What it is
Overview
A paraphrasing tool that rewrites text across 10+ modes while preserving original meaning. Quillbot draws 34.3 million monthly visits, mostly from students, content writers, and copywriters who need to rephrase existing text rather than generate from scratch. The tool combines paraphrasing with grammar checking, plagiarism detection, and summarization in a single interface. Reviewers consistently praise the accuracy of meaning preservation across different writing modes and tone adjustments.
At a glance
Usability & Quality overview
Best for
- quick grammar cleanup
- light paraphrasing
- students and academic drafting help
Watch out for
- Do not expect fully reliable AI-detection or humanizer results.
- Watch for robotic phrasing on longer or more complex text.
- Premium usage limits may matter for heavy users.
Real product, not a wrapperIndependent product
QuillBot offers specialized paraphrasing modes and grammar tools that go beyond what you'd get from basic ChatGPT prompts, plus useful integrations with browsers and writing platforms. While the core paraphrasing could theoretically be done with careful prompting elsewhere, the specialized modes and workflow integration add meaningful value.
Moderate evidenceQuality score
Quillbot A versatile writing refiner for grammar cleanup and paraphrasing, but output can turn robotic at high settings.
This score is our editorial judgment, computed automatically from the sources, weights, and dates shown above. It reflects the data we could verify as of July 23, 2026, not a guarantee or statement of fact about Quillbot. Third-party ratings and quotes belong to their original platforms and authors. Thin data lowers our confidence label, and we say so instead of guessing. Work on Quillbot? Dispute any datapoint and we will review it, publish your response, and correct verified errors.
Plans
Pricing
How free is free?
Free with limits
125 words per paraphrase, 6 humanize uses/day; Premium $100/yr for unlimited
What you get for free
- Paraphrase up to 125 words at a time
- 2 paraphrasing modes available
- Basic grammar error fixes
- Humanize up to 125 words (6 uses per day)
- Basic summary generation
- Limited AI detector access
Behind the paywall
- Unlimited paraphrasingPremium
- Unlimited paraphrasing modesPremium
- Advanced grammar recommendationsPremium
- Unlimited humanize featurePremium
- Custom summariesPremium
- Unlimited AI detector accessPremium
- Plagiarism detectionPremium
Cost to actually use
Based on 10 classified review complaints about rate limits, credits, and billing.
Community feedback
Aggregated reviews
Ratings and quoted comments below are aggregated from third-party sources and reflect those users' views, not SearchTools.ai's.
What reviewers talk about
themes inside the Sentiment pillar — not score ingredients
45Output Quality96 mentions
“QuillBot is an impressive AI-powered writing assistant that makes the writing process faster, smoother, and more confident. Its greatest strength is how naturally it helps users refine their ideas without taking over their voice. Whether you are a student polishing an essay, a professional improving an email, or a writer trying to make a paragraph clearer, QuillBot offers practical tools that feel easy to use and genuinely helpful QuillBot’s paraphrasing tool is the highlight of the platform. It”
“one of my assignment this sem was flagged as ＞70% AIbut I typed it by my own,not AI workfeel frustrated frr as I checked on zerogpt,Quillbot and originaltyaiit only shows about 5% AIbut my teammates checked,it was about 70% or higher edit: now I was like the penghutang, the members keep on doing their "debt collection" to methe more I edit,the more it was likely AI 🤡🤡🤡”
“Time to write like an illiterate person so it doesn't get flagged as AI, no semicolon, no commas, no em dashes Bullshit technology that would never work properly”
“Been using Quillbot premium for like 3 semesters already, thinking I could paraphrase my papers and have no problems with Turnitin. My profs used to accept everything so the premium subscription was well worth the money I paid....ummm turns out that's over now. Submitted my 2250-word sociology essay last night. In all innocence ofc. Just woke up to a notification from my prof - 85% AI score on Turnitin!! This is the first time shit hits the fan for me this way and idk if I'm more scared or angry”
17Value & Pricing10 mentions
“Me ayudó a revisar de manera rápida los textos que generaba y evaluar la incidencia de IA cuando apoyaba mi redacción en conceptos generados por la IA. Es rápido y práctico la versión gratuita. ”
“I had a very disappointing experience with QuillBot. My subscription was renewed automatically without any clear warning that I noticed, and there was no straightforward way to view, manage, or disable the auto-renewal before I was charged. The account settings made it difficult to understand or control the subscription. As soon as I noticed the charge, I contacted customer support and explained that I did not want the renewal. Instead of helping, I received a generic response saying they coul”
“I was automatically charged $49.95 USD for an annual renewal without any prior notice. I contacted QuillBot support immediately to cancel and request a refund, as I no longer use the service and haven't used it at all for this new billing period. Support (Nivas) acknowledged my request and canceled future renewals, but flat out refused to issue a refund for this completely unused year, hiding behind their Terms of Service policy. Charging a full annual fee upfront for a service that is complet”
“Been using Quillbot premium for like 3 semesters already, thinking I could paraphrase my papers and have no problems with Turnitin. My profs used to accept everything so the premium subscription was well worth the money I paid....ummm turns out that's over now. Submitted my 2250-word sociology essay last night. In all innocence ofc. Just woke up to a notification from my prof - 85% AI score on Turnitin!! This is the first time shit hits the fan for me this way and idk if I'm more scared or angry”
24Reliabilitythin data · 5 mentions
“Every time I try this it says 'An error occurred. Please try again.Error: No endpoints found for tngtech/deepseek-r1t-chimera:free. '”
“It does not work with scrivener 🙁. It’s a pain to cut and paste. It does not highlight stuff in Word. At least not in the free version. And this makes it a total pain to use.”
