Best Signer.Digital Digital Signature, PKI Alternatives in 2026
Signer.Digital Digital Signature, PKI is a strong option, but it is not the right fit for everyone. Below are 0 alternatives compared on rating, install base, pricing and the use case each one actually wins on.
About Signer.Digital Digital Signature, PKI
This extension does not require Java Runtime (JRE) on Windows, Linux or Mac. Digital Signature Chrome Extension: Signer.Digital Chrome Extension by Chartered Information Systems Pvt. Ltd., India is chrome extension for Digitally Signing Returns, XML, Hash, Content, Document, PDF, Data Encryption/Decryption, etc from Browser using Certificate in Smart Cards, USB Tokens, PFX file on User's System, User's Local Certificate Store or Hardware Security Modules (HSM), Signer.Digital Signing Web APIs. Also has API for Certificate Enrollment/Download on Smartcard or USB Token directly form the modern browsers. API for list of connected Smartcard may be used to detect connected Smartcard or USB Token. JULY 2022 - Added support for ICP-Brazil and ITIDA Egypt. June 2026 - Breaking Changes in GenCSR and ImportCertificate methods. Please refer to documentation on web.signer.digital or stacks overflow. Windows Host application used by this extension may be Downloaded from: https://downloads.signer.digital/Signer.Digital.Browser.Extension.Setup.zip User has full control on Allowed Origins. Before every action (operation), Extension Host shows dialog and user can choose 'Deny', 'Allow Once', 'Always Allow' and 'Manage Origins'. To check working of this extension visit https://web.signer.digital Contact us for Linux and Mac Host application. Certifying authorities are requested to contact info@signer.digital to use the Signer.Digital Browser Extension for Certificate Enrollment (Generate CSR) and Download Certficate in Smartcard (ImportCertificate). Chartered Information Systems also provides secure Slots in HSM hosted in Multi Tenant mode, for digital signing. This extension is widely used for Digitally Signing PDF Documents from Browser, Web Authentication using Digital Certificate, Signing eReturns, AuthTokens, Data Encryption/Decryption using Smartcard or USB Token connected to user's browser. Works on Chrome and Chromium base Edge browsers. Sample Code, Walk-through, and Source code of Windows Integration project is available at https://help.signer.digital/digital_signing_and_authentication_from_web_browser.htm Signer.Digital.Weblib is free for single page signing from .NET web application
Comparison at a glance
| Extension | Rating | Users | Pricing | Best for |
|---|---|---|---|---|
| Signer.Digital Digital Signature, PKI (original) | 4.2 | 3M+ | Free |
Signer.Digital Digital Signature, PKI alternatives in detail
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Frequently asked questions
What is the best alternative to Signer.Digital Digital Signature, PKI?
Browse the Music & Audio category for comparable options.
Is there a free alternative to Signer.Digital Digital Signature, PKI?
Most options in this category are freemium, with a usable free tier for evaluation.
Why switch away from Signer.Digital Digital Signature, PKI?
Common reasons are pricing, missing sync or team features, and specific limitations: .