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Mask This launches local clipboard redaction
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REDDIT · REDDIT// 32d agoPRODUCT LAUNCH

Mask This launches local clipboard redaction

Mask This is a free open-source macOS menu bar app that uses Apple Intelligence and a custom-trained LoRA adapter to detect and replace sensitive clipboard text with placeholders before you paste it elsewhere. It is a clever local-first privacy tool for people who regularly move real-world text into cloud AI services.

// ANALYSIS

Apple’s on-device models still look best in narrow utility workflows, and Mask This is a strong example of why: privacy-sensitive preprocessing is more useful than flashy chat demos.

  • The interesting technical bit is the custom LoRA adapter, which the creator trained after prompt-only masking kept missing repeated entities
  • Running the masking step locally is the real product advantage, since raw names, emails, phone numbers, and similar data do not need to leave the Mac first
  • Shipping both an App Store build and an Apache-2.0 GitHub repo makes the project easy to try and easy to inspect
  • The biggest limitation is platform scope: it needs Apple Silicon and Apple Intelligence, so it is more ecosystem-specific than a universal privacy layer
// TAGS
mask-thisllmopen-sourceautomationsafety

DISCOVERED

32d ago

2026-03-10

PUBLISHED

32d ago

2026-03-10

RELEVANCE

6/ 10

AUTHOR

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