DevKit - Developer Utilities

DevKit: Essential Developer Tools, 100% Offline

Stop juggling browser tabs. DevKit puts 30 powerful development utilities in your pocket—all working completely offline with privacy-first design.

PRIVACY-FIRST DESIGN
> 100% Offline: Every tool works without internet. Your data never leaves your device.
> Local Storage Only: All processing happens on your device. No servers, no tracking.
> No Personal Data Collection: We don't collect, store, or transmit any of your work.

30 ESSENTIAL TOOLS

FORMATTERS
> JSON Formatter: Beautify or minify JSON with error highlighting and tree view
> HTML Formatter: Beautify, minify, and preview HTML with live rendering
> CSS Formatter: Format and validate CSS with syntax highlighting
> JS Formatter: Format and minify JavaScript
> XML Formatter: Format and validate XML documents
> SQL Formatter: Format and validate SQL queries

PARSERS & DEBUGGERS
> JWT Debugger: Decode tokens, inspect headers and payloads, verify signatures
> Cron Parser: Parse cron expressions with next run calculations
> Certificate Decoder: Decode X.509 certificates

ENCODERS & DECODERS
> Base64: Encode and decode Base64 strings
> URL Encoder: Encode, decode, and parse URLs
> HTML Encoder: Handle HTML entities
> Hash Generator: Generate MD5, SHA-1, SHA-256, SHA-512 hashes
> Backslash Escape: Escape and unescape special characters

CONVERTERS
> Timestamp: Convert Unix timestamps to readable dates
> Case Converter: Transform between camelCase, snake_case, UPPER CASE, and more
> Color Converter: Convert between HEX, RGB, HSL with live preview
> YAML ↔ JSON: Convert between YAML and JSON with tree view
> Number Base: Convert between Binary, Octal, Decimal, Hexadecimal
> Hex ↔ Text: Convert between hex and ASCII
> CSV ↔ JSON: Convert between CSV and JSON

GENERATORS
> UUID/ULID Generator: Create UUIDs and ULIDs instantly
> QR Code: Generate customizable QR codes and export as images
> Lorem Ipsum: Generate placeholder text
> Random String: Generate secure passwords and API keys

PRO-TIER UTILITIES
> Diff Checker: Compare text with highlighted differences
> RegEx Tester: Test regex with live match highlighting
> Markdown Previewer: Preview Markdown with GitHub Flavored support
> Line Sort: Sort and deduplicate lines
> String Inspector: Analyze string statistics

BUILT FOR MOBILE
> Smart History: Auto-saves recent work (10 items free, unlimited with Pro)
> Instant Paste: Smart clipboard detection
> Quick Actions: One-tap copy, clear, share
> Native Performance: Blazing fast, no loading screens
> Light & Dark Modes: Beautiful design for any environment
> Organized by Category: Easy browsing and discovery

FLEXIBLE PRICING
Pro: $9.99/month or $39.99/year (save 67%)
3-Day Free Trial | Cancel anytime

PERFECT FOR:
> Mobile developers debugging on the go
> DevOps engineers managing infrastructure
> Web developers formatting data
> QA testers generating test data
> Anyone needing dev tools without internet

WHY DEVKIT?
> 100% offline—no Wi-Fi required
> Privacy-focused—data stays on device
> Fast & reliable native performance
> Regular updates with new tools
> No ads, ever
> Built by developers, for developers

Download DevKit and take your essential tools anywhere.

Terms of Use: Apple's Standard EULA (https://www.apple.com/legal/internet-services/itunes/dev/stdeula/)