Rextester

Rextester: Online Compiler & Editor for Multiple Programming Languages

Rextester is an online compiler and editor for various programming languages that allows users to write and execute code snippets without installing anything. It supports over 20 languages including C, C++, Java, Python, C#, VB.NET, PHP, Perl, Ruby, Swift, and more.

What is Rextester?

Rextester is an online integrated development environment (IDE) and compiler that allows users to write, run, and test code snippets in various programming languages. It was created to provide an easy way for developers, students, and hobbyists to test small code samples without having to install compilers or editors on their own machines.

Some key features of Rextester include:

• Support for over 20 programming languages - Including popular options like C, C++, Java, Python, JavaScript, C#, VB.NET, PHP, Perl, Ruby, Swift and more.
• Real-time code compilation and execution - Code can be written and run directly inside the browser with live output visible.
• Customizable compiler/runtime configurations - Options to select compiler mode, compiler warnings, runtime version for some languages.
• Shareable shortlinks - The ability to generate shortlinks for saving or sharing code snippets.
• Keyboard shortcut support - Shortcuts for common editor operations like format, compile, run etc.
• Authoring tool integration - Integration with content authoring platforms like WordPress to embed executable code blocks.
• Desktop-style IDE experience - Features like syntax highlighting, line numbers, text wrap, themes make it productive.

With a simple and intuitive interface along with multi-language support, Rextester makes it easy for coders to quickly test out ideas without complex setups. Its availability as a free online web application also makes Rextester a valuable tool for learning and experimenting with programming languages.

Rextester Features

Official Links