Full crawl directory of published online utilities, calculators, converters, and code generators. Filter by country or region to discover localized tax, payroll, and developer tools.
21 verified client-side tools
Calculate Indian Goods and Services Tax (GST) with standard slabs (5%, 12%, 18%, 28%), reverse GST, and CGST/SGST/IGST breakdown.
حاسبة مكافأة نهاية الخدمة في الإمارات
Calculate UAE End of Service Gratuity under Federal Decree-Law No. 33 of 2021 with 21-day and 30-day salary tiers and 2-year cap.
حاسبة مكافأة نهاية الخدمة في قطر
Calculate Qatar End of Service Gratuity under Labour Law No. 14 of 2004 Article 54 based on 21-day basic wage per service year.
حاسبة مكافأة نهاية الخدمة السعودية
Calculate Saudi End of Service Award under Labor Law Articles 84 and 85 comparing resignation versus contract termination payouts.
UK £100k Tax Trap & Allowance Taper Calculator
Calculate lost Personal Allowance and the 60% effective marginal tax rate between £100,000 and £125,140 with pension salary sacrifice solutions.
UK Inside vs. Outside IR35 Calculator
Compare UK contractor take-home pay between Outside IR35 Ltd company dividends and Inside IR35 umbrella PAYE under Chapter 10 ITEPA.
UK High Income Child Benefit Charge (HICBC) Calculator
Calculate High Income Child Benefit Charge (HICBC) between £60,000 and £80,000 with pension salary sacrifice clawback mitigation.
US 1099 Self-Employment Tax & Estimated Payment Calculator
Calculate US 15.3% Self-Employment Tax on IRS Schedule SE, income tax deductions, and quarterly estimated tax payments for 1099 contractors.
US Bonus Tax Withholding & Net Paycheck Calculator
Calculate federal 22% supplemental bonus withholding versus true marginal tax liability under IRS Publication 15-T with refund gap analysis.
US RSU Sell-to-Cover & Tax Shortfall Calculator
Calculate shares sold to cover federal and state withholding taxes on equity vesting and quantify underwithholding tax gaps for tech employees.
Steuerklassenrechner 3/5 vs. 4/4 mit Faktor
Compare German tax classes 3/5 and 4/4 with factor under EStG § 39f to optimize monthly net pay and avoid back-tax penalties.
Gewerbesteuer-Rechner für Selbstständige
Calculate German trade tax for self-employed businesses with the €24,500 tax-free allowance, municipal Hebesatz, and § 35 EStG credit.
30%-Regeling Berekenen (Dutch 30% Ruling Calculator)
Calculate Dutch 30% ruling expat tax exemptions, minimum salary thresholds, and net monthly take-home increases under Belastingdienst rules.
Ireland Emergency Tax & PAYE Refund Calculator
Calculate Irish emergency tax deductions and PAYE tax refunds with or without PPSN under Revenue payroll rules.
Canada Incorporated Consultant Dividend vs. Salary Calculator
Compare Canadian incorporated consultant dividend draws versus T4 salary under CRA small business deduction with CPP optimization.
Australia Medicare Levy Surcharge (MLS) Calculator
Calculate ATO Medicare Levy Surcharge (MLS) tiers (1.0%, 1.25%, 1.5%) for singles and families and private health insurance savings.
Australia Division 293 Superannuation Tax Calculator
Calculate Division 293 15% extra tax on superannuation contributions for high income earners earning over A$250,000 threshold under ATO rules.
Singapore ABSD & BSD Property Stamp Duty Calculator
Calculate Singapore Buyer Stamp Duty (BSD) and Additional Buyer Stamp Duty (ABSD) for Citizens, PRs, and Foreigners across property tiers.
Säule 3a Steuerersparnis Rechner (Pillar 3a Tax Calculator)
Calculate Swiss Pillar 3a private pension tax savings up to statutory CHF 7,258 maximum under cantonal and federal tax rates.
Calculadora Ley Beckham España vs. IRPF General
Calculate Spanish Beckham Law 24% flat expat tax savings versus standard progressive IRPF tax rates under Ley 35/2006.
Calcolo Netto Regime Forfettario (5% e 15% Partita IVA)
Calculate Italian flat tax (5% startup or 15% standard) on Partita IVA revenues up to €85,000 with INPS Gestione Separata deductions.
1 verified client-side tools
1 verified client-side tools
1 verified client-side tools
1 verified client-side tools