ethers.js

Complete Ethereum wallet implementation and utilities in JavaScript.

Features:

Keep your private keys in your client, safe and sound
Import and export JSON wallets (Geth and crowdsale) and brain wallets
Import and export BIP 39 mnemonic phrases (12 word backup phrases) and HD Wallets
Meta-classes create JavaScript objects from any contract ABI
Connect to Ethereum nodes over JSON-RPC, INFURA or Etherscan
ENS names are first-class citizens; they can almost always used instead of Ethereum addresses
Tiny (~77kb compressed; 227kb uncompressed)
Complete functionality for all your Ethereum needs
Extensive documentation
Large collection of test cases which are maintained and added to
MIT License (including ALL dependencies); completely open source to do with as you please

Installing

To use in a browser:

<script charset="utf-8"
        src="https://cdn.ethers.io/scripts/ethers-v2.min.js"
        type="text/javascript">
</script>

To use in node.js:

/Users/ethers/my-app> npm install --save ethers

Browse the API Documentation online.

Documentation is generated using Sphinx and can be browsed locally from the /docs/build/html directory.

I do this because I love it, but if you want to buy me a coffee, I won't say no. :o)

Ethereum: 0xEA517D5a070e6705Cc5467858681Ed953d285Eb9

Completely MIT Licensed. Including ALL dependencies.