By: DeepStamp
Download Deepstamp - Document Certification (current and past versions) for Firefox
Latest Version:
1.0.0 Updated:
6 months ago
Ready to install?
Deepstamp - Document Certification is available to install from Firefox Add-ons Store and for download from this page.
Available versions
You can find the current and older versions of Deepstamp - Document Certification here. You can download the archived versions or inspect their source codes.
As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 1.0.0 | XPI · ZIP · Source code | 28.47KB | 0 | 2026-01-18 |
1.0.0 28.47KB
Install XPI file
An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
- Simply drag-and-drop the XPI into Firefox to install the add-on.
Install ZIP file
- Download the Deepstamp - Document Certification ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the Deepstamp - Document Certification ZIP file from step 1. Deepstamp - Document Certification is now installed on your browser.
Best Deepstamp - Document Certification Alternatives
Here are some Firefox add-ons that are similar to Deepstamp - Document Certification:
StampThat
Nicolas Micaux
DeepVault
DeepVault
Asseco Signing Extension
Asseco-SEE Skopje
PDFtrust - PDF 數位簽章驗證工具
DarrenLu
Signer.Digital Digital Signature, PKI
Chartered Information Systems Pvt. Ltd.
SignSecure : PDF Signing
Prashant Shrestha
Document Sending
Boss Insights
FEPWeb CMS Digital Signature Extension
FEPWeb
Sign`A´Byte
Inventec Info Solutions
Document Scanning
seo master sarang
TrustDS WebSigner
Paulo Henrique Alves