Your tax bill for 2025 might look different. Vithun Khamsong / Getty Images Close KEY TAKEAWAYS Some workers may want to adjust the amount they withhold for taxes from their last few paychecks of the year, since new laws will change how much many will owe for 2025. The "One Big, Beautiful Bill" introduced new tax breaks and updated others to be more generous, resulting in lower 2025 tax bills or higher refunds for certain taxpayers. When you lower the amount of taxes being withheld on your paychecks, that m ...