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.

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109 tools

/ ETH Unit Converter

Wei

1 Wei = 10⁻¹⁸ ETH

Gwei (Shannon)

1 Gwei = 10⁻⁹ ETH = 10⁹ Wei

ETH (Ether)

1 ETH = 10⁹ Gwei = 10¹⁸ Wei

/ Selected Tool

ETH Unit Converter

Convert between Wei, Gwei, and ETH

■ 01

Wei To Ether Fast

Convert between common Ethereum denominations without stopping to do mental math or open a second calculator.

■ 02

Safer Value Checks

Useful when verifying balances, fee amounts, token values, and human-readable outputs during everyday Web3 work.

■ 03

Less Context Switching

Keep the unit conversion step in the same builder workspace so small value checks do not break your implementation flow.

/ Code

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/ Integration

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

/ Source Code

TypeScript

typescript

// npm install viem

import { parseEther, parseGwei, formatEther, formatGwei } from 'viem';

// Convert ETH to Wei
function ethToWei(eth: string): bigint {
  return parseEther(eth);
}

// Convert Wei to ETH