✦ MULTILINGUAL ✦

AI Content
Detector

🤖 Instantly detect AI-written text ✍️ Humanize it with our experts

Your data stays yours Zero data retention. Every session is encrypted and never used to train AI models — complete privacy by design.

Catches AI before it costs you Industry-leading AI detection with unmatched accuracy — spot generated content instantly, every time.

Results in seconds, not hours Paste any text and get a full AI analysis instantly — no waiting, no friction, no guesswork.

Where authenticity matters

Who relies on AI detection — and why

An AI detector analyzes text patterns to determine whether content was written by a human or generated by tools like ChatGPT, Gemini, or Claude. It helps educators, publishers, and professionals verify the authenticity of any written work — in seconds.

Essays & theses

Help universities and schools verify that student submissions reflect genuine academic effort.

Get started →

Scientific papers

Ensure research integrity by detecting AI-generated sections in academic and scientific publications.

Get started →

CVs & cover letters

Recruiters can confirm that applications represent the candidate's own voice and experience.

Get started →

SEO & blog content

Protect your site's rankings by publishing only authentic, human-written articles that search engines trust.

Get started →

Books & publishing

Publishers and editors can verify manuscript authenticity before committing to print or distribution.

Get started →

Journalism & media

Newsrooms and content teams can uphold editorial standards by flagging AI-assisted drafts before publishing.

Get started →

✦ Why Plag stands out ✦

Built on real plagiarism expertise, adapted for the age of AI

Plag AI Detector is more than a basic AI checker. It combines more than a decade of originality-checking experience with multilingual detection, document uploads, downloadable PDF reports, privacy-aware design, and constantly updated algorithms that keep pace with modern AI writing tools.

10+ years of experience

Created by a team with long-standing expertise in plagiarism detection and academic integrity tools.

50+ languages supported

A truly multilingual detector built for global students, educators, and institutions.

Paste text or upload documents

Check short text instantly or upload larger files such as essays and bachelor theses.

Shareable PDF reports

Download a professional report you can print, review, or share with others.

Updated with evolving AI

Our detection methods are continuously refined as AI writing tools keep changing.

Students, educators, privacy

Separate account types, EU-born privacy mindset, and expert humanization support when needed.