VaultMate Passkey Combo by WebTech
Companion extension for VaultMate GUI to intercept Passkey requests.
Extension Metadata
About this extension
VaultMate is a software passkey authenticator and password manager that runs entirely on your local machine — no cloud, no hardware required.
What this extension does:
🔐 Password Autofill — Detects login forms and fills your username and password automatically using credentials stored in your local encrypted vault.
🛡️ Passkey / WebAuthn Interception — Intercepts
🔒 100% Offline — No data ever leaves your machine. The extension communicates exclusively with the VaultMate desktop app on your own computer via Native Messaging (stdio). No servers, no telemetry, no accounts.
Requirements: The VaultMate desktop application must be installed and running. Download it free from GitHub (link in support website).
Supported platforms: Windows, macOS, Linux (including Flatpak sandboxes).
What this extension does:
🔐 Password Autofill — Detects login forms and fills your username and password automatically using credentials stored in your local encrypted vault.
🛡️ Passkey / WebAuthn Interception — Intercepts
navigator.credentials.create and navigator.credentials.get calls, delegating cryptographic signing to the VaultMate desktop app. Sites that require passkeys (GitHub, Google, etc.) receive a valid WebAuthn response without needing a YubiKey, fingerprint reader, or Windows Hello.🔒 100% Offline — No data ever leaves your machine. The extension communicates exclusively with the VaultMate desktop app on your own computer via Native Messaging (stdio). No servers, no telemetry, no accounts.
Requirements: The VaultMate desktop application must be installed and running. Download it free from GitHub (link in support website).
Supported platforms: Windows, macOS, Linux (including Flatpak sandboxes).
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Permissions and data
Required permissions:
- Exchange messages with programs other than Firefox
- Access your data for all websites
Optional permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.1
- Size
- 140.73 KB
- Last updated
- 19 days ago (May 29, 2026)
- Related Categories
- License
- MIT License
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
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