DataCloak by DataCloak

Swap secrets/PII for realistic fakes before AI chat sees them.

About this extension

DataCloak is a local-first sensitive-data protection layer for AI prompts. Paste a .env, a DSN, or an API key into your agent DataCloak swaps every secret and PII value for a realistic synthetic fake (same shape, same meaning, zero real data) before it reaches the model, then swaps the originals back into the response. The model reasons over a structurally identical prompt and its answers come back with your real values restored result quality never compromised.

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Permissions and data

Required permissions:

Access your data for claude.ai
Access your data for chat.openai.com
Access your data for chatgpt.com
Access your data for gemini.google.com
Access your data for x.ai
Access your data for www.perplexity.ai
Access your data for cowork.ai
Access your data for chat.deepseek.com

Optional permissions:

Access your data for claude.ai
Access your data for chat.openai.com
Access your data for chatgpt.com
Access your data for gemini.google.com
Access your data for x.ai
Access your data for www.perplexity.ai
Access your data for cowork.ai
Access your data for chat.deepseek.com

Data collection:

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