ToolCard vs Iodine Canyon

一款集合多种常用小工具的 iOS 工具箱应用，所有功能均离线运行，保护您的隐私 A collection of useful tools for iOS,All features work offline to protect your privacy

The text and data operations that developers need most are also the ones most likely to require a browser search, a copy-paste workflow, and a tool that exits as soon as you close the tab. This app brings the most frequently needed operations into a single, fully offline environment that is ready the moment you open it. JSON formatting, Base64 encoding and decoding, URL encoding, CSV transformation, timestamp conversion, colour code translation — these are not complex operations, but they are operations that deserve a reliable home rather than a browser tab that will be closed accidentally. The interface prioritises speed and clarity over visual noise, and every operation returns a result you can act on immediately without switching context.