A document signing certificate provides cryptographic proof that a document was signed by a specific entity and has not been altered since signing. SSL.com’s certificates deliver authentication, integrity, and non-repudiation for electronic documents.
Learn more about document signing certificates
Certificate Options
Choose the right validation level for your needs:
- Individual Validation (IV): For professionals needing personal identity validation.
- Organization Validation (OV): For teams or companies needing organizational signatures.
- Individual + Organization Validation (IV+OV): For the highest level of trust, combining both identities.
Compare certificate options and features
Common Use Cases
Match your workflow to the right solution:
- Individual signing ? Use eSigner Web App or Acrobat + eSigner CKA.
- Business automation ? Use DocSign Gateway or Watch Folder solutions.
- Developer integration ? Use Document Signing API or Hash Signing API.
Document Signing Solutions Comparison
Not sure which signing method fits your workflow? Use the table below to compare options by use case, privacy, and technical lift.
| Solution | Best For | Where the Document Goes | Integration Level | Automation | User Setup Required | Learn More |
|---|---|---|---|---|---|---|
| eSigner Web Application | Occasional/manual signing | Temporarily to SSL.com | None | No | Minimal | Guide |
| Document Signing API | Custom apps, SaaS | Temporarily to SSL.com | Moderate | Yes | Developer/API | Guide |
| DocSign Tool | Privacy, local-only signing | Stays on your premises | Moderate | Yes | CLI/Developer | Guide |
| DocSign Gateway | Enterprise, multi-app | Stays on your premises | Higher | Yes | IT/Developer | Guide |
| Watch Folder Document Signing | Batch/automated workflows | Stays on your premises | Moderate | Yes | Admin/IT | Guide |
| Hash Signing API | Advanced developer use | Stays on your premises | High | Yes | Developer/API | Guide |
| eSigner CKA for Acrobat | Adobe Acrobat integration | Stays on your premises | Low | No | Windows/Acrobat | Guide |
Adobe Acrobat Integration
Want to sign PDFs directly in Adobe Acrobat?
eSigner CKA lets you use your SSL.com certificate for digital signatures in Acrobat, with a straightforward workflow.
Step-by-step instructions for Acrobat + eSigner CKA
Technical Specifications
Understand what files you can sign and how SSL.com ensures long-term trust.
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Long-Term Validation: SSL.com supports PAdES LTV (PDF Advanced Electronic Signatures with Long Term Validation).
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Supported File Types: PDF, DOCX, PPTX, XLSX (View all supported file types)
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Maximum File Sizes:
- eSigner Express: 100 MB
- eSigner API: 20 MB
Getting Started
New to SSL.com? Here’s how to get up and running.
- How to create an SSL.com account
- Certificate validation requirements
- How to enroll your certificate in eSigner
Troubleshooting access or setup?
If you need to view or reset your eSigner QR code or PIN (for example, if you’re setting up two-factor authentication or have lost access), follow these recovery instructions.
Pricing and Subscriptions
Flexible pricing for every use case, with a 30-day free trial. See eSigner pricing details
Need Help or Custom Solutions?
Questions or unique needs? Our team is ready to help. Contact SSL.com Sales