Validate Signature
Verify digital signatures in PDF documents. Check certificate validity, signer information, and document integrity.
Clear file handling
Built for real workflows
Progress and feedback
Useful options, not clutter
Upload Signed PDF
Drag and drop a signed PDF file here, or click to browse.
Smart workflow
Do more in the same workflow
Build from the job you started: batch compatible files, keep the right output format, then move straight into the next useful step without hunting through the site.
Input
Output
JSON
Batch
10 files per run
10 files per run. Use one run when the files share the same task.
Choose a related operation below instead of starting from scratch.
Results stay focused on download, preview and the next useful action.
No fixed file-size limit per configured tool limit.
Natural next steps
Continue with a related tool using the same file workflow.
Smart workflows
Finish the job, not just the file
Use the existing tool graph to continue into useful next steps. Bulk and output-packaging capabilities are surfaced automatically where the underlying tool supports them.
Continue with Digital Sign Pdf
Bulk-readyFinish the job after Validate Signature with a relevant MAXScanner tool, without creating a duplicate converter page.
- Validate Signature
- Digital Sign PdfWorkflow-ready
Best when Validate Signature is only the first step in your workflow.
ContinueContinue with Decrypt Pdf
Bulk-readyFinish the job after Validate Signature with a relevant MAXScanner tool, without creating a duplicate converter page.
- Validate Signature
- Decrypt PdfWorkflow-ready
Best when Validate Signature is only the first step in your workflow.
ContinueMake the next step easier
Use Validate Signature as part of a complete document workflow: process the file, review the result, then continue into the next useful step instead of returning to a generic tools catalogue.
Clear file-to-result workflow
Useful controls without unnecessary clutter
Mobile-friendly processing experience
Continue directly into related tools
A smoother workflow
- 1Add the file for Validate Signature
- 2Choose only the settings that matter for the destination
- 3Process and review the result
- 4Continue to the next useful tool when the job is not finished
A human tip
The useful version of Validate Signature
A conversion tool is most valuable when it removes the work around the conversion. People usually arrive with a destination in mind—an upload, a submission, an email, a report, a website or another editing step. The page should make that destination obvious, keep the interface focused, and offer a sensible next action when the first operation is only part of the job.
About This Tool
Validate Signature allows you to verify digital signatures in PDF documents. Check if signatures are valid, view certificate information, and confirm document integrity.
Upload a signed PDF to see all signatures, their validity status, signer information, and whether the document has been modified after signing.
All validation happens locally in your browser. Your documents are never uploaded to any server.
How to Use
Upload Signed PDF
Upload a PDF document that contains digital signatures.
View Results
See all signatures found in the document with their validity status.
Check Details
View certificate information, signer details, and signing timestamp.
Export Report
Optionally download a JSON report of the validation results.
Use Cases
Document Verification
Verify that signed documents are authentic and have not been tampered with.
Compliance Audit
Check signature validity for compliance and audit purposes.
Certificate Review
View certificate details and expiration dates for signed documents.
Frequently Asked Questions
What does "valid" mean?+
A valid signature means the document has not been modified since signing and the certificate chain is intact.
Can I validate multiple PDFs?+
Yes, you can upload multiple PDFs and validate all signatures in batch.
Why might a signature be invalid?+
Signatures may be invalid if the document was modified, the certificate expired, or the certificate is not trusted.