Toolkit
Fast tools. No rate APIs.
Every calculator runs on RateNest. Rates and FX live in your database.
VAT calculator
Add or remove VAT for every EU country and the UK.
Profit margin calculator
Turn cost and selling price into margin and markup.
Discount calculator
Percentage or fixed discounts with the final price.
Freelance hourly rate
Price your week from income goals, expenses, and tax.
Break-even calculator
Find the units you need before the month turns green.
Currency converter
Convert with manually maintained rates. No live FX API.
Invoice number generator
Build a clean sequential number and keep the sequence.
Reverse charge checker
A short rules check for EU B2B place of supply.
VAT threshold / OSS checker
See where you sit against the €10,000 EU threshold.