In January 2026, there are 59 AI Plagiarism Checker tools listed. Grammarly ranks #1 with 54.5M monthly visits. Researcher.Life is the fastest growing tool with 18.7% growth.
In January 2026, there are 59 AI Plagiarism Checker tools listed. Grammarly ranks #1 with 54.5M monthly visits. Researcher.Life is the fastest growing tool with 18.7% growth.
Rank | Tool | Monthly Visits | Growth | Growth Rate | Category | Description | |
|---|---|---|---|---|---|---|---|
🥇 | Grammarly grammarly.com | 54.5M | -4.3M | -7.3% | AI Grammar Checker | Grammarly is a powerful AI writing assistant that helps you write better, faster, and more confidently. Whether for work, school, or personal projects, Grammarly ensures your writing is clear, professional, and mistake-free. | |
🥈 |  Quillbot quillbot.com | 47.0M | -12.8M | -21.4% | AI Writing Assistants | QuillBot is an AI-powered writing assistant that helps you write better, faster, and with confidence. Perfect for students, professionals, and content creators. | |
🥉 |  Zero GPT zerogpt.com | 23.5M | -5.8M | -19.7% | AI Content Detector | ZeroGPT is a versatile tool for detecting AI content, checking plagiarism, summarizing text, and more. It’s free, accurate, and easy to use. | |
4 |  GPTZero gptzero.me | 15.2M | -2.7M | -14.9% | AI Detection | GPTZero is the most reliable AI detection tool for identifying AI-generated text, trusted by educators, writers, and professionals worldwide. | |
5 |  Turnitin turnitin.com | 14.6M | -4.3M | -22.6% | AI Plagiarism Checker | Turnitin ensures academic integrity by detecting plagiarism and AI writing, helping students and educators maintain originality. | |
6 |  Scribbr scribbr.com | 9.2M | -3.1M | -25.4% | AI Plagiarism Checker | Scribbr is your all-in-one tool for academic success, offering proofreading, plagiarism checks, citation generation, and AI detection to help you submit flawless work. | |
7 |  Stealthwriter stealthwriter.ai | 3.4M | -865.6K | -20.4% | AI Text Humanizer | StealthWriter transforms AI-generated content into human-like, undetectable text, ensuring originality and quality while bypassing AI detectors. | |
8 |  Copyleaks copyleaks.com | 3.1M | -586.6K | -15.8% | AI Plagiarism Checker | Copyleaks is your go-to platform for plagiarism detection, AI content verification, and writing assistance, ensuring originality and compliance in every step. | |
9 |  Originality.AI originality.ai | 2.5M | -117.2K | -4.5% | AI Detection | Originality.ai is the ultimate tool for content creators, offering AI detection, plagiarism checking, and fact verification to ensure your work is original and trustworthy. | |
10 |  Prepostseo prepostseo.com | 1.4M | -308.4K | -17.7% | AI Plagiarism Checker | Prepostseo packs 150+ free tools for writing, SEO, and coding—ideal for quick fixes or deep analysis. No fluff, just results. | |
11 |  Paperpal paperpal.com | 1.3M | -76.2K | -5.6% | AI Writing Assistants | Paperpal is a powerful AI academic writing tool that helps you write, edit, and perfect your manuscripts with ease. From grammar checks to plagiarism detection, it’s your all-in-one solution for academic writing. | |
12 |  Smodin smodin.io | 1.2M | -552.1K | -32.2% | AI Writing Assistants | Smodin is the ultimate AI writing assistant for students, teachers, and professionals. It offers tools for AI detection, plagiarism checking, homework help, and more, making writing faster and easier. | |
13 |  Walter Writes AI walterwrites.ai | 1.2M | -204.1K | -15.0% | AI Text Humanizer | Walter Writes AI helps you create undetectable, human-like content fast. Perfect for students, writers, and professionals. | |
14 |  Winston gowinston.ai | 902.5K | -18.4K | -2.0% | AI Detector | Winston AI is the leading AI detection tool with unmatched accuracy, plagiarism checking, and multi-language support. It’s essential for maintaining content integrity in education, SEO, and writing. | |
15 |  Paraphraser.io paraphraser.io | 792.5K | -481.2K | -37.8% | AI Paraphraser | Paraphraser.io is a versatile, AI-driven tool that helps you rewrite text quickly and accurately, making it ideal for students, professionals, and writers. | |
16 |  BypassGPT bypassgpt.ai | 753.0K | -258.3K | -25.5% | AI Text Humanizer | BypassGPT turns AI text into human-like, undetectable content—fast, free, and foolproof. | |
17 |  Grubby AI grubby.ai | 679.2K | -290.2K | -29.9% | AI Text Humanizer | GrubbyAI is the ultimate AI detection remover, helping students and content creators humanize AI-generated text, bypass AI detectors, and pass plagiarism checks with ease. | |
18 |  Researcher.Life researcher.life | 577.0K | +90.9K | 18.7% | AI Research Tool | Researcher.Life combines AI tools + expert help to streamline research, writing, and publishing—trusted by 5M+ researchers worldwide. | |
19 |  AI Plagiarism Checker plagiarismcheck.org | 567.8K | -135.2K | -19.2% | AI Plagiarism Checker | TraceGPT is a reliable AI detector tool that ensures content authenticity, supporting academia, SEO, and recruitment with advanced AI detection and data security. | |
20 |  PlagiarismCheck.org plagiarismcheck.org | 567.8K | -135.2K | -19.2% | AI Plagiarism Checker | PlagiarismCheck.org is the ultimate tool for spotting copied or AI-generated text, trusted by schools and professionals worldwide. |
Tools are assigned to categories based on their primary functionality and use case. Many tools appear in multiple categories if they serve multiple purposes.
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