At first This tool was intended for private use only, but then i had a second thought to publish it, so that others could use it.
This tool can help you generate ElGamal keypairs and much more. It was coded with C# (requires .NET Framework v4.0 or you can use DotNetBox).
Snapshot of the tool:
md5 checksum 267b57e12e556cbd5c15e8e2ad8fe30d
Filesize 29863 bytes
download link ElGamal.Tool.v1.0.rar