DevToolsDevKit

The Swiss Army knife for developers. 19+ essential tools — JSON, Regex, converters, generators, and references — all offline, all in one app.

DevKit is the ultimate all-in-one developer toolkit designed for iOS. Whether you're a software engineer, web developer, or DevOps professional, DevKit puts 19+ essential tools right at your fingertips.

KEY FEATURES:

ENCODERS & DECODERS • JSON Formatter — Format, compact, and validate JSON with syntax highlighting • Base64 — Encode and decode Base64 strings instantly • URL Encoder — Encode and decode URL components • JWT Decoder — Decode JSON Web Tokens, inspect header/payload, check expiry • Hash Calculator — Generate MD5, SHA1, SHA256, SHA512 hashes

GENERATORS • UUID Generator — Generate UUID v4 with batch mode and history • Password Generator — Create strong passwords with customizable rules and strength meter • Lorem Ipsum — Generate placeholder text with configurable paragraphs

FORMATTERS & VIEWERS • Diff Compare — Side-by-side text comparison with highlighted changes • HTML Preview — Write and preview HTML in real-time • Markdown Preview — Live Markdown rendering with syntax support • String Utilities — Case conversion, character count, reverse, trim, and more

CONVERTERS • Base Converter — Binary, Octal, Decimal, Hex linked conversion • ASCII Table — Complete 128-character ASCII reference • IEEE 754 — Visualize floating-point bit representation • Unicode Lookup — Search characters by code point or range • Unit Converter — Length, weight, temperature, volume, and more • CSS Unit Converter — Convert between px, em, rem, %, pt, vw, vh • Byte Converter — Data size conversion with binary/decimal toggle

REGEX ENGINE • Live Regex Tester — Real-time pattern matching with flag controls • Pattern Library — 20+ built-in patterns for validation, networking, and more • Cheatsheet — Quick regex syntax reference • Favorites — Save your most-used patterns

CODE SNIPPETS • Save and organize code snippets by language and category • Syntax-aware editor with 20 language presets • Search, filter, and manage categories

MEDIA & VISION • QR Scanner — Scan QR codes and barcodes with your camera, instant results with copy support • Image Color Picker — Extract HEX, RGB, HSL color values from any photo in your library

PLUS • Beautiful dark mode support • Customizable accent colors • HTTP status code reference • Cron expression builder • Subnet calculator • Chmod permission calculator • All data stored locally — no account required, no data leaves your device

DevKit is designed for developers who want profess