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File Form 1040 or request an extension. Extensions do not extend payment.
First quarterly payment for self-employed and investors.
Second quarterly payment covering April–June income.
Third quarterly payment covering July–September income.
Final filing deadline if you requested a 6-month extension.
Final quarterly payment covering October–December 2026 income.
Inflation adjustments, SECURE 2.0 provisions coming online, and pending legislation to watch.
The 2025 standard deduction rose to $15,000 single / $30,000 married filing jointly / $22,500 head of household. 2026 amounts adjust again for inflation. Most filers continue to take the standard deduction rather than itemizing.
2025 elective deferral limit is $23,500 (catch-up $7,500 if 50+; new $11,250"super catch-up" for ages 60-63 under SECURE 2.0). 2026 limits are set to adjust with inflation.
2025 Traditional/Roth IRA limit is $7,000 ($8,000 if 50+). Roth income phaseouts continue to widen with inflation.
2025 HSA limits: $4,300 self-only / $8,550 family, with $1,000 catch-up at 55+. HSAs remain the most tax-advantaged account available (triple tax advantage).
Starting in 2026, high earners (prior-year FICA wages over $145,000, indexed) must make catch-up 401(k) contributions as Roth, not pre-tax. Plan your withholding and contribution elections accordingly.
The $600 marketplace reporting threshold for Form 1099-K remains phased: $5,000 for 2024 transactions, $2,500 for 2025, $600 for 2026. Gig workers and online sellers should expect more 1099-Ks this filing season.
The Inflation Reduction Act energy efficient home improvement and residential clean energy credits continue through 2032. EV credits have new sourcing and income limits that tightened in 2025.
The $10,000 SALT deduction cap (set by TCJA) is scheduled to expire after 2025 unless Congress extends it. Watch for legislation that could change 2026 deductions materially.
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Tax Day for 2025 federal returns is Wednesday, April 15, 2026. State filing deadlines typically match but confirm with your state revenue agency.
File Form 4868 for an automatic 6-month extension (new deadline October 15, 2026). An extension gives you more time to file but not more time to pay — estimate and pay any balance due by April 15 to avoid failure-to-pay penalties and interest.
Starting in 2026, high earners (prior-year FICA wages over $145,000, indexed) must make 401(k) catch-up contributions as Roth rather than pre-tax. Check with your plan administrator.
Yes, if you expect to owe at least $1,000 in tax after withholding and credits. This most commonly applies to self-employed workers, freelancers, and investors with significant capital gains or rental income.
The IRS generally has 3 years to audit a return. Keep returns and supporting documents for at least 3 years; keep records related to property, investments, and retirement accounts for as long as you own the asset plus 3 years after sale.
The $10,000 state and local tax deduction cap is scheduled to expire after 2025 under current law. Congress may extend, modify, or let it expire — monitor legislation in late 2025 and early 2026.