Browser extension

Check emails where you read them. In Gmail and Outlook.

Analyze the open email for phishing with one click, without copying the source or leaving your inbox.

Firefox add-ons

Sign in to get started

An AntiBait account is required to use the browser extension. Your analysis results are tied to your account for history tracking and security.

How it works

Three steps. No copying, no pasting.

  1. 01

    Open an email

    Navigate to any email in Gmail or Outlook that you want to check.

  2. 02

    Click AntiBait

    Click the AntiBait icon in your browser toolbar to open the analyzer.

  3. 03

    Read the result

    See the verdict, threat score, tags and recommendations in the extension panel.

Install

Install the extension.

  • Firefox

    For Firefox 128 and later, and browsers built on it

  • Chrome

    For Google Chrome and Chromium-based browsers

    Store listing coming soon
  • Edge

    For Microsoft Edge

    Store listing coming soon
  • Thunderbird

    For Thunderbird 128 and later. Download the file, then in Thunderbird open Add-ons and Themes, click the gear and choose Install Add-on From File.

    Download .xpi · v2.0.0

Providers

Supported email providers.

  • Gmail

    mail.google.com

    Supported
  • Outlook

    outlook.live.com · outlook.office.com

    Supported

Checksums

SHA-256 of the files offered on this page. Compare it with the file you downloaded before you install it.

antibait-thunderbird-2.0.0.xpi
f91d33a23e17102b22d64d00ac03da85592704289643eef84e376327cfa034f2

Privacy

Privacy and permissions.

Minimal permissions

Only accesses the active tab on Gmail and Outlook. No access to other tabs, browsing history, or bookmarks.

No local storage

Email content is analyzed in real-time and never stored on your device.

HTTPS only

All communication with AntiBait servers is encrypted with TLS.

No email storage

Emails the extension scans are analyzed and discarded, not stored.

Support

Troubleshooting.