Keep using ChatGPT. Send only tokens.
A managed extension for Edge and Chrome. It holds every send until your gateway has tokenized it, then shows the answer with the real values restored.
In ChatGPT
What happens when someone presses Enter.
Write a reply to Emma Lewis (emma.lewis@example.com) about her refund to GB82 WEST 1234 5698 7654 32.
Hi Emma Lewis, your refund to GB82 WEST 1234 5698 7654 32 was approved and will arrive within 3 business days.
Restored on screen · provider keeps tokens
- 01 · HoldThe send is heldEnter, the send button and form submits are intercepted before anything is transmitted.
- 02 · TokenizeYour gateway transforms itThe text goes to your gateway, never to us, and comes back tokenized.
- 03 · ReleaseOnly tokens go outThe tokenized text is written into the page and sent. A network backstop blocks anything that doesn't match.
- 04 · RestoreThe answer reads normallyComplete tokens in the reply are restored in the page for the person who asked.
Fails closed
If it can't protect a message, the message doesn't leave.
Gateway unreachable
Why was Emma Lewis's card blocked?Privacy Gateway unavailable — protected AI access is temporarily unavailable.
Input too long
Why was Emma Lewis's card blocked?This input exceeds the protected text limit.
Site changed
Why was Emma Lewis's card blocked?Protected send is unavailable on this version of the page.
The text stays in the box in every case.
Rollout
Deployed like any managed extension.
- Force-installed with Intune, GPO or Chrome Enterprise.
- Updates and site adapters come from your servers. No Web Store.
- Users sign in with Entra ID or another OIDC provider.
- Each site version passes a canary test before it is supported.
Chrome and Edge policy
{
"ExtensionSettings": {
"<nymgate-extension-id>": {
"installation_mode": "force_installed",
"update_url": "https://nymgate.corp.internal/extension/update.xml"
}
}
}What it covers today
Supported
- ChatGPT text chat
- Claude text chat
- Microsoft Edge and Google Chrome
- Streaming answers with restore
Not yet
- File uploads (disabled on managed devices)
- Voice and screen sharing
- Projects, connectors and memory
- Firefox and Safari