There's some functions that are neither used nor exported.

Warning:(31, 6) Unused function 'encodeAddress'
Warning:(47, 6) Unused function 'pubKeyFromPrivate'
Warning:(53, 6) Unused function 'hash160'
Warning:(69, 6) Unused function 'encrypt'
Warning:(81, 6) Unused function 'decrypt'
Warning:(96, 6) Unused function 'base58Decode'

For people looking to understand or try the tools (or just those wanting to understand how the tool works), provide the ability to use sample values.

Instead of loading the page with default values, we could add a "Show example" button somewhere on each page that fills out the fields and show how it's used.