
CyberChef
DevToys
CodeTray.dev
CodifyFormatter.org
DevToo.dev
Aptdot Developer Utilities
Lehuoliaoyu ToolHub
Fast, private developer tools in your browser. JSON formatter, Regex tester, Cron generator, and 17 more.

Rider
RAD Studio
Qt Creator
IntelliJ IDEA
Thunkable X
React Studio
Microsoft Visual Studio
Integrated environment for building not only native Android but iOS and Windows apps too.

Which is more popular?
Based on our record, Xamarin.Android seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | codeutil.dev | dotnet.microsoft.com |
| Pricing | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


CodeUtil.dev is a collection of 20+ browser-based developer tools. JSON formatter & validator, regex tester, cron expression generator, Base64 encoder/decoder, JWT debugger, URL parser, hash generator, and more. Everything runs client-side — no data leaves your browser. No sign-up needed,...
No description of Xamarin.Android yet.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing CodeUtil.dev and Xamarin.Android.
CodeUtil.dev's answer
CodeUtil.dev runs entirely in the browser — all processing happens on your device, so your data never touches a server. It bundles 20+ tools (JSON, regex, Base64, JWT, cron, hashing, and more) under one roof with zero sign-up. Just open the page and start working.
Share your experience with using CodeUtil.dev and Xamarin.Android. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking CodeUtil.dev since Mar 2026.
Take a look at https://dotnet.microsoft.com/en-us/apps/mobile. It will allow you to write Android apps in C# in Visual Studio. - Source: Hacker News / over 2 years ago
> It's not hardware. So now are kernel extensions also “applications”? > VSCode is an app that needs the .NET runtime, in order to run the code you write in e.g. C#. You could not possibly be more wrong. VSCode is written in Typescript.... - Source: Hacker News / about 3 years ago
Ah, so C# (and .NET) does have its answer to Qt, point taken. Source: over 4 years ago
When comparing CodeUtil.dev and Xamarin.Android, you can also consider the following products.


Rider is a cross-platform .NET IDE based on the IntelliJ platform and ReSharper.
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A collection of converters, formaters, encoders, generators and other tools for your Windows desktop.
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RAD Studio 10.2 with Delphi Linux compiler is the fastest way to write, compile, package and deploy cross-platform native software applications. Learn more.
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Fast, free developer tools. JSON formatter, Base64, JWT, Regex and more. Runs 100% in your browser.
Compare CodeTray.dev to CodeUtil.dev or Xamarin.Android:

Qt Creator is a cross-platform C++, JavaScript and QML integrated development environment. It is the fastest, easiest and most fun experience a C++ developer could wish for.
Compare Qt Creator to CodeUtil.dev or Xamarin.Android: