Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.
8,505
stars
19,759
commits
TypeScript
primary language
Sep 9, 2026
updated

Hardhat is an Ethereum development environment for professionals. It facilitates performing frequent tasks, such as running tests, automatically checking code for mistakes or interacting with smart contracts.
Built by the Nomic Foundation for the Ethereum community.
💡 This is the README for Hardhat 3, the new major version of Hardhat. For the previous version (v2), see this branch instead.
To install Hardhat and initialize a new project, run the following command in an empty directory:
npx hardhat --init
This will take you through an interactive setup process to get started.
To learn more about Hardhat, check out the documentation.
Contributions are always welcome! Feel free to open any issue or send a pull request.
Go to CONTRIBUTING.md to learn about how to set up Hardhat's development environment.
(top 30 of 396)
TypeScript
96.1%
Solidity
1.9%
JavaScript
1.3%
Hardhat is a development environment to compile, deploy, test, and debug your Ethereum software.
8,505
stars
19,759
commits
TypeScript
primary language
Sep 9, 2026
updated

Hardhat is an Ethereum development environment for professionals. It facilitates performing frequent tasks, such as running tests, automatically checking code for mistakes or interacting with smart contracts.
Built by the Nomic Foundation for the Ethereum community.
💡 This is the README for Hardhat 3, the new major version of Hardhat. For the previous version (v2), see this branch instead.
To install Hardhat and initialize a new project, run the following command in an empty directory:
npx hardhat --init
This will take you through an interactive setup process to get started.
To learn more about Hardhat, check out the documentation.
Contributions are always welcome! Feel free to open any issue or send a pull request.
Go to CONTRIBUTING.md to learn about how to set up Hardhat's development environment.
(top 30 of 396)
TypeScript
96.1%
Solidity
1.9%
JavaScript
1.3%