Developer Toolbox

Dev utilities

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

Developer Toolbox brings everyday utilities together: Base64, JSON, URL encoding, Hash/HMAC, Regex, JWT, HTTP client, timestamps and more. Developer Toolbox - fast, privacy‑friendly developer utilities for iOS & iPadOS. Free tools: Base64 encoder, color converter, font preview, JSON formatter, URL encoder. Plus unlock code formatter, hash/HMAC generator, QR codes & more. All processing happens locally. Your data never leaves your device. Terms of Use/EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

  • This app hasn’t received enough ratings or reviews to display an overview.

The developer, Marius Tanko, 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 Collected

    The developer does not collect any data from this app.

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

    The developer indicated that this app supports the following accessibility features. Learn More

    • Supported Features

      • Dark Interface

    Seller
    • Marius Tanko
    Size
    • 4.7 MB
    Category
    • Developer Tools
    Compatibility
    Requires iOS 26.0 or later.
    • iPhone
      Requires iOS 26.0 or later.
    • iPad
      Requires iPadOS 26.0 or later.
    • Mac
      Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
    Languages
    • English
    Age Rating
    13+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Marius Tanko