PromptMask

by Wassim · promptmask.ai · Privacy & Security

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Protect your personal information in AI chatbot prompts by replacing sensitive data with placeholders before submission.

Users

+4 in 30 days

Rating

5.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#158K

#131K among extensions

Version

1.0.1

updated 7 May 2025

Users

monthly, 18 months

Latest, 15 Oct 2026: 17 usersMove the mouse over the chart for any month

Ratings count

monthly, 18 months

Latest, 15 Oct 2026: 2 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About PromptMask

PromptMask is a privacy-first Chrome extension designed to protect your sensitive personal information when using popular AI chatbots like ChatGPT, Claude, Grok, and Qwen. With a single click, PromptMask replaces your configured personal data—such as names, email addresses, and other PII—with generic placeholders before your prompt is ever sent to the AI service. ✅ Key Features: - One-click protection with a “Protect” button integrated directly into chat interfaces - Local-only processing – your data never leaves your browser - Supports major AI chat platforms: ChatGPT, Claude, Grok, Qwen - Fully customizable personal info settings - Clean, intuitive UI with seamless platform integration - No data collection, tracking, or remote storage 🔒 How It Works: - Add your personal information in the extension's settings - Click the "Protect" button before sending your message - PromptMask replaces private details with placeholders like __FIRST_NAME__ - Submit your prompt confidently, knowing your privacy is protected