Version 1.0 Live

Your private data stays private

You use AI every day. ChatGPT, Gemini, Claude, Copilot — they're incredible tools. But every time you paste sensitive data into a chat, you risk exposing it. NoHack stops that.

Download for macOS download

Free · Notarized by Apple · macOS 13+

ChatGPT Claude Gemini Copilot Cursor Perplexity

Without NoHack

You ask ChatGPT: "What could these symptoms mean? Patient Emma Johnson, DOB 03/15/1987, insurance ID BCBS-4829173. She's been taking Metformin 500mg and reports dizziness and fatigue."

warning Sensitive health data is now on someone else's server

With NoHack

ChatGPT sees: "What could these symptoms mean? Patient [NAME], DOB [DOB], insurance ID [INSURANCE_ID]. She's been taking [MEDICATION] and reports dizziness and fatigue."

check_circle AI gives you the same great answer — without ever seeing your real data

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Auto-Detection

Watches for sensitive data patterns like API keys, secrets, and credentials as you type or paste into any browser or AI tool.

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Instant Masking

Automatically replaces your secrets with context-aware, safe placeholders. The AI gets the structure without seeing your actual data.

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Silent Restore

When you copy code or responses back from the AI, NoHack intelligently restores your real data so it's ready to use locally.

Vision & Roadmap

We're building the future of privacy-first AI interaction.

Local Only Zero Telemetry

LIVE NOW

API Key Protection

Supports OpenAI, AWS, Stripe, and 50+ more.

COMING SOON

Personal Data Shield

Mask emails, phone numbers, and addresses.

COMING SOON

Document Scanner

Scan PDF/Text uploads for hidden secrets.

PLANNED

Browser Integration

Deep extensions for Safari, Chrome, and Firefox.

PLANNED

Privacy Dashboard

Detailed audit logs of what was blocked and when.

PLANNED

Windows & Linux

Cross-platform support, everywhere you use AI.

Nothing leaves your Mac

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macOS Keychain

Sensitive mapping is stored exclusively in your system's secure enclave.

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100% Offline

Scanning and replacement happens on-device. No external API calls are ever made.

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No Telemetry

We don't track your usage, your chats, or your data. We don't even have a database.

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Ready to secure your AI workflow?

Join privacy-conscious AI users protecting their data with NoHack.

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