SwiftFiddle is an online playground for creating, sharing and embedding Swift fiddles (little Swift programs that run directly in your browser).
Visualize Swift AST and select nodes within the editor, a great way to learn about the structure of Swift syntax trees.
Format a Swift code, making it readable and pretty, with the proper indentation.
Online playground for swift-format. You can quickly try various configurations of swift-format online.
swift-format
For more information about swift-format, please see the repository.apple/swift-format