“faster and effective”
“MUITO RAPIDO COM ALGUMAS CONFUÇÕES MAS DENTRO DE ESPERADO”
47Ease of Use19 mentions
“Really helpful tool for both my academics and office use. Great innovative solution for modern problems.”
“It does not work with scrivener 🙁. It’s a pain to cut and paste. It does not highlight stuff in Word. At least not in the free version. And this makes it a total pain to use.”
“QuillBot is an impressive AI-powered writing assistant that makes the writing process faster, smoother, and more confident. Its greatest strength is how naturally it helps users refine their ideas without taking over their voice. Whether you are a student polishing an essay, a professional improving an email, or a writer trying to make a paragraph clearer, QuillBot offers practical tools that feel easy to use and genuinely helpful QuillBot’s paraphrasing tool is the highlight of the platform. It”
“I have found a better alternative for people using quillbot, that is faster and helps me not to lose focushttps://rephrazo-ai.app - found this gem recently, it works everywhere on my pc and i spend like 2 seconds to rephrase textyou are welcome!”
78Trust derived from dimensions + predator detectionview math
A composite of the quality dimensions weighted by mention volume, then capped by predator / abuse-detection rules.
Reasoning
Watch & learn
Video content
YouTube
YOUTUBE539 viewsAI Humanizers Don't Bypass AI Detection - Here's Why
qualitativeresearcher24 days ago
YOUTUBE45 viewsQuillBot: The Best AI Paraphrasing & Writing Tool
quasa1 month ago
YOUTUBE58 viewsDAY 8 | QuillBot Complete Tutorial for Beginners | Full Guide| 30 days AI tool Challenge
DurgaAnjaliSimmalapudi1 month ago
Capabilities
Key features
Writing Assistants
Helps you draft, edit, and polish written content across many formats
Paraphraser
Rewrites text in different words while keeping the original meaning intact
Grammar Checker
Detects and corrects grammar, spelling, and punctuation errors in your writing
Plagiarism Checker
Scans text against sources to detect copied passages and flag originality issues
The honest take
What users love & flag
Distinct themes surfaced across 29.8K reviews from 6 sources — each grounded in real review text, ranked by how often it comes up.
Questions
Frequently asked
What is Quillbot?
Quillbot is a comprehensive AI-powered writing assistant that helps transform and improve your writing through unlimited paraphrasing, advanced grammar checking, plagiarism detection, and AI content analysis. It consolidates multiple writing tools into one platform, allowing users to rewrite text, check for errors, verify originality, and ensure their content sounds natural and professional.
Is Quillbot free?
Quillbot offers both free and premium plans. The free version includes paraphrasing up to 125 words in 2 modes, basic grammar checking, limited AI humanization (6 uses per day), and basic summaries. The Premium plan costs $8.33 per month when billed annually and provides unlimited paraphrasing in all modes, advanced grammar recommendations, unlimited AI detection and humanization, and plagiarism checking.
How many paraphrasing modes does Quillbot offer?
Quillbot offers over 10 different paraphrasing modes including Academic, Simple, Fluency, and Standard modes. Premium users get access to all modes and can even create custom paraphrasing modes to match their specific writing styles. Free users are limited to just 2 modes.
What platforms is Quillbot available on?
Quillbot is available across multiple platforms including web browsers, mobile apps for iOS and Android, desktop applications for Windows and macOS, and browser extensions for Chrome, Edge, and Safari. It also offers a Microsoft Word add-in for seamless integration with document editing workflows.
Can Quillbot detect AI-generated content?
Yes, Quillbot includes an AI Detector that can identify AI-generated content, with unlimited detection capability for Premium users. It also features an AI Humanizer tool that transforms robotic or AI-generated text into natural-sounding writing, helping users make their content sound more authentic and human-like.
Does Quillbot check for plagiarism?
Yes, Quillbot's Plagiarism Checker analyzes text against sources in over 100 languages to identify potential citation issues and help prevent accidental plagiarism. This feature is included in the Premium plan and helps users verify the originality of their work.
What makes Quillbot different from other writing tools?
Quillbot distinguishes itself through its integrated ecosystem approach, consolidating paraphrasing, grammar checking, plagiarism detection, and AI analysis into one interface rather than requiring multiple separate tools. Its unlimited paraphrasing capability for Premium users and the ability to create custom writing modes set it apart from competitors with strict word limits.
Can Quillbot summarize long documents?
Yes, Quillbot includes a Summarizer tool that can condense long texts into shorter versions. Premium users can create custom summaries tailored to their specific needs, while free users have access to basic summary generation functionality.
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