DevToys - A Swiss Army knife for developers [Windows]

DevToys is a collection of developer tools, which can be called the Swiss Army Knife of developers, which integrates many features that developers will use in their daily work. It also organizes these features into categories so you can quickly find and use them to improve your productivity.

Prerequisite: 
You need Windows 10 build 1903+ or later.

The following details are from Github: 

Introduction

DevToys helps in daily tasks like formatting JSON, comparing text, testing RegExp. No need to use many untruthful websites to do simple tasks with your data. With Smart Detection, DevToys is able to detect the best tool that can treat the data you copied in the clipboard of your Windows. Compact overlay lets you keep the app in small and on top of other windows. Multiple instances of the app can be used at once.

Many tools are available.

• Converters
  • JSON <> YAML
  • Number Base
• Encoders / Decoders
  • HTML
  • URL
  • Base64
  • GZip
  • JWT Decoder
• Formatters
  • JSON
  • SQL
  • XML
• Generators
  • Hash (MD5, SHA1, SHA256, SHA512)
  • UUID 1 and 4
  • Lorem Ipsum
  • Checksum
• Text
  • Inspector & Case Converter
  • Regex Tester
  • Text Comparer
  • Markdown Preview
• Graphic
  • Color Blindness Simulator
  • PNG / JPEG Compressor
  • Image Converter

... and more are coming!

For more information, please refer to the official website or Github.

Download here: 

Official Website 

GitHub 

Microsoft store