DevKit Offline

DevKit Offline Your everyday developer toolbox — completely offline. DevKit Offline brings essential developer utilities together in one fast, privacy-focused iOS app. No accounts, no cloud processing, and no internet connection required for the core tools. Whether you're debugging an API, inspecting JSON, generating Swift models, checking hashes, testing Regex, or working with encoded data, DevKit Offline gives you practical tools directly on your iPhone. DEVELOPER TOOLS • Model Class Generator Convert JSON response payloads into model classes for Swift, Kotlin, Python and more. • JSON Formatter & Validator Beautify, minify, validate and organize JSON data. • JWT Decoder Inspect JWT headers, payloads and claims locally. • Hash Generator Generate hashes including MD5, SHA-1, SHA-256 and SHA-384. • Base64 & URL Encoding Encode and decode Base64 and URL data. • AES-GCM Cryptography Work with AES-GCM encryption using native device capabilities. • Regex Tester Test regular expressions and inspect matches. • Unix Timestamp Convert Unix timestamps between readable dates and epoch values. DATA & FORMATTING • UUID Generator Generate UUID identifiers locally. • Color Converter Convert HEX, RGB, HSL and SwiftUI color values. • SQL Formatter Format and organize SQL queries. • XML Formatter Validate, format and indent XML documents. • Text Diff Compare two pieces of text side by side. • Text Utilities Count characters, words, bytes and other useful text metrics. • Markdown Preview Preview formatted Markdown content. • Number Base Converter Convert values between Binary, Octal, Decimal and Hexadecimal. DEVELOPMENT UTILITIES • Random Mock Data Generate synthetic data for development and testing. • QR & Barcode Studio Create QR codes and barcodes directly on your device. • REST API Client Test API endpoints, query parameters, headers and request bodies. • Git & GitHub Visual Guide Understand common Git workflows through visual guides. • File Inspector & Checksums Inspect local files and calculate checksums. BUILT FOR PRIVACY DevKit Offline is designed around local processing. Your developer data stays on your device while using the offline tools. There is no need to upload JSON payloads, API responses, tokens or code snippets to a remote server. No account required. No cloud dependency. No tracking for the core offline tools. MADE FOR DEVELOPERS From quick debugging tasks to everyday development utilities, DevKit Offline puts frequently needed tools in one place. DevKit Offline — developer tools, wherever you code.