Browser utility · No text upload
Pattern analysis, not proof of authorship
Transparent heuristic · Runs in your browser

AI content
pattern detector.

Paste writing or open a supported text-based file. A sample of at least 150 words produces a more meaningful result. Your text is processed by this page in your browser and is not uploaded by the detector. List-heavy formatting is one low-weight structural signal; bullets alone cannot establish authorship.

Check your content

Supported files: TXT, Markdown, HTML, CSV, JSON and XML, up to 5 MB.

Drop a supported text file here, or .

Files are read by your browser. The detector does not upload or store the text.