Up and running in a couple of minutes.

Pick your device. Everything is free for individuals. Get it from the Microsoft Store, Edge Add-ons and Firefox Add-ons, or straight from GitHub.

Browser extension

Edge, Firefox, Chrome

Recommended for this device

  1. Open your browser's add-on store below and click Add to Chrome, Get (Edge) or Add to Firefox.
  2. Open any AI chat. Look for the green halo around the page and the VeilGuard status in the corner.
  3. Optional: open VeilGuard's settings to add your own sites, languages and company policy.

Windows tray app

Windows 10/11, 64-bit

Recommended for this device

  1. Open VeilGuard in the Microsoft Store and click Get. No admin rights needed, and the Store keeps it up to date.
  2. Look for the green shield in the system tray. It starts with Windows; remove it any time from Settings > Apps.
  3. Right-click the shield to protect or unprotect the app you're in.

Protects Claude desktop, VS Code, Microsoft 365 Copilot, Word, Outlook, Teams, Cursor and ChatGPT desktop by intercepting paste and Enter.

IT roll-out: use the signed VeilGuard-Setup.exe with VeilGuard-Setup.exe --install --silent

Get it from Microsoft Store

Android keyboard

Android 8+

Recommended for this device

  1. Download VeilGuard-Keyboard.apk on your phone. (The Google Play listing is in review.)
  2. Open the file. If Android asks, allow your browser to install unknown apps, then tap Install.
  3. Open VeilGuard Keyboard, read the privacy notice, and follow the two steps: enable the keyboard, then choose it.
  4. Type in any app. Look for the green shield above the keys; it turns amber or red when something sensitive is in your message.

Optional: Settings > Voice, scan & stickers to allow the microphone and camera; Settings > Company to link a work phone.

Download for Android (.apk)

Outlook add-in

Microsoft 365
  1. At work: ask your IT admin to deploy it from the Microsoft 365 admin center (Integrated apps). That switches the send check on in Outlook on the web, new and classic Outlook for Windows and Mac.
  2. For yourself: download manifest.xml, open aka.ms/olksideload, then My add-ins, Add a custom add-in, Add from File.
  3. Press Send on an email with a card number: VeilGuard names what it found and offers Review in VeilGuard to mask it.

Checks run inside Outlook; nothing in your mail is sent to us. Teams: the Windows app checks the Teams desktop app at send.

IT roll-out (classic Outlook): VeilGuard-Setup.exe --install --silent --outlook-addin

Outlook add-in: details & install

Installed? Prove it.

The test page checks secrets, fake CAPTCHAs and searches in about a minute, with harmless test data. Every pattern VeilGuard looks for is published, and every build is on GitHub.