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Mask AI Detector
What it is
Mask AI Detector is a web tool that examines text for AI-generated content through six detection engines. It reports results at sentence level and highlights sentences it considers suspicious, with scans limited to 2,500 words. Sample buttons provide text from ChatGPT, Claude, Gemini, and Grok. Mask AI also describes a writing toolkit with an AI humanizer, AI writer, plagiarism checks, and citation verification. Humanizer settings are Light, Medium, and Aggressive, with a comparison view against the original. The product is presented for editing AI-assisted reports, proposals, and blog posts, and for reviewing work from freelancers and contributors. A Free plan lists 600 AI humanization words, 250 words per generation, and limited AI features; billing details say $131.88 / year after a 7 day trial. Unlimited costs $10.99 a month, subject to fair-use terms. The service is web-only and has no browser extension.
For and against
For
- Six detection engines analyze submitted text
- Sentence-level highlights identify suspicious passages
- Supports scans up to 2,500 words
- Humanizer offers three rewrite levels
- Free plan and 7-day trial listed
Against
- Web-only service
- Scans limited to 2,500 words
- Free plan has limited features
- Unlimited plan subject to fair-use terms
The verdict
Mask AI Detector combines multi-engine AI detection with sentence highlights and related writing tools. Its word limit, web-only access, and differing free-plan billing details are important when choosing a plan.
Who it suits
It suits writers, editors, and teams reviewing AI-assisted documents or contributor work. Readers needing sentence-level flags, rewriting, or plagiarism tools can use its broader toolkit.
Plans and prices
Unlimited
Unlimited humanizations · unlimited plagiarism removals · unlimited AI content detection · unlimited plagiarism checks
Read 8 Oct 2026 · mask.ai
Free
600 AI Humanization words · 250 Words Per Generation · Limited AI Features
Read 8 Oct 2026 · mask.ai
On the record
- AI model examples
- The detector page offers sample text buttons for ChatGPT, Claude, Gemini, and Grok.mask.ai · read 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.mask.ai · read 8 Oct 2026
- Detection engines
- The product page says its detector analyzes text with six detection engines.mask.ai · read 8 Oct 2026
- Input limit
- The detector page shows a limit of 2,500 words for a scan.mask.ai · read 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.mask.ai · read 8 Oct 2026
- Payments
- The privacy policy says payment data is stored by Stripe, Inc.mask.ai · read 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.mask.ai · read 8 Oct 2026
- Purpose
- Mask AI’s detector checks text for AI-generated content across six AI detection systems.mask.ai · read 8 Oct 2026
- Rewrite options
- The humanizer offers Light, Medium, and Aggressive rewrite levels and lets users compare the rewrite with the original.mask.ai · read 8 Oct 2026
- Security statement
- The privacy policy says the company aims to protect personal information through security measures.mask.ai · read 8 Oct 2026
- Sentence results
- The detector provides sentence-level results and highlights suspicious sentences.mask.ai · read 8 Oct 2026
- Support
- The privacy policy directs questions and support inquiries to [email protected].mask.ai · read 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.mask.ai · read 8 Oct 2026
