In April 2026, there are 240 AI Detection tools listed. JanitorAI ranks #1 with 91.2M monthly visits. Stealthwriter is the fastest growing tool with 32.3% growth.
In April 2026, there are 240 AI Detection tools listed. JanitorAI ranks #1 with 91.2M monthly visits. Stealthwriter is the fastest growing tool with 32.3% growth.
Rank | Tool | Monthly Visits | Growth | Growth Rate | Category | Description | |
|---|---|---|---|---|---|---|---|
🥇 | JanitorAI janitorai.com | 91.2M | +7.4M | 8.8% | AI Detector | JanitorAI’s security check ensures safe, bot-free access without slowing you down. A must for protected browsing! | |
🥈 |  Grammarly grammarly.com | 63.6M | +7.9M | 14.2% | 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. | |
🥉 |  Google Cloud Vision AI cloud.google.com | 52.9M | +5.7M | 12.0% | AI Image Recognition | Vision AI by Google Cloud helps you extract insights from images and videos, making it easier to automate visual tasks and analyze data. | |
4 |  Quillbot quillbot.com | 49.6M | +6.1M | 14.0% | 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. | |
5 |  Zero GPT zerogpt.com | 29.1M | +5.8M | 24.7% | 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. | |
6 |  GPTZero gptzero.me | 18.5M | +2.4M | 14.8% | AI Detection | GPTZero is the most reliable AI detection tool for identifying AI-generated text, trusted by educators, writers, and professionals worldwide. | |
7 |  Truecaller truecaller.com | 18.1M | +455.5K | 2.6% | AI Speech Recognition | Truecaller 是一款智能来电显示和垃圾电话屏蔽应用，帮助您识别未知来电、屏蔽骚扰电话和防范欺诈信息，让您的通讯更安全。 | |
8 |  Turnitin turnitin.com | 16.7M | +3.2M | 23.4% | AI Plagiarism Checker | Turnitin ensures academic integrity by detecting plagiarism and AI writing, helping students and educators maintain originality. | |
9 |  Scribbr scribbr.com | 9.9M | +1.5M | 18.7% | 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. | |
10 |  Course Hero coursehero.com | 7.1M | +175.3K | 2.5% | AI Detection | A lightweight tool to block bots while guiding real users past access hiccups. Fixes take seconds! | |
11 |  Undetectable AI undetectable.ai | 4.6M | +651.2K | 16.6% | AI Text Humanizer | Undetectable AI is a free, powerful tool that detects and humanizes AI-generated text, making it undetectable by major AI checkers. Perfect for students, writers, and professionals. | |
12 |  hCaptcha hcaptcha.com | 4.4M | +638.6K | 17.1% | AI Detection | hCaptcha is a privacy-focused security platform that effectively stops bots and fraud, making it a reliable choice for businesses. | |
13 |  Stealthwriter stealthwriter.ai | 4.2M | +1.0M | 32.3% | AI Text Humanizer | StealthWriter transforms AI-generated content into human-like, undetectable text, ensuring originality and quality while bypassing AI detectors. | |
14 |  AI Humanize aihumanize.io | 3.7M | +494.6K | 15.2% | AI Text Humanizer | AI Humanize turns AI text into undetectable, human-like writing—perfect for students, writers, and professionals. | |
15 |  PimEyes pimeyes.com | 3.7M | +95.5K | 2.7% | AI Face Recognition | PimEyes is a powerful tool for face recognition and reverse image search, helping you protect your privacy and monitor your online presence. | |
16 |  Copyleaks copyleaks.com | 3.6M | +587.2K | 19.7% | 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. | |
17 |  Originality.AI originality.ai | 2.7M | +503.1K | 23.3% | 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. | |
18 |  CrowdStrike crowdstrike.com | 2.5M | +332.4K | 15.1% | AI Detection | CrowdStrike’s AI-native cybersecurity platform offers real-time protection for endpoints, cloud, and identities, helping businesses stop breaches before they happen. | |
19 |  Aura aura.com | 2.5M | -123.7K | -4.8% | AI Parenting | Aura bundles credit monitoring, VPN, antivirus, and family safety tools into one app—with AI-powered alerts and a $1M insurance safety net. | |
20 |  Decopy AI decopy.ai | 2.4M | +134.0K | 5.9% | AI Detector | Decopy AI = Your shortcut to clear, original, and human-like writing. Detect AI, fix grammar, summarize docs, and more—all in one place. |
Tools are assigned to categories based on their primary functionality and use case. Many tools appear in multiple categories if they serve multiple purposes.
Some AI domains are more developed and have more available tools. Popular categories like content generation or image creation naturally have more tools than newer or more specialized categories.
Browse the relevant category and sort by visits or growth to see the most popular or fastest-growing tools. You can also read the descriptions and visit the tools' websites to evaluate their features.
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