MaskPaste icon
MaskPaste icon

MaskPaste

MaskPaste lets you mask sensitive details on your device, without sending or saving your text or replacement rules to any external server, before you paste into AI.

MaskPaste screenshot 1

Cost / License

  • Pay once
  • Proprietary

Application type

Platforms

  • Mac
MaskPaste screenshot 1
MaskPaste screenshot 2
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Features

Properties

  1.  Privacy focused
  2.  Lightweight

Features

  1.  No Tracking
  2.  No registration required
  3.  Works Offline
  4.  Ad-free

 Tags

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MaskPaste information

  • Developed by

    nuintee

  • Licensing

    Proprietary and Commercial product.

  • Pricing

    One time purchase (perpetual license) that costs $2.

  • Alternatives

    3 alternatives listed

  • Badge

    Get an embeddable badge for MaskPaste

  • Supported Languages

    • English

AlternativeTo Category

Security & Privacy

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MaskPaste was added to AlternativeTo by Paul on and this page was last updated .
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Official Links

AppStores & Other Links

Download from Mac App Store

What is MaskPaste?

Mask sensitive details on your device before pasting into AI. No uploads — copy the masked text as-is and restore the original wording anytime.

MaskPaste is a macOS app that lets you mask sensitive text before pasting it into AI tools — all processing happens on your device. No text or replacement rules are ever sent to an external server.

  • Mask only what you choose: Replace sensitive details like names, company names, or addresses with natural aliases, all on your device.
  • Paste into AI as-is: Review the masked text on screen, then copy it directly into your prompt without extra cleanup.
  • Restore the original wording later: Once text has been masked, you can use your saved rules to restore the original wording at any time.

Don't send it out. Don't leave it behind.

Your text and replacement rules stay on your device instead of being uploaded to any external server. Mask sensitive details locally and reduce exposure before anything reaches an AI service.