Is the PDF authenticity checker free to use?

Yes, our PDF verification service is completely free for basic use. You can upload PDF files up to 10 MB, receive instant PDF modification detection analysis, and access detailed results including risk scores, metadata information, and modification status—all without registration or payment.

The free PDF authenticity checker includes full access to our multi-layer analysis system, comprehensive results pages, and shareable result links.

For developers and businesses needing programmatic access, bulk processing, or higher rate limits, API access is available upon request. The free service is designed to help individuals and small organizations verify PDF document integrity without cost barriers. Whether you’re checking a contract, verifying a certificate, or investigating document tampering, our free PDF authenticity verification provides professional-grade analysis at no charge.