Closehold per Closehold LLC

Protects confidential information before it reaches AI tools — on your device, reversibly, with nothing sent to us.

A proposito de iste extension

Closehold is the AI data boundary. It protects sensitive information in the moment it would cross into an AI tool — and puts it back in the answer.

HOW IT WORKS
Type into ChatGPT, Claude, Gemini, Copilot and other AI tools exactly as you always do. When you press send, Closehold detects confidential material — names, identifiers, account numbers, financial details, privileged content — and replaces it with reversible placeholders before the prompt leaves your browser. When the answer comes back, the real values are restored in place. The AI service never sees the original; you never see a placeholder.

EVERYTHING RUNS ON YOUR DEVICE
This extension is a thin bridge to the Closehold desktop application running on your own machine (127.0.0.1). Detection, redaction and restoration all happen locally. The extension sends nothing to Closehold's servers — there is no account inside the extension, no analytics, no tracking, and no content collection of any kind.

REQUIRES
The Closehold desktop application (provided to pilot participants). The extension pairs with it automatically and shows its protection status beside your AI conversations.

FILE PROTECTION
Files attached to AI conversations are checked the same way: a protected copy is what uploads, and the original never leaves your machine.

Closehold — The AI Data Boundary.

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Permissiones e datos

Permissiones necessari:

Excambiar messages con programmas differente de Firefox
Bloccar le contento in tote pagina
Accede tu datos pro chatgpt.com
Accede tu datos pro chat.openai.com
Accede tu datos pro claude.ai
Accede tu datos pro gemini.google.com
Accede tu datos pro copilot.microsoft.com
Accede tu datos pro m365.cloud.microsoft
Accede tu datos pro copilot.cloud.microsoft
Accede tu datos pro poe.com
Accede tu datos pro chat.mistral.ai
Accede tu datos pro chat.deepseek.com
Accede tu datos pro meta.ai
Accede tu datos pro huggingface.co
Accede tu datos pro coral.cohere.com
Accede tu datos pro replit.com
Accede tu datos pro grok.com
Accede tu datos pro aistudio.google.com
Accede tu datos pro groq.com
Accede tu datos pro openrouter.ai
Accede tu datos pro pi.ai
Accede tu datos pro chat.qwen.ai
Accede tu datos pro kimi.com
Accede tu datos pro phind.com
Accede tu datos pro chat.reka.ai
Accede tu datos pro character.ai
Accede tu datos pro you.com
Accede tu datos pro duck.ai
Accede tu datos pro duckduckgo.com
Accede tu datos pro www.google.com
Accede tu datos pro mail.google.com
Accede tu datos pro outlook.office.com
Accede tu datos pro outlook.live.com

Permissiones optional:

Accede tu datos pro 127.0.0.1
Accede tu datos pro chatgpt.com
Accede tu datos pro chat.openai.com
Accede tu datos pro claude.ai
Accede tu datos pro gemini.google.com
Accede tu datos pro copilot.microsoft.com
Accede tu datos pro m365.cloud.microsoft
Accede tu datos pro copilot.cloud.microsoft
Accede tu datos pro poe.com
Accede tu datos pro chat.mistral.ai
Accede tu datos pro chat.deepseek.com
Accede tu datos pro meta.ai
Accede tu datos pro huggingface.co
Accede tu datos pro coral.cohere.com
Accede tu datos pro replit.com
Accede tu datos pro grok.com
Accede tu datos pro aistudio.google.com
Accede tu datos pro groq.com
Accede tu datos pro openrouter.ai
Accede tu datos pro pi.ai
Accede tu datos pro chat.qwen.ai
Accede tu datos pro kimi.com
Accede tu datos pro phind.com
Accede tu datos pro chat.reka.ai
Accede tu datos pro character.ai
Accede tu datos pro you.com
Accede tu datos pro duck.ai
Accede tu datos pro duckduckgo.com
Accede tu datos pro www.google.com
Accede tu datos pro mail.google.com
Accede tu datos pro outlook.office.com
Accede tu datos pro outlook.live.com

Collection de datos:

Le disveloppator dice que iste extension non require collection de datos.