Mask AI Detector
Mask AI Detector is a web-based tool that checks text for AI-generated content using six detection engines.
What Mask AI Detector is
Mask AI Detector is a web-based tool that checks text for AI-generated content using six detection engines. It highlights suspicious sentences and presents results at sentence level, with a maximum of 2,500 words per scan. Sample text buttons are available for ChatGPT, Claude, Gemini, and Grok. Mask AI also describes a broader writing toolkit that includes an AI humanizer, AI writer, plagiarism checks, and citation verification. The humanizer offers Light, Medium, and Aggressive rewrite levels and lets users compare rewritten text with the original. The site describes use cases such as editing AI-assisted reports, proposals, and blog posts, and reviewing work from freelancers and contributors. A Free plan is listed with 600 AI humanization words, 250 words per generation, and limited AI features; its billing detail says $131.88 / year after a 7 day trial. The Unlimited plan is $10.99 a month and includes unlimited humanizations, plagiarism removals, AI content detection, plagiarism checks, and content generations, subject to fair-use terms. The service has no browser extension. Its privacy policy says it collects account, device, and usage information, and that servers are in the United States.
Good
- Analyzes text with six detection engines
- Highlights suspicious sentences with sentence-level results
- Includes examples for four named AI models
- Broader toolkit includes rewriting and plagiarism checks
Watch out
- Each scan is limited to 2,500 words
- No browser extension
- Unlimited plan is subject to fair-use terms
- Free plan billing detail lists $131.88 / year after a 7 day trial
Who it suits
It may suit editors reviewing AI-assisted writing or work from freelancers and contributors. The sentence-level flags can help focus a review, but scans are limited to 2,500 words.
Verdict
Mask AI Detector combines multi-engine AI-content checks with sentence-level highlights and a broader writing toolkit. Review the scan limit and plan details, including the Free plan’s stated post-trial billing, before choosing it.
Plans and prices
From Mask AI Detector's own pricing page, checked 8 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Unlimited | $10.99 a month | Unlimited humanizations · unlimited plagiarism removals · unlimited AI content detection · unlimited plagiarism checks · unlimited content generations; subject to fair-use terms |
| Free | — | 600 AI Humanization words · 250 Words Per Generation · Limited AI Features · Billed as $131.88 / year after 7 day trial |
The facts
Each one read from Mask AI Detector's own pages, with the date it was checked.
What it does
- AI model examples
- The detector page offers sample text buttons for ChatGPT, Claude, Gemini, and Grok.checked 8 Oct 2026
- Data location
- The privacy policy says its servers are located in the United States and information may be transferred, stored, and processed there.checked 8 Oct 2026
- Detection engines
- The product page says its detector analyzes text with six detection engines.checked 8 Oct 2026
- Input limit
- The detector page shows a limit of 2,500 words for a scan.checked 8 Oct 2026
- Intended users
- The main site describes the product for editing AI-assisted reports, proposals, and blog posts, and for reviewing work from freelancers and contributors.checked 8 Oct 2026
- Payments
- The privacy policy says payment data is stored by Stripe, Inc.checked 8 Oct 2026
- Privacy data
- The privacy policy says the company collects account details such as names, email addresses, usernames, and passwords, as well as device and usage information.checked 8 Oct 2026
- Purpose
- Mask AI’s detector checks text for AI-generated content across six AI detection systems.checked 8 Oct 2026
- Rewrite options
- The humanizer offers Light, Medium, and Aggressive rewrite levels and lets users compare the rewrite with the original.checked 8 Oct 2026
- Security statement
- The privacy policy says the company aims to protect personal information through security measures.checked 8 Oct 2026
- Sentence results
- The detector provides sentence-level results and highlights suspicious sentences.checked 8 Oct 2026
- Support
- The privacy policy directs questions and support inquiries to [email protected].checked 8 Oct 2026
- Writing toolkit
- Mask AI’s main site describes an AI humanizer, AI detector, AI writer, plagiarism checks, and citation verification as writing tools.checked 8 Oct 2026
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