Stop Overpaying Taxes on Your Investments

The free simulator for international investors. Compare dividend taxes, model your portfolio, and see your real after-tax income in seconds.

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💸 100% Free • No Sign Up Required

Portfolio Tax Simulator Dashboard

Trusted by smart investors worldwide 🌍

Why Guess When You Can Calculate?

Investing internationally is complicated. We make the tax implications clear.

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The ETF Dilemma

"Should I buy VOO (US) or VWCE (UCITS)? Which is better for my specific tax residency?"

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Hidden Tax Drag

"Am I losing 30% of my dividends to withholding tax when I could be paying 0%?"

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Income Confusion

"How much monthly passive income will I actually see in my bank account after taxes?"

Optimize in 3 Simple Steps

1

Select Residency

Choose your tax residency from 6 supported countries (IL, GR, US, PT, CY, DE) to apply the correct tax treaties.

2

Build Portfolio

Use simple sliders to allocate between global stocks, bonds, and dividend payers. We handle the currency conversion.

3

See Net Income

Instantly see your projected annual yield and monthly cashflow after all withholding and local taxes are deducted.

Everything You Need to Plan

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US vs UCITS Comparison

Automatically calculates the "Winner" between US-domiciled and Irish-domiciled ETFs for your situation.

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6 Country Tax Models

Built-in logic for Israel, Greece, USA, Portugal, Cyprus, and Germany tax laws.

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Multi-Currency Support

View your portfolio in USD, EUR, or GBP with real-time exchange rates.

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Real-Time Data

Fetches live dividend yields and prices from Yahoo Finance via our secure proxy.

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Save & Export

Save your portfolio configurations locally or export them to JSON to share or backup.

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100% Free & Private

No account required. All data stays in your browser until you choose to save it.

Ready to Optimize Your Portfolio?

Stop guessing. Start calculating.