Toolsmith

Toolsmith is the essential toolkit for developers and technical users. Fast, offline, and beautifully designed — everything you need in one app. FREE TOOLS - Calculator — powerful dual-mode calculator with standard expression evaluation and programmer mode with bitwise operations - Base64 — Encode and decode Base64 strings instantly - SHA256 — Hash any text with industry standard SHA256 - URL Encode — Encode and decode URLs for use in web requests - UUID Generator — Generate v4 UUIDs individually or in bulk - Case Converter — Switch between camelCase, snake_case, PascalCase, kebab-case and more - Timestamp — Convert Unix timestamps to human readable dates and back POWER TOOLS — one-time unlock - JWT Decoder — Decode and inspect JSON Web Tokens, see header and payload instantly - Regex Tester — Test regular expressions with live match highlighting and position indicators - JSON Formatter — Format, minify and validate JSON with clear error messages WHY TOOLSMITH - Completely offline. No network requests, ever! - No ads, no subscriptions, no data collection - Works beautifully on iPhone and iPad - Optimised for both light and dark mode - Built on a high performance C++ core for instant results - One-time purchase to unlock Power Tools. Pay once, own forever Built by a developer, for developers.