EVM Tools
World Chain Developer Tools
World Chain is the OP Superchain L2 built by Worldcoin. Prioritizes verified humans over bots — World ID holders get gas priority.
Chain details
Chain ID
480Native token
Ether (ETH)Type
L2Gas
Gas paid in ETH, human-priority blocks
RPC endpoint
https://worldchain-mainnet.g.alchemy.com/publicBlock explorer
https://worldscan.orgTools for World Chain
Every tool below works on World Chain and every other EVM chain — read any World Chain contract, decode World Chain calldata before signing, or convert wei to ETH with exact math. All client-side — keys and payloads never upload.
EVM Contract Reader
Call view functions on any World Chain contract via your own RPC
EVM Calldata Decoder
Decode World Chain transaction input — function and arguments, before you sign
Transaction Decoder
Break out a signed World Chain transaction: sender, gas, fees, calldata
ABI Encoder & Decoder
Encode calldata for World Chain contract interactions
Function Selector Calculator
Compute 4-byte selectors for function signatures
EVM Unit Converter
Convert wei, gwei, and ETH with BigInt-exact math
Vanity Address Generator
Generate custom addresses — same key works on World Chain and every EVM chain
Address Checksum (EIP-55)
Validate and checksum World Chain addresses to catch typos
CREATE2 Address Calculator
Derive deterministic contract addresses before deploying to World Chain
EIP-1967 Proxy Slot Checker
Read implementation and admin slots of World Chain proxies
Storage Slot Calculator
Compute Solidity storage slots for World Chain contract state probes
Uniswap Math Calculator
v2/v3/v4 pool math — amounts out, ticks, sqrtPrice
Uniswap v4 Hook Calculator
Map hook addresses to their permission flags
Keccak-256 Hasher
Hash with the exact algorithm used by the EVM
Multi-Chain Wallet Generator
Generate keys and World Chain 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: