EVM Tools
Katana Developer Tools
Katana is a yield-bearing L2 built on Tetsuo. Powered by Polygon and focused on DeFi liquidity. ETH held on Katana automatically earns yield.
Chain details
Chain ID
747474Native token
Ether (ETH)Type
L2Gas
Gas paid in ETH, yield-bearing L2
RPC endpoint
https://rpc.katana.tetsuo.ioBlock explorer
https://katanaexplorer.comTools for Katana
EVM Contract Reader
Call view functions on any contract via your own RPC
Vanity Address Generator
Generate custom addresses — same key works on every EVM chain
Keccak-256 Hasher
Hash with the exact algorithm used by the EVM
ABI Encoder & Decoder
Encode calldata for contract interactions
EVM Unit Converter
Convert between wei, gwei, and the native token
Address Checksum (EIP-55)
Validate and checksum addresses to catch typos
Function Selector Calculator
Compute 4-byte selectors for function signatures
Multi-Chain Wallet Generator
Generate keys and addresses from one mnemonic
ENS Namehash Calculator
Derive EIP-137 namehash values for ENS names
Solidity to Opcodes
Compile Solidity and inspect the EVM assembly
Other EVM chains
All tools work on every EVM chain — pick yours: