Base64 Decode Windows Tool

Posted: May 2, 2023  |  Categories: Other Tools

In our Integration projects, especially nowadays on Azure Integration Services, sometimes we have the need to work with Base64 strings format. This is very common in some connectors inside Logic App, where the request or response is in Base64, like the Service Bus or the HTTP. And when we need to debug or troubleshoot our solution or business process, we need to understand what is the request and response payload. That means that we need most of the time to decode the Base64 string.

And I know what you guys are thinking… I also was thinking that way! Why do you need a Windows tool if we have plenty of online tools like https://www.base64decode.org/ that can easily do the job simply and fashionably?

And my straightforward and honest answer is privacy/security! The problem with using these online tools is that we never know behind the scenes what they are doing. Are you sure that they are not keeping logs of the inputs we provide and the result outputs? That is the magic question because we often have sensitive (private) information on those Base64 strings, like a connection string or usernames and passwords. And we need to be careful about where we put this information.

I have an amazing Ethical hacking friend, Nino Crudele, and every time I speak with him about security, I’m always more suspicious about how to use specific tools available on the web or, in general, how to secure my personal stuff and my solutions. And even speaking with Michael Stephenson, something that we try to do regularly, we share these concerns, and it was Michael that raised my suspicions about the decode online tools. Since that talk, I have stopped using them and decided to create my personal tool.

Base64 Decode Windows tool

This is a very simple Windows tool that allows you to decode your data. This is a handy tool if you have to deal with Base64 format.

To not raise the same suspicions about this tool, the source code is available on GitHub!

Download

Hope you find this useful! So, if you liked the content or found it useful and want to help me write more content, you can buy (or help buy) my son a Star Wars Lego! 

Credits

  • Luis Rigueira | Member of my team and one of the people responsible for developing this tool.
Author: Sandro Pereira

Sandro Pereira lives in Portugal and works as a consultant at DevScope. In the past years, he has been working on implementing Integration scenarios both on-premises and cloud for various clients, each with different scenarios from a technical point of view, size, and criticality, using Microsoft Azure, Microsoft BizTalk Server and different technologies like AS2, EDI, RosettaNet, SAP, TIBCO etc. He is a regular blogger, international speaker, and technical reviewer of several BizTalk books all focused on Integration. He is also the author of the book “BizTalk Mapping Patterns & Best Practices”. He has been awarded MVP since 2011 for his contributions to the integration community.

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