A simple, Python based, Base Converter. Convert any number into Decimal, Binary, Octal or Hexadecimal writing, just with a few clicks. This open-source converter is licensed under the Apache 2.0 License. While the interface is currently in French, you can easily modify the code to display text in any language.
Below, a screenshot of this code working:
You will need to download the .py file and execute it on a Python emulator, or, you can use Google Collaboratory (https://colab.research.google.com/) to test the code.