Caviard.ai Chrome Extension Screenshot

Introduction

Caviard is a privacy‑first Chrome extension that automatically detects and masks Personally Identifiable Information (PII) in your prompts before sending them to AI tools like ChatGPT or DeepSeek. It works entirely in your browser—no external servers—ensuring your sensitive data never leaves your device.

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Key Features

Real‑Time PII Detection: Identifies names, emails, addresses, card numbers, and more as you type.
Local Processing: All masking happens in your browser—no third‑party servers or uploads.
Smart Placeholders: Replaces sensitive data with natural placeholders to keep your text coherent.
Hotkey Toggle: Quickly switch between original and masked view with Alt+R.
Customizable Rules: Define additional patterns or PII types to mask.
Seamless AI Integration: Works out‑of‑the‑box with ChatGPT, DeepSeek, and other web‑based AI tools.

What It Does?

Caviard.ai protects your privacy across four main actions:

  • Detect: Continuously scans input fields for sensitive information.
  • Mask: Automatically replaces detected PII with placeholder tokens.
  • Toggle: Allows you to view or hide masked data with a keyboard shortcut.
  • Customize: Add or adjust detection rules to fit your needs.

How It Works?

1. Type Normally: Enter prompts into any supported AI interface.
2. Automatic Scan: The extension flags PII in real time.
3. Masking: Detected data is replaced with placeholders like [EMAIL] or [CARD].
4. Submit: Only the masked text is sent to the AI service.
5. Reveal: Press Alt+R to revert to the original text locally when needed.

Use Case & Target Audience

Use Case

  • Developers prototyping applications with sensitive test data.
  • Marketers sharing customer details in AI‑generated campaigns.
  • HR professionals drafting candidate summaries via AI.
  • Anyone sending personal or business data to online AI services.

Target Audience

  • Tech professionals concerned with data privacy compliance.
  • Content creators using AI for sensitive or proprietary content.
  • Small businesses handling customer PII via AI tools.
  • Researchers working with anonymized datasets.

Pros and Cons

Pros

  • Robust detection covering multiple PII types.
  • Works entirely offline in the browser.
  • Easy to install and configure via Chrome Web Store.
  • Custom rules for advanced privacy needs.

Cons

  • Limited to Chrome browsers.
  • May miss highly contextual or less common PII patterns.
  • Initial setup of custom rules can be complex for non-technical users.

Final Thoughts

Caviard.ai offers a lightweight, effective layer of privacy protection for anyone using AI chat services. By locally masking sensitive data before it ever reaches external servers, it helps maintain confidentiality without disrupting your workflow. While it currently supports only Chrome, its powerful PII detection and customizable rules make it a valuable tool for professionals and individuals alike.

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