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Tool catalog
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Generators
Random Number Generator
Numbers, picker wheel, and random order
QR Code Generator
QR codes for links, Wi-Fi, phone, and text
URL Shortener
Short links for social posts and messages
Password Generator
Random passwords with length and symbol controls
Addressee & Salutation Generator
To, From, and Salutation blocks for documents
Calculators
VAT Calculator
Add, remove, and check VAT quickly
Salary Calculator
Salary, shifts, holidays and income tax
Graphing Calculator
Formulas, scientific calculations, and graphs
Date Difference Calculator
Days between dates, deadlines, and countdowns
Compound Interest Calculator
Savings and investment growth with contributions
Useful articles
Current materials and practical tips for work, business, and SEO.
Markup percentage: how to calculate a retail price
For “Markup percentage: how to calculate a retail price”, make the base number and percentage direction explicit before you use the result in a price, discount, or fee.
Read articleHow to compare two discounts and see the better deal
A focused percentage check for “How to compare two discounts and see the better deal”: confirm the base, calculate the change, and keep the result tied to the original numbers.
Read articleVAT after a discount: how to check the new amount
Use “VAT after a discount: how to check the new amount” to separate net amount, VAT, and gross total, especially when discounts or mixed rates make the line harder to read.
Read articleAll articles