Signal pendingNo paid features detectedHigh-risk permissions

InfoNotary Browser Signer

This extensions allows InfoNotary e-Doc Signer to be used for digital signing from web sites.

Users1KCurrent public install base

Rating--Store average score

Reviews0Public review volume

Manifest versionV3Extension platform version

7-day growth--Net users gained this week

7-day growth rate--Relative weekly velocity

Preview

InfoNotary Browser Signer Media preview

2 assets

Trend

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User Growth Over Time

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Technical snapshot

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Version1.0.9

ManifestV3

Size28.72KiB

Languages2English / български

Published--

Store updated--

Last crawled--

Overview

Product summary

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This extension allows web sites to use Infonotary e-Doc Signer to generate digitally signatures. Desktop app supports certificates installed on smart cards or in Windows certificate store.

Reviews

Recent review snapshot

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Reviews with text0Synced review bodies

Total reviews0Chrome Web Store public rating/review count

5★

4★

3★

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1★

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AI product read

Digital document signing via native desktop application

Enables web applications to perform cryptographic digital signatures on documents using certificates stored on the user's local machine (smart cards or Windows certificate store) without requiring complex plugin setups.

1. Web page loads extension's content script and injected page.js. 2. Web page creates an InfoNotarySigner instance. 3. User calls sign() or signText(). 4. Content script sends request to background service worker. 5. Background worker connects to native host (com.infonotary.clientsw.edocsigner). 6. Native host uses local certificates to sign the data. 7. Result is passed back through the chain to the web page.

Target users: Web application developers integrating digital signatures / Users needing to sign documents legally/securely from browsers

The extension is a thin bridge to a desktop app; full functionality depends on the installed desktop software. Analysis is limited to the browser extension code and does not cover the desktop app's internal logic or licensing model.

Monetization

No paid features detected

The extension code contains a `licenseKey` parameter in its API, which suggests the underlying desktop service or website may use licensing. However, the extension itself does not implement any payment logic, subscription management, or paid feature gating. It simply passes the license key to the native host. There is no evidence of the extension itself being a paid product or gating features behind a paywall.

Confidence: 90
Payment platform: --
Source: AI / High
Login required: No
Reason: The extension does not implement any login flow, account creation, or credential management. It relies on a local desktop application (InfoNotary e-Doc Signer) and OS-level certificates (smart cards or Windows store) for authentication. The web sites using the signer may require their own login, but the extension itself does not.

Permission risk

High-risk permissions

This estimate uses declared permissions and host permissions to assess access scope and sensitivity.

敏感权限：nativeMessaging

Publisher

INFONOTARY PLC

InfoNotary PLC

Email: [email protected]
Phone: +359889220075
Address: Ivan Vazov 16 Sofia 1000 BG

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Permissions

Host access