Browser Extension

Fill Passwords in Your Browser with Touch ID

PanicVault's browser extension brings AutoFill to Chromium browsers on Mac — powered by Touch ID and your local vault.

Chrome Chrome
Brave Brave
Edge Edge
Arc Arc
Chromium Chromium

Install Browser Helper

Download the macOS installer (.pkg) that configures the native messaging helper for all your browsers automatically.

Download Installer macOS .pkg · Apple silicon & Intel

Get the Extension

Add PanicVault to Chrome, Brave, Edge, Arc, or Dia from the Chrome Web Store. All Chromium browsers use the same store.

Add to Chrome Chrome Web Store · Free

Uninstall Helper

Remove the browser helper, native messaging manifests, and package receipt from your Mac.

Download Uninstaller macOS .pkg · Restart browser after
How It Works

Three ways to fill

The extension connects to a local helper on your Mac. Your passwords never leave your device.

Inline Dropdown

Focus a login field and a dropdown appears below it with matching credentials. Authenticate with Touch ID and click to fill.

Toolbar Popup

Click the PanicVault icon in the toolbar to search, browse, and fill any credential — or copy a TOTP code.

TOTP Codes

After filling your password, open the popup to view and auto-fill your two-factor authentication code.

Features

What it does

AutoFill usernames & passwords Touch ID authentication TOTP two-factor codes Passkey (WebAuthn) support URL-based credential matching Completely local — no server Works with all Chromium browsers Automatic browser detection
Troubleshooting

Common issues

Helper Not Found

If the extension shows "PanicVault helper not found," re-download and run the installer from PanicVault Settings > Browser Extension. Verify that ~/Library/Application Support/PanicVault/PanicVaultChromeHelper exists.

Helper Fails to Start

If the extension reports "Failed to start native messaging host," or running the helper in Terminal prints "bad CPU type in executable," your installed helper can't run on this Mac (versions before 1.3 ran only on Apple silicon). Download and run the latest installer (1.3 or later) at the top of this page, then restart your browser.

Extension Not Detected

Restart your browser after installing the helper. Browsers read native messaging manifests only at startup.

Touch ID Not Prompted

Make sure you've unlocked your vault at least once in PanicVault with your master password, and that Touch ID is enabled in PanicVault settings.

No Credentials Shown

The extension matches by URL. Ensure your vault entries have a URL field matching the site you're visiting, and that the vault has been unlocked this session.

Get PanicVault

One purchase. All your devices. No subscription.

Download on the App Store
Universal purchase · iPhone · iPad · Mac