DevToys: a tools collection for Windows developers

Martin Brinkmann
Dec 31, 2021
Windows software

DevToys is a free open source tools collection for developers for Microsoft Windows 10 and 11 devices. The Microsoft Store application can be downloaded and installed directly from the Store, or by downloading the latest version from the official GitHub repository.

The developer calls it the Swiss Army knife for developers. The application includes multiple tools that developers, but also non-developers, may find useful.

Tools are divided into the groups Converters, Encoders/Decoders, Formatters, Generators, Text and Graphic. Each section lists one or multiple tools that users can execute directly from within the application.

Each of the tools has a description attached to it when a group is opened, which explains the functionality. Converters, for example, support conversions between JSON and YAML data, and number base conversions.

One example: the number base converter displays decimal, hexadecimal, octal and binary values based on the input.

Most tools are useful to developers only, but some may also be of use to non-developers. The Text group of tools features a text diff tool that compares two texts and highlights the differences between the versions.

Inspector & Case Converter checks a text and converts the case of the text, and the Regex Tester may be useful for users who are learning regular expressions or want to test regular expressions.

Here is the full list of tools that are included currently:

  • Converters
    • Json <> Yaml
    • Number Base
  • Encoders / Decoders
    • HTML
    • URL
    • Base64
    • JWT Decoder
    • Formatters
    • Json
  • Generators
    • Hash (MD5, SHA1, SHA256, SHA512)
    • UUID 1 and 4
  • Text
    • Inspector & Case Converter
    • Regex Tester
    • Text Comparer
    • Markdown Preview
  • Graphic
    • PNG / JPEG Compressor


DevToys has a couple of other interesting options. Smart Detection, enabled by default, detects the best tool automatically based on the content that is copied to the clipboard. Users may switch between light and dark themes, change the system language, and change fonts and other visual settings of the application.

The developers of the application are adding more tools regularly to the tools collection. One of the main reasons for designing the application is they wanted to create a solution that may be run locally, so that developers don't have to use websites for their activities.

Closing Words

Developers who use Windows 10 or 11 may find the tools collection a useful application. Non-developers may find it useful as well in some cases.

Now You: which development tools do you use, if any? (via Deskmodder)

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  1. Ano said on December 31, 2021 at 11:13 am

    So, it is something like CyberChef ( but you need to install it? Why?

    1. No Thanks, Five Eyes said on January 2, 2022 at 2:45 am

      Maybe because people don’t want the data sent to GCHQ?

      1. Ano said on January 2, 2022 at 8:18 pm

        Have you even looked at the source code on GitHub? Where did you find the code that sends data yo GHCQ?

    2. afossionado said on January 1, 2022 at 10:39 pm

      I agree with you here – when I looked at the DevToys repository, and spotted that it has an installer, that was a turn off for me … in which case, CyberChef is much more appealing as a portable ZIP archive distribution

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