Testpiler

Convert XCTests to Testing.fwk

Only for Mac

Free · In‑App Purchases

Mac

Testpiler is an app that allows you to easily convert unit tests written in Swift from XCTest to the new Swift Testing framework. Simply add a folder containing your unit tests, or add individual test files. You can preview a diff of the proposed changes so you know exactly what will happen. When you're ready, you can convert each source file individually, or convert all selected files in a batch. You can even fine tune migration options to fit your code style, such as whether the @Test attribute should be placed on a new line, or whether the `test` method prefix should be removed or kept. Testpiler's migration engine is built on top of the Swift compiler, so it has a deep and robust understanding of your code, making migration accurate and easy. We take privacy seriously, so Testpiler runs entirely on-device and your source code is not sent to any servers. The app doesn't have any analytics included, so if you find an issue with the migrator, we appreciate receiving any code snippets we can use to improve the migrator over time. Testpiler is a truly native Mac app written by indie developers for developers, and it's the best way to migrate your XCTestCases to Swift Testing today!

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- Updated design for macOS 26 and Liquid Glass

Version 1.1

The developer, Furnace Creek Software LLC, 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.

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    Information

    • Seller
      • Furnace Creek Software LLC
    • Size
      • 116.4 MB
    • Category
      • Developer Tools
    • Compatibility
      Requires macOS 14.0 or later.
      • Mac
        Requires macOS 14.0 or later.
    • Languages
      • English
    • Age Rating
      4+
    • In-App Purchases
      Yes
    • Copyright
      • © 2025 Furnace Creek Software
  • Developer Website
  • Privacy Policy

    • More by Furnace Creek Software LLC