Converters & Decoders

Transaction Decoder

Analyze and decode EVM transactions aiding in transaction analysis and debugging.

Hashing Utils

Derive hashes from text such as keccak256, sha256, sha512.

Merkle Tree Generator

Construct merkle trees and verify proofs using openzeppelin library.

Gas Converter

Convert between various gas units (wei, gwei, eth) for smart contracts on the EVM networks.

Bytes & String Converter

Convert between strings and bytes.

Deterministic Contracts

Generate contract address for next contract deployment from an address.

Hex Converter

Decimal to hex and binary converter.

Bit Manipulation

Perform bit manipulation, apply mask for upto 256 bit integers.

Epoch Converter

Time helpers, seconds converter, convert between unix timestamp and readable date format.

Wallets & Signatures

EIP-712

EIP-712 is a protocol for hashing and signing of typed structured data instead of just bytestrings.

ERC-191

This ERC proposes a specification about how to handle signed data in Ethereum contracts.

Burner Wallet

Generate random private and public key pairs for EVM chains.

Mimic Wallet

Mimic (EOA or multisig) address connection to any dapp using wallet connect.

ZK

ZK Boilerplate

ZK Boilerplate dapps using snarkjs and circom.

DeFi

Uniswap Utils

Derive token price from tick or sqrtX96.

Uniswap V4 Hooks Checker
New

Check which Uniswap V4 hooks are enabled from the hook address.

Miscellaneous

Checksum Address

Convert EVM addresses to checksum format.

Cheatsheet

Solidity helpers such uint, int max values, zero address, etc.

Shamir Secret Demo

Shares can be used to reconstruct the secret when a threshold of shares are combined.

Address Book

Store your favorite EVM address in local storage for easy access.

Market Data

Check crypto prices, market cap and save your watchlist.