1,001 Tools for Modern
Workflows & Developers

Calculate Indian Goods and Services Tax (GST) with standard slabs (5%, 12%, 18%, 28%), reverse GST, and CGST/SGST/IGST breakdown.

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.

Calculate Qatar End of Service Gratuity under Labour Law No. 14 of 2004 Article 54 based on 21-day basic wage per service year.

Calculate Saudi End of Service Award under Labor Law Articles 84 and 85 comparing resignation versus contract termination payouts.

Calculate lost Personal Allowance and the 60% effective marginal tax rate between £100,000 and £125,140 with pension salary sacrifice solutions.

Compare UK contractor take-home pay between Outside IR35 Ltd company dividends and Inside IR35 umbrella PAYE under Chapter 10 ITEPA.

Calculate High Income Child Benefit Charge (HICBC) between £60,000 and £80,000 with pension salary sacrifice clawback mitigation.

Calculate US 15.3% Self-Employment Tax on IRS Schedule SE, income tax deductions, and quarterly estimated tax payments for 1099 contractors.

Calculate federal 22% supplemental bonus withholding versus true marginal tax liability under IRS Publication 15-T with refund gap analysis.

Calculate shares sold to cover federal and state withholding taxes on equity vesting and quantify underwithholding tax gaps for tech employees.

Compare German tax classes 3/5 and 4/4 with factor under EStG § 39f to optimize monthly net pay and avoid back-tax penalties.

Calculate German trade tax for self-employed businesses with the €24,500 tax-free allowance, municipal Hebesatz, and § 35 EStG credit.

Calculate Dutch 30% ruling expat tax exemptions, minimum salary thresholds, and net monthly take-home increases under Belastingdienst rules.

Calculate Irish emergency tax deductions and PAYE tax refunds with or without PPSN under Revenue payroll rules.

Compare Canadian incorporated consultant dividend draws versus T4 salary under CRA small business deduction with CPP optimization.

Calculate ATO Medicare Levy Surcharge (MLS) tiers (1.0%, 1.25%, 1.5%) for singles and families and private health insurance savings.

Calculate Division 293 15% extra tax on superannuation contributions for high income earners earning over A$250,000 threshold under ATO rules.

Calculate Singapore Buyer Stamp Duty (BSD) and Additional Buyer Stamp Duty (ABSD) for Citizens, PRs, and Foreigners across property tiers.

Calculate Swiss Pillar 3a private pension tax savings up to statutory CHF 7,258 maximum under cantonal and federal tax rates.

Calculate Spanish Beckham Law 24% flat expat tax savings versus standard progressive IRPF tax rates under Ley 35/2006.

Calculate Italian flat tax (5% startup or 15% standard) on Partita IVA revenues up to €85,000 with INPS Gestione Separata deductions.

Format, validate, prettify, and minify JSON code client-side with syntax error detection and customizable indentation.

Count words, characters, sentences, paragraphs, reading time, and speaking time in real-time. Includes case conversions and keyword density analysis.

Compress and resize JPEG, PNG, and WebP images locally using the HTML5 Canvas API. Reduce image sizes by up to 90% with instant download and 100% privacy.

Calculate gross profit margin, net profit margin, markup percentage, and break-even ROAS for retail and online stores. Multi-currency support (₹/$/€).