This tool helps you to convert any public key (xPub) to a different format. It takes care about the Base64 encoding too.
Supports: xpub, ypub, Ypub, zpub, Zpub, vpub, Vpub, upub, Upub, tprv, tpub, Ltub, drkp, DRKP, drkv, DRKV
Contributions:
NBitcoin: https://github.com/MetacoSA/NBitcoin
Huge Thanks ! With this Project we could give you an easy application to use on Windows (MacOS and Linux will maybe follow, depending on .Net Core)
