RegionMirror

RegionMirror is a macOS screen-sharing utility for sharing a selected screen region in Zoom, Teams, Slack, or Discord while keeping the rest private.

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What RegionMirror does

RegionMirror is a macOS app for sharing a selected region of your screen instead of an entire ultrawide display or a single app window. It is aimed at meetings where the audience needs a readable view, but you still want to keep your full desktop available for your own work.

The app shows the chosen region inside a normal macOS window, so you can share it through Zoom, Microsoft Teams, Slack, Discord, or any other meeting tool that supports window sharing. The product is designed to stay local on your Mac, with no drivers or configuration steps beyond screen recording permission.

Built-in tools and sharing controls

Select a region quickly

Drag out the area of the screen you want to present, or start immediately with a saved region using a customizable global shortcut.

Present without re-sharing

Move windows in and out of the chosen area, resize it, or reposition it while the share is live so you do not need to stop and restart.

Share through a normal macOS window

Choose window sharing in Zoom, Teams, Slack, or Discord and select the RegionMirror window titled “RegionMirror (Share this window!)”.

Annotations on top of the share

Add arrows and text on top of the shared region to call out code, figures, or steps during a demo or walkthrough.

One-click privacy blur

Blur the shared view when you need to type sensitive information, then unblur once you are ready to continue.

Built-in whiteboard

Switch to the built-in whiteboard to sketch ideas, explain an architecture, or work through a problem, then return to your apps without ending the share.

Where RegionMirror fits

Developer walkthroughs
Present code, terminal output, and documentation in one readable frame while keeping the rest of your IDE, notes, or reference material outside the shared area.
Sales demos and product presentations
Move between product screens, slides, and a browser during a demo without stopping the share, so the audience always sees the active region.
Training and instruction
Annotate a live screen, sketch ideas on the whiteboard, and return to the shared region as you teach or explain a workflow.
Consulting and client reviews
Show dashboards or reports clearly on an ultrawide display, then blur the shared view when you need to enter credentials or other sensitive details.
Remote team meetings
Use the same region-sharing workflow in different meeting tools so each invite does not require a new way of presenting.

Pros and Cons

Pros

Lets you share a readable portion of a large or ultrawide screen instead of the entire desktop.
Supports switching between apps inside the selected region without restarting the share.
Provides presentation tools such as annotations, blur, and a built-in whiteboard.
Works as a standard macOS window, which makes it compatible with meeting apps that can share windows.
Keeps the rest of your desktop outside the shared area.

Cons

Works only on macOS 13.5 or later.
The homepage does not provide a detailed pricing table or named plans beyond the free trial and one-time purchase.

FAQ

Does RegionMirror work with Zoom and Microsoft Teams?

Yes. The homepage says RegionMirror works with Zoom, Microsoft Teams, Slack, Discord, and other tools that can share an application window. You share the RegionMirror window rather than a raw screen region directly in the meeting app.

Do I need an ultrawide monitor?

No. RegionMirror is described as most useful on large and ultrawide displays, but it also works on any Mac display running macOS 13.5 or later.

Can I share multiple apps at once?

Yes. Everything placed inside the selected region is shared, so you can arrange multiple windows in that area and move apps in and out while presenting without stopping the share.

Does the rest of my desktop stay private?

Yes. Only the selected region is shared, and the homepage says the on-screen outline shows exactly what your audience can see. It also includes a blur control for temporarily hiding sensitive content.

How does the free trial work?

RegionMirror is free to download and every feature is unlocked for 7 days or 10 sharing sessions, whichever comes first. After that, sharing continues with a 1080×720 region, and a one-time in-app purchase of $19.99 unlocks custom region sizes, annotations, blur, and the whiteboard.

Quick Facts

Category: Screen-sharing utility
Platform: macOS 13.5 or later
Primary use: Share a selected region from an ultrawide or standard Mac display
Supported meeting apps: Zoom, Microsoft Teams, Slack, Discord, and other window-sharing apps
Pricing model: Free download with a trial; one-time in-app purchase of $19.99
Privacy: Processes screen content locally and says it has no analytics or tracking

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Traffic & Rankings

Monatliche Besuche: 1516
Durchschn. Besuchsdauer: 00:03
Seiten pro Besuch: 1.40

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