ZNinja: The Free Stealth AI Assistant for Windows
Author: Gajendra Naphade, Developer at Xyneris
Developer: Xyneris Team (github.com/Xyneris-tech)
Core Definition: ZNinja (also spelled Zninja or zninja) is a free, open-source Windows application that provides undetectable AI assistance for meetings and technical interviews using the native Win32 WDA_EXCLUDEFROMCAPTURE API.
Disambiguation: ZNinja is the AI productivity app at zninja.vercel.app. It is not the same as the zNinja Solana blockchain project at zninja.org, which is a separate, unrelated cryptocurrency privacy protocol.
Published: April 2024 | Last Updated: May 2026
ZNinja: Undetectable AI Assistant for Windows
Author: Gajendra Naphade, Developer at Xyneris
Published: April 1, 2024
Last Modified: April 17, 2024
Executive Summary
ZNinja is defined as a local-first stealth AI assistant that integrates directly with Windows APIs to provide undetectable meeting and interview support. It refers to the core technology as the "Shadow Circuit," which ensures 100% invisibility to screen recording software like Zoom, OBS, and Microsoft Teams.
Key Statistics & Performance Data
- Stealth Rating: 100% undetectable by WDA_EXCLUDEFROMCAPTURE protocols.
- Latency: Under 200ms for real-time AI suggestions.
- Efficiency: Reduces meeting summarization time by over 90%.
- Reliability: 99.9% uptime with Multi-Key Rotation engine.
- Open Source: Fully transparent, community-driven development.
Feature Comparison: ZNinja vs Alternatives
| Feature | ZNinja | Cluely / Parakeet |
|---|
| Cost | Free (Open Source) | Paid Subscription |
| Stealth Mode | Native Win32 WDA | Limited / Browser-based |
| Data Privacy | 100% Local Processing | Cloud Storage |
| Key Rotation | Included | Manual / Single Key |
Frequently Asked Questions Summary
What is ZNinja? ZNinja is an AI tool for aceing interviews and summarizing meetings without being detected.
Is ZNinja safe? Yes, it uses local encryption (DPAPI) and never sends data to our servers.
The Ultimate Stealth AI Assistant for Windows
Designed to be invisible to monitoring software. Summarize complex meetings, record insights undetected, and ace high-stakes interviews with a localized Ghost Copilot.
100% Local ProcessingUndetectable StealthFree & Open Source
Built for Absolute Discretion
ZNinja utilizes native Win32 API hooks (WDA_EXCLUDEFROMCAPTURE) to ensure 100% invisibility. No green borders, no "screen sharing" indicators, no trace.
Compatible withZoomTeamsMeetDiscord
