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Zoom

This tool on every surface: CLI · MCP · Python · JavaScript · Go · Java · .NET

Pinch two fingers apart or together, about an element or the middle of the screen. These call app_zoom.

Zoom​

public void Zoom(string direction = "in", string? target = null)

Pinches apart or together, about an element or the screen. Reports that the gesture was delivered and nothing more: neither platform exposes a zoom level in the accessibility hierarchy, so confirming a zoom means asking whatever was zoomed — a WebView can answer with visualViewport.scale through Eval.

Examples​

Pinch out, to zoom in​

device.Zoom("in");

The same call from the command line, mobium zoom in, printed on an Android 15 emulator:

pinched in about the screen at (540, 1200), fingers 160 to 640px apart — the gesture was delivered, which is all this can confirm: neither platform reports a zoom level in the hierarchy, so ask the thing you zoomed (a WebView knows its own visualViewport.scale)
BeforeAfter
Before: mobium zoom in on an Android 15 emulatorAfter: mobium zoom in on an Android 15 emulator

mobium zoom in on an Android 15 emulator