Hardhat

Ethereum development framework

frameworktestingcontracts

hardhat.orgUpdated 2026-11-02

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About

Hardhat is an Ethereum development framework with a full toolchain for compiling, testing, debugging and running a local network, plus a rich plugin ecosystem for team-scale projects.

A mature plugin ecosystem makes it the common choice for team projects. The debugger and console logging dramatically speed up debugging.

Main uses

Compile & test
Local network
Plugin ecosystem

Site info

CategoryDevelopers

TypeFramework

LanguagesEnglish

AccessCLI

FeesFree

FAQ

What is Hardhat?

An Ethereum development environment for testing, deployment and local chains, with a rich plugin ecosystem — a JS/TS staple.

Hardhat or Foundry?

Hardhat fits JS/TS teams; Foundry writes tests in Solidity and runs faster. Many teams mix both.

How do I reach the official Hardhat site safely?

The “Visit official site” button on this page points to Hardhat’s official address: hardhat.org. Fake clones are common in crypto — verify the domain and bookmark this page or the official URL.

Does Hardhat cost money?

Free

Visit official site ↗