CHECK PDF WAS EDITED ONLINE

Deep integrity verification & editing fingerprint detection

100% privacy, No Server Upload
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Analysis Verdict
Risk Level
0
Anomaly Score
Document Metadata
Forensic Anomalies
Verify if the PDF has been edited

PDF Fingerprint Detection

Advanced structural analysis to determine if a document is authentic. Check that your PDF was edited or not instantly with our forensic engine.

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100% Client-Side

Your PDF never touches a server. All forensic scanning happens entirely within your browser for ultimate privacy.

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Editing Traces

Detects hidden software metadata and incremental updates that reveal exactly how a file was manipulated or if it is an authentic version.

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Instant Results

Process multi-page documents in milliseconds. Fast verification to check if a PDF was edited or modified by third-party tools.

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Trust Score

Get a clear "Authentic" or "Modified" status backed by a detailed breakdown of internal PDF objects and structural integrity.

How to check PDF authenticity?

When you need to know if a document is original, our tool looks for digital signatures left by editing software. It helps you verify if someone edited a PDF before sending it to you.

Frequently Asked Questions

Can I detect if a PDF was tampered with?

Yes. By analyzing the internal file structure, our tool identifies any changes made after the file was initially created.

Is this PDF checker free to use?

Our tool provides free forensic analysis to verify if your document is an authentic or modified version.