The developer tools you reach for every day, all in one place.

Converters, formatters, hashes, validators, and the small utilities you keep reopening stay together instead of getting lost across tabs.

GitHub

/ Tools

■

/ Tool Finder

109 tools

/ Private Key to Address

Security Warning

Never share your private key with anyone
Never enter your real private key on websites
This tool runs locally in your browser
Use only for testing and development purposes

Private Key (hex)

How it works: The Ethereum address is derived from the private key using elliptic curve cryptography (secp256k1). The public key is computed from the private key, then hashed with Keccak-256, and the last 20 bytes form the address.

/ Selected Tool

Private Key to Address

Convert private key to Ethereum address

■ 01

What is a Private Key?

A private key is a 256-bit (32-byte) random number that gives you control over an Ethereum account. Anyone with access to the private key has full control over the associated address and funds.

■ 02

How does it work?

Address Derivation The Ethereum address is derived from the private key in several steps: (1) Generate public key using ECDSA on secp256k1 curve, (2) Hash the public key with Keccak-256, (3) Take the last 20 bytes as th…

■ 03

Sample Case

Covers Example conversion so you can compare common inputs and outputs quickly.

/ Code

■

/ Integration

Source code from the selected tool, shown here alongside the live version on the right.

/ Source Code

TypeScript

typescript

// npm install viem

import { privateKeyToAddress, privateKeyToAccount } from 'viem/accounts';

// Convert private key to address
const privateKey = "0x1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef";
const address = privateKeyToAddress(privateKey as `0x${string}`);
console.log("Address:", address);
// Example: 0xb67C268fAC7C2Fba5eD461C8085008D75F5Db8A7