Dev Tools Kit

JSON, Base64, hash, JWT & more

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Dev Tools Kit is a handy toolbox for developers. Stop jumping between websites to format JSON, decode Base64 or test a regex. Keep a clean set of offline tools right on your iPhone. --------------------------------------------------- FREE TOOLS --------------------------------------------------- • JSON Formatter – Pretty-print or minify JSON. • Base64 – Encode and decode strings. • UUID Generator – Generate random UUID v4. • String Case – Convert text to camelCase, snake_case, kebab-case, Title Case, and more. • Number Base – Convert between binary, octal, decimal and hex. • HTML Encoder – Encode and decode HTML entities. • Password Generator – Generate secure random passwords. • Chmod Calculator – Build Unix permission strings with a visual editor. • QR Code Generator – Turn any text or URL into a QR code. • Text Statistics – Count characters, words, sentences, reading time, and more. --------------------------------------------------- PRO TOOLS (one-time purchase) --------------------------------------------------- • Regex Tester – Test and debug regular expressions on sample text. • URL Encoder – Encode / decode URLs. • Timestamp – Convert timestamps to readable dates and back, in any timezone. • Hash Generator – Compute MD5, SHA-1 and SHA-256. • JWT Decoder – Inspect JSON Web Tokens in a readable format. • Text Diff – Compare two texts line by line, or word by word. • Color Converter – Convert colors between HEX, RGB, HSL and Swift Color(…). • Lorem Ipsum – Generate placeholder text by words, sentences or paragraphs. • CRON Parser / Builder – Read and compose CRON expressions with a visual editor. • CSV ↔ JSON – Convert between CSV and JSON formats. --------------------------------------------------- DESIGNED FOR DEVELOPERS --------------------------------------------------- • Search, pin favorites, and reorder tools to fit your workflow. • Share text from any app directly into a tool via the Share Extension. • Clean, fast interface — inputs are remembered between sessions. • 100% offline — nothing is sent to any server. • One-time purchase, no subscriptions. • Future Pro tools included in the price. Dev Tools Kit is the small utility app you open dozens of times a week while coding, debugging or reviewing data.

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Version 0.2 — Major update New tools: • HTML Encoder – Encode and decode HTML entities. • Password Generator – Configurable length, uppercase, digits, symbols. • CRON Parser / Builder (Pro) – Read and visually compose CRON expressions. • Chmod Calculator – Toggle r/w/x bits and get the octal instantly. • QR Code Generator – Any text or URL, shareable directly. • Text Statistics – Characters, words, reading time, and more. • CSV ↔ JSON (Pro) – Bidirectional conversion between CSV and JSON. New features: • Favorites — Star any tool to pin it at the top of the list. • Search bar — Filter tools by name from the home screen. • Recents — Your last used tools appear at the top for quick access. • Spotlight Search — Open any tool directly from iOS Search. • Share Extension — Share text or URLs from any app into a tool. • Drag & drop — Drop text directly into any input field. • Input history — Last input is remembered across sessions for all tools. Tool improvements: • Color Converter — Now outputs HSL and Swift Color(…); Copy copies all formats at once. • Timestamp — Timezone selector with 25 popular zones. • Text Diff — New word-by-word diff mode. • Regex Tester — Match list is no longer capped at 50. • Haptic feedback — Subtle tap on every action button across all tools.

The developer, Kevin Cabon, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

Seller
  • Kevin Cabon
Size
  • 2.2 MB
Category
  • Developer Tools
Compatibility
Requires iOS 17.6 or later.
  • iPhone
    Requires iOS 17.6 or later.
  • iPad
    Requires iPadOS 17.6 or later.
  • Mac
    Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.3 or later.
Languages
  • English and French
Age Rating
16+
  • 16+
  • Contains
    Unrestricted Web Access
    User-Generated Content
In-App Purchases
Yes
Copyright
  • © Cabon Kevin