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Tile Calculator
Also called a tile room calculator, this tool works out exactly how many floor or wall tiles — and how many boxes — you need. Enter your area and tile size for an instant answer.
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Find calculators, converters and generators for home projects, money, study, development and daily life — then get a clear answer in seconds.
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Paint Calculator
Also called a wall paint calculator, this tool helps you work out how much paint you need to buy — enter your wall dimensions and paint coverage to see the exact amount, including doors, windows, and extra coats.
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Zakat Calculator
Work out the zakat due on your wealth with this free Islamic zakat payment calculator. Enter your assets and liabilities, choose a nisab basis, and see exactly how zakat is calculated — 2.5% instantly, no signup.
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Hijri Date Converter
Convert any date between the Hijri calendar — also called the Islamic date or Arabic date, with its Gregorian counterpart sometimes called the Miladi date — and the Gregorian calendar, in either direction.
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XML to JSON Converter
Paste XML and get clean, formatted JSON instantly — parsed with a real XML parser, not regex.
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UUID / GUID Generator
Generate UUID v4 (also written uuidv4) identifiers — the same thing developers often call a GUID — individually or in bulk, plus time-ordered UUID v7 values.
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CGPA to Percentage Calculator
Enter your CGPA or GPA, choose your school's conversion method, and get an instant percentage — no manual math required.
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Compress Image to KB
Upload any image and type the exact KB size your form needs — from 1KB up to whatever you want. No presets, no guessing, just your number, and it's fast because everything runs right here in your browser.
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Compress Image to 50KB
Upload your photo and this tool compresses it to 50KB or below automatically — the standard exam-portal photo limit for SSC, Railway, IBPS and more.
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Compress Image to 200KB
Upload your photo and this tool compresses it to 200KB or below automatically — the professional standard for job portals, LinkedIn, and visa forms.
Featured this week
A practical calculator worth trying, plus a few quick favourites.
Plan your tiles before you shop.
Estimate room area, tile quantity, boxes and waste allowance with one simple calculator.
Example estimate44 tiles9 boxes · includes 10% waste
Zakat CalculatorWork out the zakat due on your wealth with this free Islamic zakat payment calculator. Enter your assets and liabilities, choose a nisab basis, and see exactly how zakat is calculated — 2.5% instantly, no signup.→XML to JSON ConverterPaste XML and get clean, formatted JSON instantly — parsed with a real XML parser, not regex.→Hijri Date ConverterConvert any date between the Hijri calendar — also called the Islamic date or Arabic date, with its Gregorian counterpart sometimes called the Miladi date — and the Gregorian calendar, in either direction.→
Explore by what you want to do
Task-based shortcuts make it easier to find the right starting point.
Plan a home project
Measure rooms, estimate materials and prepare renovation costs.
Make a money decision
Convert bank statement PDFs into clean spreadsheets.
Check study progress
Convert grades, monitor attendance and plan academic targets.
Transform developer data
Convert formats, generate identifiers and validate technical files.
Purpose-built toolsClear inputs and useful results
Private by designMost tools run in your browser
Fast to useNo setup or account required
Easy to understandSimple explanations and examples
Guides, formulas and explanations
Use the answer quickly, then understand how it was calculated.
Guide
How to calculate zakat
Understand eligible assets, liabilities and the 2.5% rate.
GuideHow many tiles do I need?
The waste-allowance formula and box-rounding logic explained.
CompareXML vs JSON: the @_ convention
How attributes and repeated elements map between formats.
GuideUUID v4 vs v7: what changes?
Random vs time-ordered identifiers, and when each one wins.