PortalBox icon
PortalBox icon

PortalBox

A macOS screen sharing app that lets you share any region of your screen in Zoom, Google Meet, Teams, and more. Draw a box, get a live preview window, and share only what you want.

PortalBox screenshot 1

Cost / License

  • Pay once
  • Proprietary

Application type

Platforms

  • Mac
  • Homebrew
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Features

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Properties

  1.  Privacy focused

Features

  1.  Works Offline
  2.  No registration required
  3.  Live Preview
  4.  No Tracking
  5.  Screen Sharing
  6.  Support for Multiple Monitors
  7.  Ad-free
  8.  Support for Keyboard Shortcuts
  9. Microsoft Teams icon  Microsoft Teams Integration
  10. Zoom icon  Zoom integration
  11. Google Meet icon  Google Meet integration

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PortalBox information

  • Developed by

    US flagFriendly Ventures
  • Licensing

    Proprietary and Commercial product.
  • Pricing

    One time purchase (perpetual license) that costs $9.
  • Alternatives

    6 alternatives listed
  • Supported Languages

    • English

AlternativeTo Category

Remote Work & Education

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PortalBox was added to AlternativeTo by Paul on and this page was last updated .
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What is PortalBox?

A macOS screen sharing app that lets you share any region of your screen in Zoom, Google Meet, Teams, and more. Draw a box, get a live preview window, and share only what you want.

PortalBox helps you share exactly what you want, with a live preview window that works in every meeting app.

Share just the right region

Draw a resizable box anywhere on your screen. PortalBox mirrors only that area into a clean preview window, perfect for ultrawide screens.

  • Keeps wide-screen shares readable
  • Resizable handles for precise framing
  • Choose any monitor or area
  • Live preview window that stays crisp

Share a clean preview window

PortalBox turns your region into a dedicated preview window you can share in Zoom, Meet, Teams, and more.

  • Share once, keep working
  • Works with every meeting app
  • Move the preview anywhere
  • Crisp, focused framing

Pause when you need privacy

Pause or resume the live preview instantly from the menu bar or a shortcut. Nothing updates until you say so.

  • One-click pause/resume
  • Screen recording only for the preview
  • Never records or uploads your screen

More to love:

  • Menu bar controls: Quick access to pause, resume, and switch capture modes.
  • Multi-display ready: Move the capture region across monitors with ease.
  • Resizing handles: Dial in exact dimensions with snap-to handles.
  • Window sizing shortcut: Use window selection as a quick sizing shortcut, then share anything inside that region.
  • Shortcut support: Pause or resume capture with a global hotkey.
  • Privacy by design: Only the selected region is mirrored, nothing more.