DevKit Pro - Developer Tools

JSON, JWT, Base64, QR, & more.

Free · In-App Purchases · Designed for iPad

Essential developer tools: JSON, JWT, Base64, QR codes, and more. DevKit Pro: The Ultimate Developer Toolkit Supercharge your development workflow with DevKit Pro, the all-in-one suite of essential utilities designed for developers, engineers, and tech enthusiasts. Stop juggling countless browser tabs and clunky websites—get the tools you need, right in your pocket, available anytime, anywhere. Whether you're debugging an API response, decoding a token, or generating a QR code for a demo, DevKit Pro is your fast, private, and powerful companion for everyday technical tasks. KEY FEATURES: All-in-One Tool Suite Get instant access to the most frequently used developer utilities in a single, beautifully designed app. JSON Formatter & Validator: > Beautify or minify JSON with a single tap. > Instantly validate your data structures and catch syntax errors. > Intelligent error highlighting shows you exactly where the problem is. JWT Debugger: > Decode JSON Web Tokens to inspect headers and payloads. > Verify token signatures using HS256, HS384, or HS512 algorithms. > Quickly check expiration dates and claims. Base64 Encoder & Decoder: > Effortlessly encode plain text to Base64 or decode Base64 strings back to their original form. QR Code Generator: > Instantly create QR codes from any text, URL, or data. > Customize the size and easily share the generated QR code image. Timestamp Converter: > Convert Unix timestamps (in seconds or milliseconds) to human-readable dates. > View conversions in UTC, your local timezone, and relative time. > Get the current Unix timestamp with a single tap. Designed for Productivity > Privacy-First: All processing happens directly on your device. Your data is never sent to a server. > History: Automatically saves your recent tool usage locally for quick access. (Upgrade to Unlimited for unlimited history). > Blazing Fast: Native performance means no waiting for websites to load. > Clean & Intuitive UI: A minimalist interface that's easy to navigate, with both Light and Dark modes. > Copy & Paste Workflow: Optimized for your mobile workflow with quick paste, copy, and clear buttons. Terms of Use: Apple's Standard EULA (https://www.apple.com/legal/internet-services/itunes/dev/stdeula/)

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The developer, Alexander Herdt, 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:

    • Purchases
    • Diagnostics

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

Accessibility

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

Information

  • Provider
    • Alexander Herdt
  • Size
    • 33.6 MB
  • Category
    • Developer Tools
  • Compatibility
    Requires iOS 15.1 or later.
    • iPhone
      Requires iOS 15.1 or later.
    • iPad
      Requires iPadOS 15.1 or later.
    • iPod touch
      Requires iOS 15.1 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Languages
    • English
  • Age Rating
    4+
  • In-App Purchases
    Yes
    • Unlimited Monthly ₦ 14,900.00
    • Unlimited Yearly ₦ 129,900.00
    • Learn More
  • Copyright
    • © 2025 Alex Herdt
  • Developer Website
  • Privacy Policy