The first link encrypts or decrypts text.
The next four links generate individual private keys from "brainwallet" passphrases.
The last link generates 12-word seeds from hex.
Decrypt Text | Gen a BTC or DASH Privkey | Gen an ETH or ERC20 Privkey |
Gen a Monero Privkey | Gen a Ripple Privkey | Gen a 12-Word Seed |