Web PKI

Name: Web PKI
Rating: 2.99 (390 reviews)
Author: Lacuna Software

Extension to use digital certificates within webpages

As of June 2026, Web PKI has 4,000,000 users and a 2.99/5 rating from 390 reviews in the Workflow & Planning category.

Lacuna Software Workflow & Planning

Chrome Web Store ↗.crx

Users+33.3%

4.0M

4,000,000

Rating−0.7%

2.99

390 reviews

Reviews+6.6%

390

Version

2.17.5

Manifest V3

90-day change · In the last 90 days this extension gained 1.0M users, 1 version update.

History

7 snapshots

Tracking since Apr 24, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 24, 2026	3.0M	3.01	366	2.17.0
May 19, 2026	3.0M	3.01	374	2.17.0
May 21, 2026	4.0M	3.01	382	2.17.5
May 30, 2026	4.0M	2.99	384	2.17.5
Jun 5, 2026	4.0M	3.01	386	2.17.5
Jun 7, 2026	4.0M	3.00	387	2.17.5
Jun 13, 2026	4.0M	3.00	388	2.17.5
Now	4.0M	2.99	390	2.17.5

Permissions & access

Permissions: nativeMessagingstoragedownloadstabs
Host access: None declared

Screenshots

About

WebPKI is web based component that supports documents digital signing, signature verification and document encryption. 
This product is developed to enable browser signing of documents with user’s digital certificates and it is supported by web browsers, without the need of Java.  

WebPKI offers the following advantages:
  
 -Simple digital signing of documents from a web browser with user’s digital certificates,
  which provides proof of the signer’s identity and document integrity
   -Enables document signing using criptographic devices.
   -Enables detection and verification of existing digital signatures on PDF files
   -Easy integration of signing component into existing web applications
   -Easy configuration of the component to set up trusted issuers, or list of approved signers, or uniquely allowed certificate.