With Xcode extensions, you can customize your development experience with powerful text-transformation features that appear right inside the source-code editor. Just install an extension and enable it via the appropriate setting below, then relaunch Xcode to unlock the new functionality.
In macOS Sonoma: Settings > Privacy & Security > Others > Extensions > Xcode Source Editor
Try these Xcode extensions:
Swiftify for Xcode
Objective-C to Swift Converter
Xformat
Clang Format app and extension
PrettyJSON for Xcode
Formatting JSON with Ease
Formatter: JSON for Xcode
Simple JSON Formatting
TabifyIndents for Xcode
Developer Tools
LanguageTranslator for Xcode
Developer Tools
Text Toolset
Adds more editor text tools
Pastery for Xcode
Developer Tools
TextPlus
Developer Tools
CodeCows
Developer Tools
Comment Wrapper for Xcode
Developer Tools
Revisor
Developer Tools
Gherkin Formatter Extension
Developer Tools
Propertizer
Developer Tools
NamingTranslator for Xcode
Developer Tools
Character Commands for Xcode
Developer Tools
Alignment for Xcode
Developer Tools
Soothe
Developer Tools
SwitchIt
Developer Tools
XCFormat
Code Formatter
Sourcery Pro
with Live AST Templates