tldiagram vs DevForge

Software system-architecture diagramming app that helps engineering teams design, debug, and communicate complex distributed systems. tldiagram makes it easy to create nested views of a complex system with higher detail as you go deeper that can be zoomed in and out to give you the context you need without the noise.

DevForge — The Developer Toolkit A native, fully offline collection of essential developer tools for iOS and macOS. No account required, no internet connection needed. Everything runs on your device. FORMATTERS Clean up messy code in one tap. - JSON Formatter — pretty-print with syntax highlighting and interactive tree view - YAML Formatter — normalize indentation and structure - XML Formatter — indent and format XML documents - SQL Formatter — keyword-based clause formatting for readable queries GENERATORS Create what you need instantly. - Password Generator — length, charset, and strength controls - UUID Creator — UUID v4 in bulk, copy all or individually - ObjectId Creator — MongoDB-compatible ObjectId generation - QR Code Generator — generate and share QR codes for any text or URL - Lorem Ipsum Generator — paragraphs, words, or sentences on demand - Cron Expression Builder — visual builder with human-readable description ENCODERS & CRYPTO Encode, decode, hash, and encrypt. - Base64 — encode and decode with URL-safe mode toggle - URL Encoder/Decoder — RFC 3986 and form-encoded modes - Hash Generator — MD5, SHA-1, SHA-256, SHA-384, SHA-512 - AES Encryption — AES-128/192/256 with CBC and GCM modes - JWT Decoder — decode header, payload, and verify expiry status CONVERTERS Switch between formats with ease. - Timestamp Converter — Unix epoch ↔ human date, per-row copy - Number Base Converter — binary, octal, decimal, hex with auto-prefix detection - Data Size Converter — decimal and binary units including bits - Text Case Converter — 9 case formats including camelCase, snake_case, Title Case - YAML ↔ JSON — bidirectional conversion - Color Picker — HEX, RGB, HSB, HSL, SwiftUI, and UIColor code output TEST & ANALYSIS Debug smarter. - Regex Tester — live match highlighting, capture groups, flags - Diff Checker — side-by-side line diff with added/removed highlighting KEY FEATURES - Fully offline — all processing happens on-device - Native SwiftUI for iOS and macOS - No account, no sign-in, no tracking - Clean, distraction-free interface - Favorites — star your most-used tools for quick access FREE & PRO The free version includes all core features. Upgrade to Pro (one-time purchase) to unlock bulk operations, history, and export capabilities.