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Swift µframework for common Data + String operations
.package(url: "https://github.com/SwiftCommon/DataKit.git", from: "1.1.0")


Swift 5.0+ license Build Status codecov Carthage Compatible

Swift µframework for Data operations.

Getting started

On first checkout you best run: $ script/setup and when you're a regular user just: $ script/update. These scripts are also available through GNUMake: $ make setup & $ make update. For more info on the scripts checkout script/README.md

** Note: these scripts may update the Xcode project file and resolve the Package.resolved dependencies. You can also do this by running:
$ bundle install && bundle exec fastlane gen_xcodeproj



  • Base64 encode data blob
let data = Data(bytes: [0xc3, 0x98, 0x61, 0x62, 0x63, 0x64])
let base64encoded = Base64.standard.encode(data: data)
  • Base64 (URL and File safe) encode data
let data = Data(bytes: [0xc3, 0x98, 0x61, 0x62, 0x63, 0x64])
let urlSafeEncoded = Base64.urlSafe.encode(data: data, padding: .none)
  • Base64 decode data blob
let base64 = Data(bytes: [0x75, 0xF7, 0xAB, 0xE7, 0xAE, 0x9F, 0x14, 0x38, 0x63, 0x7C, 0x50, 0xD2, 0xB2, 0xCC, 0x2B, 0xAF, 0x0C, 0x30])
let data = try Base64.decode(data: base64) // Base64 decoded data or error
  • Base64 decode string
let base64 = "dfer566fFDhjfFDSsswrrwwwwsd"
let data = try Base64.decode(string: base64) // Base64 decoded data or error


  • Convert Data to UTF-8 or ASCII String
let data = Data(bytes: [0xc3, 0x98, 0x61, 0x62, 0x63, 0x64])
data.utf8string // -> "Øabcd"
data.asciiString // -> nil
  • Map Data to Hexidecimal String
let data = Data(bytes: [0xc3, 0x98, 0x61, 0x62, 0x63, 0x64])
data.hexString() // -> "C39861626364
  • Initialize Data with Hex String
let hexString = "C39861626364"
Data(hex: hexString) // -> [0xc3, 0x98, 0x61, 0x62, 0x63, 0x64]



Put this in your Cartfile:

  github "SwiftCommon/DataKit" ~> 1.0


Put this in your Package.swift:

   dependencies: [
      .package(url: "https://github.com/SwiftCommon/DataKit", "0.0.1" ..< "1.0.0")
   targets: [
         name: "YourAwesomeApp",
         dependencies: ["DataKit"]


To create the documentation run: bundle exec fastlane gen_docs and open ./docs/index.html


Feel free to check the TODO list and/or add your favourite missing Data related feature through a Pull request.


Licensed under the MIT license.


Stars: 5
Last commit: 5 days ago

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iOS Software Engineer @ Perry Street Software
Perry Street Software is Jack’d and SCRUFF. We are two of the world’s largest gay, bi, trans and queer social dating apps on iOS and Android. Our brands reach more than 20 million members worldwide so members can connect, meet and express themselves on a platform that prioritizes privacy and security. We invest heavily into SwiftUI and using Swift Packages to modularize the codebase.

Release Notes

1.1.0 - Long overdue maintenance
2 weeks ago

Thanks to @mfiebig and @dennishahn for making this release possible and keeping DataKit alive 🎉

  • [Tools] Add support for xcframeworks with Carthage for supporting all apple architectures with Carthage (@dennishahn)
  • [Migration] Change Fastlane to version v2.187 to be able to use Carthage with xcframeworks (@dennishahn)
  • [Migration] Change Danger to version v8.3.1 to solve underlying dependency conflicts of Fastlane version v2.187 (@dennishahn)
  • [Migration] Change Nimble to version v9.2.0 so that there are no conflicts with our other dependencies :) (@dennishahn)
  • [Migration] Add BUILD_LIBRARY_FOR_DISTRIBUTION: true to be able to have diffing swift versions (@dennishahn)
  • [Migration] Change iOS minimal version support to iOS v9 (which is minimal supported version for Xcode12) (@dennishahn)
  • [Fix] Buffer underrun (@mfiebig)

Swiftpack is being maintained by Petr Pavlik | @ptrpavlik | @swiftpackco | API