open-firefox.md

The 'open-firefox.ps1' Script

This PowerShell script launches the Mozilla Firefox Web browser.

Parameters

PS> ./open-firefox.ps1 [[-URL] <String>] [<CommonParameters>]

-URL <String>
    Specifies an URL
    
    Required?                    false
    Position?                    1
    Default value                https://www.fleschutz.de
    Accept pipeline input?       false
    Aliases                      
    Accept wildcard characters?  false

[<CommonParameters>]
    This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, 
    WarningVariable, OutBuffer, PipelineVariable, and OutVariable.

Example

PS> ./open-firefox

Notes

Author: Markus Fleschutz | License: CC0

Related Links

https://github.com/fleschutz/PowerShell

Script Content

<#
.SYNOPSIS
	Launches the Firefox browser
.DESCRIPTION
	This PowerShell script launches the Mozilla Firefox Web browser.
.EXAMPLE
	PS> ./open-firefox
.PARAMETER URL
	Specifies an URL
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

#requires -version 5.1

param([string]$URL = "https://www.fleschutz.de")

try {
	$App = Get-AppxPackage -Name Mozilla.FireFox
	if ($App.Status -eq "Ok") {
		# starting Firefox UWP app:
		explorer.exe shell:appsFolder\$($App.PackageFamilyName)!FIREFOX
	} else {
		# starting Firefox program:
		start-process firefox.exe "$URL"
	}
	exit 0 # success
} catch {
	"⚠️ ERROR: $($Error[0]) (script line $($_.InvocationInfo.ScriptLineNumber))"
	exit 1
}

(page generated by convert-ps2md.ps1 as of 04/19/2026 17:57:02)