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What's the Income Tax?
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What's the Income Tax?
Global income tax calculator
# Tax Assistant
Featured on : Nov 26. 2025
Featured on : Nov 26. 2025
What is What's the Income Tax??
Free income tax, PAYE calculator and know your home pay pay instantly for 16 countries. Compare income tax against 16 countries around the world. My north-star is to create the simplest and most comprehensive income tax calculator available.
Problem
Users need to calculate income taxes across different countries manually and face difficulties in comparing tax rates and take-home pay internationally due to fragmented tools and lack of centralized data.
Solution
A free income tax calculator supporting 16 countries enabling users to instantly compute take-home pay, deduct PAYE, and compare tax rates globally.
Customers
Freelancers, remote workers, expatriates, and HR professionals handling international payroll.
Unique Features
Multi-country coverage, real-time tax comparison, and simplified interface for calculating net pay across jurisdictions.
User Comments
Saves time for cross-border income calculations
Accurate and easy to use
Helpful for freelancers with international clients
Simplifies tax comparisons for relocation decisions
Free alternative to paid tax software
Traction
Launched on ProductHunt with 100+ upvotes, details on revenue or users not publicly disclosed.
Market Size
The global tax software market was valued at $10 billion in 2023 (Allied Market Research).