Convert binary file to base-64 using Powershell

base64file.ps1

$filePath = "C:\path\to\your\file.txt"
$outputPath = "C:\path\to\output\encodedFile.txt"

# Read the file content as bytes
$fileContent = [System.IO.File]::ReadAllBytes($filePath)

# Convert the byte array to a Base64 string
$base64String = [Convert]::ToBase64String($fileContent)

# Output the Base64 string to a new file
[System.IO.File]::WriteAllText($outputPath, $base64String)