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Preview of IronVault — Secure Autofill

IronVault — Secure Autofill by Saket

Zero-knowledge autofill for passwords, TOTP, cards & identities. AES-256 encrypted — your master password never leaves your device.

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Your whole vault, one click awayAutofill logins on any websiteNever lose a new passwordPasswords, 2FA, cards and identitiesZero-knowledge by design
About this extension
IronVault Secure Autofill is the Firefox companion to your IronVault vault. It shows a discreet entry point only when you focus a supported sign-in or form field, lets you choose matching credentials, and offers to save a new login or update a changed password after submission. It also fills one-time codes, cards, and identities, and captures selected text as a Quick Note when you explicitly request it.

Vault data is encrypted on your device with AES-256-GCM using a key derived locally from your master password. Your master password, derived keys, and vault plaintext never leave your device. Encrypted vault blobs can sync across your IronVault devices, but IronVault cannot read their contents.

The extension contains no advertising trackers, product analytics, or remote executable code. Page analysis and matching happen locally. An IronVault account and an eligible paid plan are required for browser autofill. Firefox Android is not supported in this release.
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Permissions and data

Required permissions:

  • Input data to the clipboard
  • Download files and read and modify the browser’s download history
  • Display notifications to you
  • Access browser tabs
  • Access your data for all websites

Optional permissions:

  • Access your data for www.ironvault.app
  • Access your data for ironvault.app

Required data collection, according to the developer:

  • Authentication information
  • Browsing activity
  • Financial and payment information
  • Personally identifying information
  • Website content

Optional data collection, according to the developer:

  • Technical and interaction data
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More information
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Version
4.10.1
Size
148.96 KB
Last updated
8 days ago (Aug 9, 2026)
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  • Privacy & Security
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