Blockchain Tools

Blockchain tools for crypto & Web3. Generate wallets, validate addresses, decode transactions, and explore blockchain data securely.

16 tools available

Blockchain Tools 16

ENS Resolver

Free ENS resolver to lookup Ethereum Name Service domains and wallet addresses. Convert ENS names to addresses and reverse lookup addresses to ENS names instantly.

Blockchain Timestamp Converter

Convert blockchain timestamps to human-readable date and time. Convert Unix timestamps to datetime and vice versa for Ethereum, Bitcoin, and all EVM-compatible blockchains.

Keccak SHA3 Hasher

Generate Keccak-256, Keccak-512, SHA3-256, SHA3-512 hashes online. Free Ethereum-compatible hash tool for smart contracts and blockchain development.

ABI Encoder / Decoder

Encode and decode Ethereum smart contract function call data. Convert ABI signatures to calldata and decode transaction input data.

Checksum Address Converter

Convert Ethereum addresses to EIP-55 checksum format. Validate and format ETH, BSC, Polygon addresses with mixed-case checksums for error detection.

EVM Vanity Address Generator

Generate custom EVM vanity addresses with personalized prefix/suffix. Create unique Ethereum, BSC, Polygon addresses. Fast, secure, browser-based tool.

Lido Rewards Tracker

Track your Lido stETH staking rewards in real-time. Monitor multiple wallets, view reward history, and export data in USD, EUR, or GBP.

Bitcoin Unit Converter

Convert Bitcoin units instantly: BTC, satoshi, mBTC, bits and more. Free online converter with fiat currency support and precise calculations.

EVM Transaction Decoder

Decode EVM raw transaction hex for Ethereum, BSC, Polygon, Arbitrum, Optimism, Avalanche. View transaction details, gas, value, data, and signatures.

Staking Rewards Calculator

Calculate staking rewards with live APY rates from Lido, Rocket Pool, Ether.fi, Aave. Estimate daily, weekly, monthly and yearly returns.

BIP39 Mnemonic

Generate and validate BIP39 mnemonic seed phrases. Create secure 12-24 word recovery phrases for crypto wallets. Convert mnemonic to seed hex instantly.

Crypto Address Validator

Validate cryptocurrency addresses for Bitcoin, Ethereum, Solana, Cardano, and 10+ blockchains. Auto-detect address format and verify validity instantly.

Crypto Logo Library

Browse 500+ cryptocurrency logos in high quality. Search Bitcoin, Ethereum, and all major crypto coin icons. Free download for developers.

Ethereum Unit Converter

Convert Ethereum units instantly: Wei, Gwei, Ether and more. Free online converter for EVM units with precise calculations for gas prices.

Mnemonic to Address

Derive wallet addresses from BIP39 mnemonic for Bitcoin, Ethereum, Solana, XRP, TRON, Dogecoin, Cardano and more. 100% client-side, secure.

Solidity Function Selector

Generate Solidity function selectors from signatures. Convert function names to 4-byte selectors and event signatures to Topic0. Lookup common selectors instantly.