Premium plagiarism allowance
- 25,000 words per month
- Apps and extensions
- Web, browsers, desktop, mobile and Word
- Pricing checked
- August 31, 2026
Overview
What QuillBot is
QuillBot has expanded well beyond its original paraphraser. Its current suite includes writing and rewriting tools, a grammar checker, summarizer, translator, citation generator, plagiarism checker, AI detector, AI humanizer, chat, image generation and a document workspace.
The product is strongest as an editing layer around writing the user already understands. Writers can compare paraphrase modes, lock terms, inspect changes, correct grammar and run originality checks without moving between several standalone tools.
None of those tools removes authorship responsibility. Rewriting can change meaning, citation formatting cannot validate a source, plagiarism scans are incomplete and AI detectors can falsely flag human work. Academic, client and professional users should preserve drafts, verify every material change and follow the applicable disclosure and attribution rules.
Use cases
Who QuillBot is best for
The strongest fit depends on the job you need the product to complete, not the size of its feature list.
Academic drafting support
Summarize notes, format citations and check similarity when institutional rules permit and all sources remain properly attributed.
Multilingual writing workflows
Paraphrase, translate and correct supported languages from a shared toolset, with fluent-speaker review for consequential text.
Capabilities
Core QuillBot features
Paraphraser
Rewrites text using Standard, Fluency and additional Premium modes, with synonym controls, comparison and frozen terms.
Grammar and writing suggestions
Checks grammar, spelling, punctuation, fluency and tone across supported languages.
Summarizer and translator
Condenses source text and translates across 40-plus languages according to the current Premium comparison.
Citation and plagiarism tools
Formats citations and scans Premium text for matching or similar source material, with a 25,000-word monthly allowance.
AI detector and humanizer
Estimates whether text may be AI-generated and rewrites for more natural phrasing; neither function proves authorship.
AI Chat and creation tools
Supports brainstorming, assisted writing and image generation within the broader suite.
Cross-app access
Offers browser, desktop, mobile and Microsoft Word integrations so suggestions can appear closer to the writing workflow.
Process
How the QuillBot workflow works
Step 1
Start with your source and purpose
Draft the argument or message yourself and record every external source before using a rewrite tool.
Step 2
Revise one section at a time
Choose a mode, protect technical terms and compare the output sentence by sentence against the original meaning.
Step 3
Verify language and claims
Reject fabricated details, changed qualifications, broken quotations and edits that flatten the author's voice.
Step 4
Check attribution separately
Use citation and similarity tools as aids, then open each source and confirm author, title, date, quotation, locator and required style.
Step 5
Apply policy and human review
Follow school, employer, publisher and client rules for AI assistance, disclosure, privacy and final approval.
Cost
QuillBot pricing and free plan
QuillBot offers a limited Free plan, an individual Premium subscription and team purchasing. The current public U.S. page prominently lists Premium at $8.33 per month when billed annually; taxes, promotions, local pricing and other billing periods can differ.
Free
$0
For limited rewriting and basic use of the broader toolset.
- Paraphrase up to 125 words
- Standard and Fluency modes
- Summarize up to 1,200 words
- 20 AI chats
- Humanizer up to 125 words six times daily
- 10 MB document storage
Premium
$8.33/month billed annually
Removes core paraphrasing limits and expands writing, originality and creation features.
- Unlimited paraphrasing
- 9 built-in modes plus custom modes
- 25,000 plagiarism-check words per month
- 6,000-word summarizer inputs
- Unlimited AI chats and Humanizer use
- 300 AI images per month
- 100 MB document storage
Team
Volume pricing
Premium features with centralized administration and billing.
- Team usage metrics
- User-management dashboard
- Centralized billing
- Data controls
- Priority support
- QuillBot says volume discounts begin at 5 members
Pricing checked . Check current pricing at the source ↗
Assessment
QuillBot strengths and limitations
Where it stands out
- Combines several common writing utilities in one subscription.
- Paraphrase modes and comparison controls make revisions more inspectable than a one-click rewrite.
