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Developer launches PrivaKit, a privacy-first AI workspace that runs entirely in the browser using WebGPU to eliminate cloud API risks for sensitive document processing.

Hacker News · April 18, 2026

Developer launches PrivaKit, a privacy-first AI workspace that runs entirely in the browser using WebGPU to eliminate cloud API risks for sensitive document processing.

AI Summary

  • PrivaKit uses transformers.js, Whisper, and WebGPU to perform AI tasks like transcription, OCR, and image processing entirely client-side with zero data uploads
  • Users can enable Airplane Mode after initial model loading and continue working with full functionality, eliminating reliance on cloud services
  • Creator published a technical audit detailing data flow to ensure transparency, with only a minimal 2-core backend in Singapore running self-hosted Plausible analytics
  • The tool addresses privacy concerns for sensitive workflows such as transcribing board meetings, OCRing employment contracts, and processing ID photos

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