Item logo image for AI Data Masker

AI Data Masker

Item media 4 (screenshot) for AI Data Masker
Item media 1 (screenshot) for AI Data Masker
Item media 2 (screenshot) for AI Data Masker
Item media 3 (screenshot) for AI Data Masker
Item media 4 (screenshot) for AI Data Masker
Item media 1 (screenshot) for AI Data Masker
Item media 1 (screenshot) for AI Data Masker
Item media 2 (screenshot) for AI Data Masker
Item media 3 (screenshot) for AI Data Masker
Item media 4 (screenshot) for AI Data Masker

Overview

Mask personal data before sending to AI services. Protect emails, phone numbers, URLs, and custom keywords.

🛡️Mask personal data before sending to AI. Protects emails, phone numbers, URLs, and custom keywords. Free & Pro plans. ### Detailed description **AI Data Masker** automatically masks personal information in your text before you send it to AI services — keeping your sensitive data safe. **How it works:** 1. Type your message in ChatGPT, Gemini, or other AI services 2. Click the 🛡️ button — personal data is replaced with tokens like `[EMAIL_1]`, `[PHONE_1]` 3. Send the masked text to the AI 4. Click ↩️ to restore the original values when needed **Automatically detects and masks:** - 📧 Email addresses - 📞 Phone numbers (Japanese & international formats) - 🔗 URLs - 📮 Postal codes - ✏️ Custom keywords (your company names, project codes, etc.) **Supported AI services:** - ✅ ChatGPT (chatgpt.com) — Free - ✅ Gemini (gemini.google.com) — Free - ✅ Claude (claude.ai) — Pro - ✅ Microsoft Copilot — Pro - ✅ Perplexity AI — Pro **Free plan:** - Basic masking (email, phone, URL, postal code) - Up to 5 custom keywords - 10 mask history entries - ChatGPT & Gemini support **Pro plan:** - All Free features - Unlimited custom keywords - Unlimited mask history - All 5 AI services - Pre-send PII warning (alerts before submitting unmasked data) All processing is done **100% locally** in your browser. No data is ever sent to external servers.

Details

  • Version
    0.3.1
  • Updated
    March 10, 2026
  • Features
    Offers in-app purchases
  • Offered by
    kimagure_func
  • Size
    36.24KiB
  • Languages
    2 languages
  • Developer
    Email
    www.kazushi@gmail.com
  • Non-trader
    This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization
The developer has disclosed that it will not collect or use your data.

This developer declares that your data is

  • Not being sold to third parties, outside of the approved use cases
  • Not being used or transferred for purposes that are unrelated to the item's core functionality
  • Not being used or transferred to determine creditworthiness or for lending purposes

Related

ChatWall - Anonymise & Mask Private Data (PII) in AI LLM prompts : ChatGPT…

5.0

Secure your LLM prompts. Mask PII & private data locally before sending to ChatGPT. 100% Local Anonymisation, GDPR & sovereignty.

Prompt Armour — Redact Secrets & PII from ChatGPT, Claude & Gemini

5.0

Automatically catches passwords, API keys, and personal data in your prompts and redacts them before they reach any AI chatbot.

Privatiser

5.0

Anonymize sensitive content before pasting into AI chats. Redacts IPs, emails, API keys, and more.

Sequirly - AI Workflow Security for ChatGPT, Claude & Gemini

4.8

Sequirly catches sensitive data before it reaches AI tools with realtime prompt scanning, upload protection, and PII detection.

AIOStack DataGuard

5.0

Data Loss Prevention extension that redacts sensitive information from AI chat websites

SanitizeAI

0.0

Privacy-first GenAI Data Loss Prevention - Protect sensitive data from accidental leaks to AI chatbots

Noxis - Privacy Watch

5.0

Privacy protection for AI chat platforms. Detects and blocks personal data before it is sent.

Korasu AI by Korbinex

5.0

Enterprise phishing protection with AI link analysis, safe browser previews, and credential protection for Gmail, Outlook.

Caviard – Redact personal information (PII) in ChatGPT and DeepSeek

5.0

Caviard automatically replaces personal information (PII) before your prompt is sent to AI services. 100% locally.

The Safe AI

4.8

Protect Yourself and Your Business from AI Data Leaks.

AI Shield

5.0

Prevent accidental PII or API key leaks to any AI. A local-first firewall that masks personal data before it leaves your browser.

JackalShield — GDPR Document Anonymizer

0.0

Anonymize documents before sharing with AI. Replaces PESEL, NIP, names, addresses, phones. 100% local processing.

ChatWall - Anonymise & Mask Private Data (PII) in AI LLM prompts : ChatGPT…

5.0

Secure your LLM prompts. Mask PII & private data locally before sending to ChatGPT. 100% Local Anonymisation, GDPR & sovereignty.

Prompt Armour — Redact Secrets & PII from ChatGPT, Claude & Gemini

5.0

Automatically catches passwords, API keys, and personal data in your prompts and redacts them before they reach any AI chatbot.

Privatiser

5.0

Anonymize sensitive content before pasting into AI chats. Redacts IPs, emails, API keys, and more.

Sequirly - AI Workflow Security for ChatGPT, Claude & Gemini

4.8

Sequirly catches sensitive data before it reaches AI tools with realtime prompt scanning, upload protection, and PII detection.

AIOStack DataGuard

5.0

Data Loss Prevention extension that redacts sensitive information from AI chat websites

SanitizeAI

0.0

Privacy-first GenAI Data Loss Prevention - Protect sensitive data from accidental leaks to AI chatbots

Noxis - Privacy Watch

5.0

Privacy protection for AI chat platforms. Detects and blocks personal data before it is sent.

Korasu AI by Korbinex

5.0

Enterprise phishing protection with AI link analysis, safe browser previews, and credential protection for Gmail, Outlook.

Google apps