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Preview of Deepstamp - Document Certification

Deepstamp - Document Certification by DeepStamp

Certify and verify documents with one click. Right-click any file to certify with Deepstamp.

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Extension Metadata

About this extension
Deepstamp allows you to certify and verify the authenticity of your digital documents directly from your browser.

Features

• One-click certification : Right-click any file to certify it instantly
• Instant verification : Verify the authenticity of your documents in seconds
• Secure storage : Your API key is stored locally in the browser
• Intuitive interface : Simple and easy-to-use popup
• All file types : PDF, images, Office documents, etc.

Usage
  1. Configure your Deepstamp API key in the extension settings
  2. Right-click any downloaded file
  3. Choose "Certify with Deepstamp" or "Verify with Deepstamp"
  4. The certificate is generated instantly with cryptographic proof

Security

Certification uses ED25519 cryptography to guarantee the integrity and traceability of your documents. Certificates are publicly verifiable on deepstamp.fr without requiring an account.

Support

For any questions or assistance, visit https://deepstamp.fr
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Permissions and data

Required permissions:

  • Download files and read and modify the browser’s download history
  • Access your data for all websites

Optional permissions:

  • Access your data for sites in the deepstamp.fr domain
  • Access your data for deepstamp.fr

Data collection:

  • The developer says this extension doesn't require data collection.
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More information
Add-on Links
  • Support site
  • Support Email
Version
1.0.0
Size
28.47 KB
Last updated
4 days ago (Jan 15, 2026)
Related Categories
  • Download Management
  • Privacy & Security
  • Social & Communication
License
Mozilla Public License 2.0
Privacy Policy
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Version History
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