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The Sonar Browser Extension

In this article, learn how the Sonar browser extension works.

1️⃣ What the Sonar browser extension does

Your teams use AI tools in their browser, including tools that aren't approved by your organization. The Sonar browser extension automatically anonymizes sensitive data before it's entered into these tools.

The goal: keep control of your data without slowing your employees down. The extension doesn't block tools — it anonymizes what needs to be anonymized and points employees toward approved tools.

2️⃣ What the extension covers

👉 Browsers

  • Google Chrome and Microsoft Edge (more browsers to come).

  • The employee must be signed into the browser with their work account.

👉 Tools concerned

  • AI tools accessed in the browser (such as ChatGPT, Claude, Perplexity…).

  • Desktop apps aren't covered, since they run outside the browser.

👉 Action detected

  • For now, the extension only intercepts sensitive copy-paste actions. Manual typing and file uploads will follow soon.

💡 Pre-requisites:

  • Use Google Chrome or Microsoft Edge.

  • Be signed into the browser with your work account.

3️⃣ The employee experience

When an employee pastes sensitive data into an unapproved AI tool:

  • Albert pops up and anonymizes the data on the fly, before it reaches the AI tool.

  • Albert tells them what was anonymized and which approved AI tool to use instead.

  • If the employee disagrees, they can override the redaction in one click (if you allow it — see step 2 below).

4️⃣ Deploying and configuring the extension

The extension is included in your Sonar subscription, at no extra cost.

Step 1: Deploy the extension. From your Sonar settings, enable the extension in just a few clicks, then follow our installation guide for Chrome or Edge.

Step 2: Configure the policy. Everything else happens in Sonar's Sensitive data redaction in AI tools policy. There you define:

  • the tools concerned (those that aren't approved at your organization);

  • the sensitive data types Albert should anonymize;

  • whether employees can or cannot override Albert's decision.

Step 3: Track the events. Once the extension is enabled, the first events appear in Sonar's Insights tab (top-right of your screen).

5️⃣ Try the extension

A demo interface lets you try the extension live, with no setup required: demo interface. Just follow the steps to see in real time what Albert can anonymize before data reaches AI tools.

👍 Good to know: Sensitive data doesn't leave the browser: anonymization happens locally, which addresses data privacy concerns.


Key takeaways

  • The Sonar browser extension anonymizes sensitive data before it reaches unapproved AI tools.

  • Available on Chrome and Edge, included in Sonar at no extra cost.

  • For now: copy-paste only (manual typing and file uploads coming soon).

  • You stay in control: approved tools, data types to anonymize, override permission.

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