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DevToys-app

DevToys-app/DevToys

A desktop Swiss Army knife for developers, bundling about 30 small tools for encoding, formatting, converting, testing and generating data.

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What is it?

DevToys is a desktop app that groups many small, single-purpose utilities for everyday development work, so you don't need to paste data into random online sites to decode a string or format a JSON document. Its tools cover converters such as JSON to YAML and number bases, encoders and decoders for Base64, URLs, JWT and QR codes, formatters for JSON, SQL and XML, and generators for hashes, passwords and Lorem Ipsum text.

The app includes Smart Detection, which inspects the clipboard and suggests the most suitable tool for the data it finds. Additional tools can be added through extensions, and the project documents how to develop your own.

The app is built with C#, WinUI and Blazor, and the README lists Windows, Linux and macOS as target platforms, with a separate macOS version developed by a contributor.

Key features

  • 01Around 30 built-in tools for converting, encoding, formatting and testing data.
  • 02Smart Detection suggests a suitable tool based on clipboard content.
  • 03Extensible through plugins for adding custom tools.
  • 04Covers Windows, Linux and macOS.

Use cases

  • Decoding Base64 or inspecting a JWT without using an online website.
  • Formatting or validating JSON, SQL or XML snippets during debugging.
  • Generating test passwords, hashes or placeholder text.
  • Testing regular expressions or JSONPath queries against sample data.

Things to know

  • The README does not document how to install or build the app.

Topics

#developer-tools#desktop-app#csharp#winui#cross-platform#encoding#formatter#utilities#blazor#desktop

FAQ

What is DevToys?
A desktop Swiss Army knife for developers, bundling about 30 small tools for encoding, formatting, converting, testing and generating data. DevToys is a desktop app that groups many small, single-purpose utilities for everyday development work, so you don't need to paste data into random online sites to decode a string or format a JSON document. Its tools cover converters such as JSON to YAML and number bases, encoders and decoders for Base64, URLs, JWT and QR codes, formatters for JSON, SQL and XML, and generators for hashes, passwords and Lorem Ipsum text.
Is DevToys free to use? What license does it have?
DevToys is open source under the MIT license. Check the license terms before using it in commercial products.
Is DevToys still maintained?
Actively maintained. The last commit to DevToys was on Sep 29, 2026.
What can I use DevToys for?
Decoding Base64 or inspecting a JWT without using an online website. Formatting or validating JSON, SQL or XML snippets during debugging. Generating test passwords, hashes or placeholder text. Testing regular expressions or JSONPath queries against sample data.
Where can I get DevToys?
The source code and installation instructions are on GitHub: https://github.com/DevToys-app/DevToys

Summary generated by AI from the project's README. GitHub stats refresh daily.

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