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Belastbaar
  • Calculators
    Tax ScanFeatured

    Get a comprehensive overview of your tax situation for 2025.

    Gross to Net Salary

    Calculate your net income

    30% Ruling

    Expat tax benefit check

    ZZP/Self-Employment

    Freelance tax calculation

    Municipality Tax

    Local taxes by municipality

    Property Tax (OZB)

    Tax on home ownership

    Motor Vehicle Tax

    Road tax calculation

    View all calculators
  • Guides
    Income Tax ExplainedFeatured

    How Dutch income tax is calculated

    Municipal TaxesFeatured

    OZB, waste, sewage taxes explained

    Vehicle Tax (MRB)Featured

    Rates by province, exemptions & discounts

    Tax Filing Guide 2025

    Complete guide for filing taxes

    Local & Municipal Taxes

    Everything about local taxes

    30% Ruling Guide

    Guide for expats

    Tax Changes 2025

    What's new in 2025

    Tax Changes 2026

    Preview of 2026 changes

    View all guides
  • Tax Advisor
    Employment Credit Optimization

    Maximize your employment tax credit

    Green Investment Benefits

    Tax benefits for green investments

    WOZ Appeal Strategy

    Lower your property tax assessment

    30% Ruling (Expats)

    Expat tax benefit strategies

    ZZP Deductions

    Self-employed tax deductions

    Benefits Optimization

    Maximize your government benefits

    View all tax advisor
  • Blog
  • More
    Tax Calendar

    All tax deadlines for 2025

    What-If Scenarios

    Compare tax scenarios

    Where My Money Goes

    Premium

    About Us

    Tax Advice Hub

    Personalized tax optimization tips

    View all more

Belastingdienst filing prep

Prepare your Dutch tax filing with confidence

Start with the Aangifte Copilot, answer the highest-signal questions once, and continue with a filing-ready structure for Belastingdienst.

Open Aangifte CopilotRead the full filing guide

Broad v1 coverage, including entrepreneur and complex cases

Clear guidance for missing details via quick questions or calculators

Sensitive identifiers are never stored in this app

Built for real-world filing scenarios

The filing view includes broad sections for personal, work, entrepreneur, Box 3, deductions, and foreign/partial-year situations.

  • Entrepreneur-specific sections (ZZP, Box 2/3 context, business assets/liabilities)
  • Complex cases (foreign income, part-year residency, severance and edge cases)
  • Deduction-oriented checks to reduce missed filing opportunities

Privacy by default

Belastbaar does not store sensitive filing identifiers such as BSN, bank account number, or DigiD credentials.

Those identifiers are shown as manual-only checklist items in your filing view.

Choose your filing situation

Homeowner filing

Use the Aangifte Copilot to focus on homeowner-specific filing questions first, then continue with the property details that matter for Belastingdienst.

Start homeowner filing help

ZZP filing

Start with the entrepreneur questions that change your filing most, then let the copilot guide you to only the relevant self-employment calculations.

Start ZZP filing help

Fiscal partner filing

Use the Aangifte Copilot to bring partner information into the workflow early, so shared items and follow-ups become visible before you open Mijn Belastingdienst.

Start partner filing help

Box 3 filing

Start with the Aangifte Copilot to surface Box 3 exposure first, then continue with the exact follow-up steps and calculators that matter for your filing.

Start Box 3 filing help

Expat and part-year filing

Use the Aangifte Copilot to start with residency status, foreign income and expat follow-up, then continue into the filing overview with the right complexity already surfaced.

Start expat filing help

Frequently asked questions

Where should I start for filing preparation?

Start with the Aangifte Copilot. It gathers the highest-impact filing details first, then brings you into the filing overview with only the relevant calculators queued up.

What if some filing details are still missing?

Belastbaar points you to quick follow-up questions or relevant calculators so you can close important filing gaps.

Does Belastbaar store BSN, bank account or DigiD details?

No. Sensitive identifiers are never stored. They are shown as manual-only checklist items for Belastingdienst entry.

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