# TaxCheck

> Free 2026 federal and state tax calculator suite updated for the One Big Beautiful Bill Act (OBBBA). 10+ calculators for income tax, paycheck, bonus, marriage, self-employment, stock options, rental property, Roth conversion, and home buying.

## About

TaxCheck is a free, browser-based tax calculator built on IRS Rev. Proc. 2025-32 and the One Big Beautiful Bill Act (OBBBA) provisions for 2026. All calculations run entirely in the browser — no data is stored or sent to any server. 100% private.

## Key 2026 Tax Provisions (OBBBA)

- Overtime exemption: first $12,500 of qualified overtime pay is tax-free (phases out at $150k single / $300k MFJ)
- Tip exemption: first $25,000 of tip income is tax-free (same phase-out thresholds)
- Senior bonus deduction: $6,000 additional deduction for taxpayers age 65+
- Updated AMT thresholds: $90,100 single / $140,200 married filing jointly
- Standard deduction: $16,100 single / $32,200 MFJ / $24,150 HOH

## 2026 Federal Tax Brackets (Single)

- 10%: $0 – $11,925
- 12%: $11,926 – $48,475
- 22%: $48,476 – $103,350
- 24%: $103,351 – $197,300
- 32%: $197,301 – $250,525
- 35%: $250,526 – $626,350
- 37%: over $626,350

## Calculators

### Free Calculators

- [Federal & State Income Tax Calculator](https://taxcheckapp.com/tax): Full 2026 federal + state tax breakdown with OBBBA overtime and tip exemptions. All 50 states + DC. Includes W-4 optimizer, raise simulator, and quarterly estimates.
- [Paycheck Calculator](https://taxcheckapp.com/paycheck): See exact take-home pay per paycheck after federal tax, state tax, Social Security (6.2%), Medicare (1.45%), 401(k), and HSA. Weekly, biweekly, semi-monthly, monthly frequencies.
- [Bonus Tax Calculator](https://taxcheckapp.com/bonus): Calculate how much of your bonus you keep after the 22% federal supplemental rate, FICA (7.65%), and state taxes. Compare flat vs aggregate withholding methods.
- [Marriage Tax Calculator](https://taxcheckapp.com/marriage): Compare married filing jointly vs separately vs both filing single. Find out if you pay a marriage penalty or get a marriage bonus.
- [Self-Employment Tax Calculator](https://taxcheckapp.com/self-employment): Calculate SE tax (15.3%), quarterly estimated payments, QBI deduction (20%), and compare sole prop vs S-Corp vs LLC for 1099 freelancers and contractors.
- [Hourly to Salary Converter](https://taxcheckapp.com/hourly): Convert hourly wage to annual salary (and vice versa) with full after-tax breakdown for all 50 states.

### Pro Calculators ($14.99 one-time)

- [Stock Options & RSU Calculator](https://taxcheckapp.com/stock-options): Calculate taxes on ISO exercise, NSO exercise, and RSU vesting. AMT exposure analysis, holding period comparison, and ordinary income vs capital gains breakdown.
- [Rental Property ROI Calculator](https://taxcheckapp.com/rental): Analyze after-tax cash flow, ROI, depreciation (27.5-year schedule), mortgage amortization, net operating income, and 1031 exchange scenarios.
- [Roth Conversion Calculator](https://taxcheckapp.com/roth): Compare upfront tax cost of converting traditional IRA to Roth vs tax-free growth. Breakeven age, optimal conversion amount, and multi-year ladder strategy.
- [Home Buyer Tax Calculator](https://taxcheckapp.com/home-buyer): See how buying a home changes your taxes — mortgage interest deduction, property tax deduction, standard vs itemized comparison, and rent vs buy analysis.

### Pro Features

- AI document parsing — upload W-2, 1099, or pay stub and auto-fill the calculator
- PDF report downloads
- Year-over-year tax comparison
- W-4 withholding optimizer
- Quarterly tax payment schedule

## FAQ

Q: What are the 2026 federal tax brackets?
A: For single filers: 10% ($0–$11,925), 12% ($11,926–$48,475), 22% ($48,476–$103,350), 24% ($103,351–$197,300), 32% ($197,301–$250,525), 35% ($250,526–$626,350), 37% (over $626,350).

Q: Is overtime tax-free in 2026?
A: Under the OBBBA, the first $12,500 of qualified overtime pay is exempt from federal income tax. This phases out at $150,000 MAGI for single filers and $300,000 for married filing jointly.

Q: Are tips tax-free in 2026?
A: Under the OBBBA, the first $25,000 of tip income is exempt from federal income tax for taxpayers with MAGI below $150,000 (single) or $300,000 (MFJ).

Q: What is the 2026 standard deduction?
A: $16,100 for single filers, $32,200 for married filing jointly, $24,150 for head of household. An additional $2,050 for taxpayers age 65+, plus a $6,000 OBBBA senior bonus deduction.

Q: How does TaxCheck handle privacy?
A: All calculations run entirely in your browser. No tax data is stored on any server. No data is transmitted. 100% private.

## Contact

- Website: https://taxcheckapp.com
- X (Twitter): https://x.com/app_tax8816
- Email: akhilgopi619@gmail.com