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Description
Warns you before pasting API keys, tokens, or other secrets into AI chat conversations. Ever pasted a config file, a terminal log, or a .env snippet into an AI chat - and only noticed the API key sitting in there after you hit send? PasteSentinel watches what you paste into your AI chat conversations and warns you before a secret goes out. If it looks like an API key, access token, password, or private key, you get a one-click choice: cancel the paste, or send it anyway. Your call, every time - PasteSentinel never silently blocks anything without asking. WHAT IT CATCHES • Cloud infrastructure access keys • Source-control and team-chat platform tokens, including chat webhook URLs • AI provider API keys ("sk-" prefix and similar formats) • Payment processor secret keys • Messaging and email API keys (SMS, transactional email, marketing platforms) • E-commerce and business-tool API tokens • Developer-platform tokens (package registries, API testing tools, deployment platforms) • Analytics and CRM integration keys • Private key files - RSA/EC/OpenSSH/DSA/PKCS#8 (.p8), encrypted PEM, and PGP private keys • Won't flag your SSH public key (.pub) - that's meant to be shared, not a secret • JWTs • Database connection strings with an embedded password (postgres://, mysql://, mongodb://, etc.) • Explicit "api_key=", "password=", "token=" style credential assignments - any value, any length • Passwords using a real mix of upper/lowercase, digits, and symbols, even with no recognizable prefix • Generic high-entropy strings that look like a random secret 100% LOCAL - NO BACKEND, NO ACCOUNT, NO CLOUD Everything happens on your device, the moment you paste. There is no server behind PasteSentinel, no account to create, and no data ever leaves your browser - not even the secrets it detects. PasteSentinel doesn't use Chrome's sync storage either, so nothing syncs across your devices at all. It only ever saves your on/off setting, your own custom ignore-list entries, and a simple daily/all-time counter, all stored locally on your device. WHY THIS MATTERS AI chat tools have become part of everyday developer workflow - debugging, writing docs, summarizing logs. It's easy to paste a whole file or terminal output without scanning every line first. One accidental paste can put a live credential into a conversation log outside your control. PasteSentinel is the safety net for that exact moment. TEACH IT YOUR OWN EXCEPTIONS Using a placeholder or test token on purpose? Add it to your ignore list from the extension's settings page, and PasteSentinel will stop flagging it - without ever needing to know what your real secrets look like. BROAD COVERAGE Works across every major AI chat site, not just the big three - open the popup after installing to see the full list. PasteSentinel is an independent tool and isn't affiliated with, endorsed by, or sponsored by any AI platform it works with.