Free Verification Tool
Document Authentication Verifier
Verify document signatures, check certificate status, and detect tampering. Get instant trust verification with comprehensive authentication reports.
Verify Document
Enter a document ID from your SpaceSign records
Your file is processed locally and never uploaded
We Verify
Digital signature validity
Certificate chain status
Tamper-evidence indicators
Regulatory compliance
Ready to Verify
Enter a document ID or upload a file to verify its authenticity. Check signature validity, certificate status, and tamper-evidence indicators instantly.
Trust Every Document
SpaceSign provides tamper-proof digital signatures, certificate management, and comprehensive audit trails for every document you send.