Cloak

What it does

We have all hesitated before pasting a work email or code snippet into ChatGPT. You worry about privacy, so you waste time manually deleting details. Cloak fixes this. It sits in your browser and automatically swaps sensitive data like names and phone numbers with safe placeholders before they hit OpenAI. When the answer comes back, it restores the original details instantly. You get the full power of AI without ever exposing your private data. It happens entirely locally on your device.

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  GPTGuard2024 · gptguard.ai · ▲286

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  CapeChat2023 · ▲248

  Keep sensitive data private while still using ChatGPT

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  ChatGPT Plugins2023 · openai.com · ▲355

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  Lakera2023 · chromewebstore.google.com · ▲131

  Secure your conversations with ChatGPT

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  Privatemode AI2025 · privatemode.ai · ▲33

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  Secure ChatGPT – a safer way to interact with generative AI2023 · github.com · ▲35

  Hi HN, I’m the founder of Pangea. We’ve built a developer platform where you can easily add security to your code through a simple set of APIs - features like authentication, secrets management, audit logging, redaction of PII, restricting embargoed countries, known threat actor intelligence, etc. With the ChatGPT and LLM explosion, we thought of ways to reduce the risk of both the inputs and outputs from these services. Our NextJS sample app adds a security layer on top of ChatGPT with various security services that you can implement quickly. It’s basically a front end to the OpenAI API…

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