Tax-free allowances are your best friend when it comes to tax optimization – they directly reduce the portion of your income that gets taxed. The basic allowance of €12,348 (2026) means specifically: if you earn €50,000 a year, only €37,652 gets taxed. As an employee, that automatically saves you around €2,700 in taxes.
The most important allowances you should know: the employee flat-rate allowance (€1,230) is automatically taken into account, even if you don't prove any work-related expenses. The saver's flat-rate allowance (€1,000) makes capital gains up to this amount tax-free – don't forget to set up an exemption order with your bank! For parents, there's the child tax allowance (€6,828 per child, plus €2,928 childcare/education allowance = €9,756 total), which is automatically offset against child benefit.
Practical tip: you can have an allowance registered with the tax office if you regularly have high expenses. For example, if you commute 35 km to work, you have work-related expenses of around €2,940 (220 days × 35 km × €0.38). After deducting the flat-rate allowance of €1,230, €1,710 remains, which you can register as an allowance. At a marginal tax rate of 35%, that brings you around €50 more net income per month.