PasteGuard

Overview

PasteGuard acts as a privacy middleware for your AI applications. It automatically detects and masks sensitive data (PII, API keys, secrets) before sending requests to LLMs like OpenAI or Claude, and unmasks the response, ensuring your private data never leaves your control.

Key features

• 20+ PII types detection
• Mask & Route modes
• OpenAI API compatible
• Works with local LLMs
• Docker self-hostable
• Browser extension available