String Utility BeltPremium launch, verified business

String Utility Belt turns a growing collection of browser-based text utilities into composable workflows: chain tools into pipelines and preview each step’s output live. Your text never leaves your browser, so no one else can see it. Go beyond the web app with a VS Code extension, CLI, MCP server, and Node.js library.

Each tool includes a detailed guide, examples, and an interactive playground. Use it for encoding, decoding, hashing, format conversion, and text manipulation. No software to install, no account creation, no third-party calls or scripts—security first.