CipherPrompt DLP

Local browser extension inspecting pasted content and dropped files on LLM web platforms to block sensitive data.

CipherPrompt DLP is a real-time, privacy-first Data Loss Prevention extension that automatically scans text pasted or files dropped into AI chat tools before they reach external LLM servers. 🛡️ Key Features Real-Time Client-Side Inspection: Scans prompt input fields on ChatGPT, Claude, Gemini and custom AI web platforms. Instant Secret Redaction & Blocking: Detects and sanitizes OpenAI keys, AWS credentials, Anthropic keys, Slack tokens, JWTs, DB connection URIs, PEM certificates, credit cards, and PESEL numbers. 100% In-Memory Processing: All inspection happens locally in your browser memory. Zero prompt text, user input, or browsing data is ever uploaded or stored remotely. File Drag & Drop Protection: Inspects dropped text files and blocks unauthorized file formats (such as .kdbx, .pem, .id_rsa, .key). Custom Enterprise Domains: Easily add self-hosted or internal corporate AI platforms with one click. Custom Regex Rules: Define your own custom regex patterns for proprietary project codes and secret formats.