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

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.  Sits in the MenuBar
  9.  Support for Keyboard Shortcuts
  10. Microsoft Teams icon  Microsoft Teams Integration
  11.  Screen Mirroring
  12. Zoom icon  Zoom integration
  13.  Keyboard Shortcuts
  14. 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
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.