Maskeraid – Mask data from LLMs por Ayush Walekar

Maskeraid - Detect, mask and sanitize your data before sending to LLMs by applying custom string/regex replacement rules

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Sobre esta extensión

Protect your privacy when using AI chat tools. Maskeraid automatically sanitizes sensitive information from your prompts before sending them to Large Language Models. Create custom rules to mask emails, phone numbers, credit cards, SSNs, or any personal data using regex or plain text patterns. Works seamlessly on ChatGPT, Claude, Gemini, HuggingFace etc.

Features:
- Custom regex and string replacement rules
- Real-time preview of masked text
- Multi-site support
- Local storage (no data sent to external servers)

Developer comments

This extension is designed to protect user privacy by sanitizing PII before sending prompts to LLM services. The architecture prioritizes user control and transparency.

Site-specific handlers ensure compatibility with each LLM's DOM structure
Debounced input handling (300ms) provides responsive performance
Regex patterns are validated before storage to prevent runtime errors
Fallback mechanisms handle cases where extension context becomes invalid
The extension gracefully degrades if content script injection fails

Open Source:

Source code available on GitHub. Contributions welcome. Built with modern web standards and follows extension development best practices.

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Permissions and data

Permisos requeridos:

Acceder a tus datos para chat.openai.com
Acceder a tus datos para chatgpt.com
Acceder a tus datos para claude.ai
Acceder a tus datos para gemini.google.com
Acceder a tus datos para perplexity.ai
Acceder a tus datos para notion.so
Acceder a tus datos para huggingface.co
Acceder a tus datos para copilot.microsoft.com
Acceder a tus datos para www.bing.com

Permisos opcionales:

Acceder a tus datos para chat.openai.com
Acceder a tus datos para chatgpt.com
Acceder a tus datos para claude.ai
Acceder a tus datos para gemini.google.com
Acceder a tus datos para perplexity.ai
Acceder a tus datos para notion.so
Acceder a tus datos para huggingface.co
Acceder a tus datos para copilot.microsoft.com
Acceder a tus datos para www.bing.com

Data collection:

The developer says this extension doesn't require data collection.

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