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Ethers.js

A TypeScript and JavaScript library for interacting with Ethereum networks and implementing wallet functionality.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Ethers.js — OpenViST project profile in Developer Tools.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use it when a JavaScript or TypeScript application needs Ethereum network access, wallet handling, account utilities, transaction support, or smart-contract interaction.

Who it is for

  • JavaScript developers
  • TypeScript developers
  • Ethereum application builders
  • Teams creating wallet-enabled web or server-side applications

Documented uses

  • Connect an application to Ethereum nodes and provider services
  • Import and export Ethereum wallet formats and mnemonic-based wallets
  • Create JavaScript objects from smart-contract ABIs
  • Build Ethereum transaction, account, and contract-interaction utilities
  • Use ENS names in Ethereum application workflows
Before you choose

Requirements & limits

The project is publicly available as open-source software under the MIT License. The documentation describes shared default provider keys for initial development; these keys are intentionally throttled, and developers can obtain their own provider keys for greater capacity and additional provider features.

  • TypeScript is the primary language, with strict types described in the project documentation.
  • The library supports browser ESM and Node.js installation paths.
  • Tree-shaking is emphasized so bundlers can include only the needed functionality.
  • Provider access can use JSON-RPC, MetaMask, and several named third-party services.
  • Wallet support includes JSON wallets, mnemonic phrases, and HD wallets.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Install Ethers.js in a Node.js project

Add the ethers package to a Node.js project.

Before you start

  • A Node.js project with npm available.

Steps

  1. Open a terminal in the project directory.

  2. Run the command below.

    Documented command
    npm install ethers

  3. Import the installed package in the project as needed.

Expected outcome

The ethers package is added to the Node.js project for Ethereum development.

Guide limitations

  • This recipe documents installation only; it does not cover provider configuration or application execution.
Documentation 1 ↗
Source-based practical guide

Load the bundled library in a browser with ESM

Use the bundled browser library from the repository in a JavaScript module.

Before you start

  • A browser page that can run JavaScript modules.
  • The repository's ./dist/ethers.min.js bundle.

Steps

  1. Place or access the bundled library from the repository's ./dist/ folder.

  2. Add a module script to the page.

  3. Import ethers from ./dist/ethers.min.js.

Expected outcome

The browser page loads the bundled Ethers.js module.

Guide limitations

  • The documented example covers loading the bundle, not connecting to an Ethereum provider or building a complete dApp.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
1 October 2026
Original website title
ethers-io/ethers.js · Official homepage title · retained in its source language
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