If you need something to translate code from one language to another without having to install software, Refraction is a good option. The service supports 56 languages and can perform tasks like generating code, refactoring, finding bugs and translating code from one language to another. It's free and used by more than 13,000 developers, so it's a good option to build into your workflow.
Another good option is CodeConvert, a web-based service that can convert code from more than 25 programming languages. It offers high-quality conversions with no setup required, with free accounts able to perform 10 conversions, and paid accounts that let you use it as much as you want. It's good for developers who need to switch back and forth among languages, since it can save them time and hassle.
ZZZ Code AI is another all-purpose option that supports multiple languages, including AI tools for generating code, explaining code, debugging code and refactoring code. It's got limited free use, but it's available online and has a lot of features, so it's a good option for developers who want to automate as much of their coding as possible.
If you're looking for something more collaborative, check out RunCode. This cloud-based service offers a customizable coding environment that doesn't need to be installed, and it's got features like real-time collaboration and AI-powered code completion. It supports a wide range of programming languages, and it offers a secure, flexible coding environment for individuals and teams.