A simple tool to encode/decode content hashes for EIP 1577 compliant ENS Resolvers.
You can find content-hash resolvers here :
MainNet 0xd3ddccdd3b25a8a7423b5bee360a42146eb4baf3
Ropsten 0xde469c7106a9fbc3fb98912bb00be983a89bddca
Open the console to use the 'contentHash' object !