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Calculate something
Money, pay, business metrics, quantities and project estimates.
Convert something
Measurements, dates, timestamps and common technical values.
Create something
Generate useful digital outputs and simple documents.
Check something
Validate formats, inspect data and identify common errors.
Work with developer data
Format, encode, decode and transform developer values.
Estimate a project
Work out materials, quantities, space and project costs.
Solutions built around real work
Related tools grouped around the problem, not the tool type.
Price a product properly
Move from product cost to selling price, profit and break-even.
Clean and inspect data
Format, validate, encode and decode everyday web data.
Plan materials before buying
Estimate common building materials before placing an order.
Calculate pay and time
Handle salary, overtime, work hours and employee costs.
Popular tools
A useful mix of calculators, generators, converters and developer tools.
Understand the answer
Clear guidance for the problems behind each tool.
Profit margin vs markup: what changes?
See why both percentages produce different selling prices.
Why is my JSON invalid?
Common syntax problems and practical ways to identify them.
How much extra concrete should you order?
Understand waste allowance before placing an order.
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