EthFiddle

EthFiddle is an online code editor that allows you to write, test, and share Solidity code for Ethereum. It is a web-based platform that allows users to write and execute Solidity code in their web browser without the need to install any additional software.

EthFiddle provides a number of useful features for Ethereum developers, including syntax highlighting, code formatting, and an integrated debugger.

It also allows you to connect to various Ethereum test networks, such as Rinkeby and Ropsten, in order to test code and deploy contracts. EthFiddle is a useful tool for developers who want an easy way to write and test Solidity code, as well as for those who want to share their code with others.