Text
Document

PDF

PPT

Word

TXT

Upload or drag a file here.

PDF, PPT, Word, TXT: max 40MB

Upload a File

Supawork AI Certification

AI PDF Checker to Analyze PDFs

Upload a PDF, and the AI PDF Checker will scan the text for AI generation.

AI detection results are for reference only. Please use discretion.

Free AI PDF Checker

Is it AI or human? Free AI PDF checker detects GPT-4, Claude & Gemini (99% accuracy). Upload for instant verification. Play it safe!

join over 50000+ creators

What Is Free AI PDF Checker?

Free AI PDF Checker lets you scan PDFs and text in seconds to see whether content looks AI-generated, human-written, or mixed. Use it for everyday document review across work, study, and publishing workflows—free and easy.

How to Use Free AI PDF Checker (Step-by-Step)

Submit your document

Upload a PDF, then double-check you selected the right content.

Process content

Start the check and wait a moment while the tool analyzes writing patterns in the document.

Check highlights

Open the report to see the overall score and the exact sentences that were flagged, so you can revise more easily.

Why Choose Our Free AI PDF Checker?

For busy content workflows, quick pre-publish checks matter. Free AI PDF Checker helps you scan PDFs or text, view clear highlights, and improve consistency before sharing.

Sentence Highlights

Flags AI-written lines so you can revise them first.

Instant Online Use

Run checks in your browser, no install needed.

Downloadable PDF Reports

Export a PDF for each scan to save or share as an ai checker for pdf.

Multi-Language Support

Detect AI content in English, Spanish, French, and German.

Made for PDFs

An AI Document checker for real workflows: upload a PDF or paste text before publishing.

One Free AI Pdf Checker for Everything

For Content

Make sure your posts are real. Our AI text checker helps keep your writing authentic.

For Edition

Check your documents before printing. Scan files to find any AI-generated text.

For Gov

Scan government documents with the AI Content checker before releasing them to the public.

For Business

Keep your work original. Use the AI file checker to verify reports before sending to clients.

4.9

★★★★★

Chrome Store

80,000,000+

Users

12,000+

Schools & Teams

Trusted by 12 million users worldwide.