MADE TO BE USEFUL
Useful tools.
Less figuring out.
Quick calculations for everyday life, plus guided prompts for your favourite AI. Pick a category or search for what you need.
19 practical tools

Unit price comparison
Compare two pack sizes, including multipacks, on equal terms.
Open tool →Product comparison
Enter 2–4 products and compare their specifications, sources and known costs side by side.
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Flooring & tile estimator
Turn room measurements into area and whole packs to buy.
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Paint quantity estimator
Estimate litres for walls, coats and the coverage on your paint tin.
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Recipe scaler
Resize ingredient amounts for more or fewer servings.
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Split a bill
Add a chosen tax and tip, then split a bill down to the cent.
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Sale price calculator
See the real result of two successive discounts and optional tax.
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Time between two times
Count hours and minutes, including overnight plans and breaks.
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Everyday unit converter
Convert length, weight, volume and temperature with clear units.
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AI prompt builder
Build a better prompt for a plan, explanation or ideas, then get the answer in your AI.
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Trip fuel & shared costs
Estimate fuel, parking and tolls for a trip, then divide the total.
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Calendar day planner
Count days between dates or add and subtract calendar days.
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Soil & mulch estimator
Estimate loose material volume and the number of bags for a bed.
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Appliance energy cost
Estimate electricity use from watts, running time and your rate.
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Text tidy & word count
Count or tidy text, fix caps-lock case, or make random mixed caps locally.
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Percentage calculator
Find a percentage of an amount or compare a change.
Open tool →AI writing helper
Turn a draft or rough notes into a focused rewriting request.
Open tool →AI decision brief
Compare real options against your priorities and deal-breakers.
Open tool →AI research brief
Ask a research question with clear scope and source checks.
Open tool →No matches. Try a broader word or choose All.