- The free tier is sufficient to test the core paraphraser and basic grammar workflow.
- Extensions and apps can reduce copy-and-paste between writing surfaces.
- Premium includes meaningful plagiarism, summarization and creation allowances.
- QuillBot publishes direct guidance against plagiarism and acknowledges AI-detector false positives.
What to consider
- Paraphrasing can change technical meaning, evidence strength, voice or factual accuracy.
- Rewording another person's ideas does not remove the requirement to cite them.
- The plagiarism checker cannot prove originality or guarantee coverage of every source.
- The AI detector can produce false positives and should never be sole evidence for discipline, grading, employment or publication decisions.
- The citation generator formats metadata but cannot determine whether a source is credible, correctly interpreted or actually supports a claim.
- The current privacy documentation says individual-user inputs may be stored by default and used for training or personalization unless available controls are changed; Team-plan text inputs are excluded from training.
- The free plan's 125-word paraphrasing limit makes sustained document editing cumbersome.
- AI Humanizer features should not be used to conceal prohibited assistance or evade disclosure and integrity requirements.
Compare
QuillBot alternatives
The right alternative depends on the specific output, workflow, controls and budget your project requires.
Students
Jenni AI
A writing assistant more explicitly centered on academic drafting, source workflows and long-form composition.
Explore Jenni AI →Content Creator
Proser
A lighter custom-GPT writing coach for process, prompts and momentum rather than a full rewriting and originality suite.
Explore Proser →Questions
QuillBot FAQs
What is QuillBot used for?
QuillBot helps rewrite, correct, summarize, translate and draft text. It also offers citation, plagiarism, AI-detection, humanization and image tools.
Is QuillBot free?
Yes. The current Free plan includes 125-word paraphraser inputs, two modes, basic grammar help and limited summarizer, AI chat and Humanizer use.
How much is QuillBot Premium?
As checked August 31, 2026, the U.S. Premium page lists $8.33 per month when billed annually. Local prices, taxes, promotions and other billing periods may differ.
Is using QuillBot plagiarism?
Using it to revise your own work is not inherently plagiarism. Paraphrasing another source still requires proper citation, and users must follow the applicable academic or professional policy.
Can QuillBot avoid Turnitin?
QuillBot says it is not designed to bypass plagiarism systems and guarantees no detection outcome. Trying to disguise someone else's work remains misconduct.
Is QuillBot's AI Detector accurate?
It is an estimate, not proof. QuillBot explicitly acknowledges false positives, so a result should trigger contextual review rather than punishment.
Does QuillBot store or train on my text?
Its current trust-center language says inputs may be stored by default and used for improvement and personalization, with opt-out controls available in supported extension/account settings. It says Team-plan text inputs are not used for training.
Can QuillBot create accurate citations?
It can format citations, but users must open the original source and verify every bibliographic field, locator and claim-to-source relationship.
Is QuillBot good for teams?
The Team option adds user management, usage metrics, centralized billing, data controls and priority support. QuillBot states that volume discounts begin with five members.
Bottom line
Our QuillBot verdict
QuillBot is a broad, competitively priced editing suite whose paraphrasing controls and cross-app reach can save real time. Its outputs and originality signals are aids rather than authority: meaning, attribution, privacy, authorship and consequential AI-detection decisions still require careful human control.
Visit QuillBot website ↗
AI training for the future of work.
Get access to all our AI courses, hundreds of real-world AI use cases, live expert-led workshops, an exclusive network of AI early adopters, and more.
AI Courses
Get unlimited access to all of our current & upcoming industry-specific AI courses for the duration of your subscription.
Daily Guides
To keep up with the rapid pace of AI, our team publishes AI implementation guides daily. Our library contains 300+ practical use cases to automate real-world work.
Workshops
Join weekly, live, interactive sessions with industry leaders who are at the forefront of AI for hands-on implementation guidance and exclusive insights.
Community
Network with an exclusive community of AI-first professionals who are working smarter with AI. Learn how early adopters are using AI in their work and businesses.