DevBox is a native macOS developer multi-tool. JSON formatting, Base64 encoding, URL encoding, UUID generation, hashing, and timestamp conversion — all in one clean window with instant, reactive results. No submit buttons, no web pages, no subscriptions.
Tools
JSON Formatter — pretty-print, minify, and validate with inline error messagesBase64 — encode/decode text, drag-and-drop file encodingURL Coder — encode/decode components or full URLsUUID Generator — v4 (random) and v1 (time-based), bulk generation up to 100, per-row copy buttonsHash Generator — MD5, SHA-1, SHA-256, SHA-512 from text or filesTimestamp Converter — Unix timestamp to date and back, live current timestamp, timezone supportWhy DevBox
100% native SwiftUI — fast, lightweight, looks right at home on macOSInstant results as you type — no submit buttonsKeyboard shortcuts ⌘1–⌘6 to switch toolsEverything runs locally — no network access, no telemetryDark and light mode