Calculator: What will the planned tax reform bring you?

https://static.rndtech.de/share/rnd/datenrecherche/rechner/kommenssteuer/index.html Recently someone created a post that referred to the Calculator of Time. This could only be used with a subscription. I found a free alternative here. The calculator apparently compares the burden according to current law and according to the 2026 tax form. Info: I have nothing to do with the calculator or the content, nor do I know whether the calculation behind it is correct. Just looking for one