Free calculators and tools for Sri Lanka and the world
ToolReady is a collection of free online calculators and tools that just work: no sign-up, no clutter, no guesswork. Pick a tool below and get your answer in seconds, whether it is a Sri Lankan tax calculation or an everyday global one.
Sri Lanka Calculators
LKWork out Sri Lankan income tax (APIT), EPF and ETF contributions, take-home pay, gratuity, stamp duty, vehicle import duty and revenue licence fees. Rates are kept in one place and each page shows the figures it uses, so you can check the working. These are estimates, so confirm important figures with the Inland Revenue Department or Customs.
Work out your monthly income tax under current Sri Lanka tax brackets.
Estimate import duty and taxes before you import a vehicle.
Estimate your retirement fund contributions and growth.
Convert your gross salary to net, after tax and EPF.
Estimate your Z-score and compare against past cutoffs.
Estimate your gratuity after 5+ years of service.
Calculate maturity value on a fixed deposit.
Estimate duty on a property transfer, gift, or mortgage.
Estimate your annual road-use license fee.
Global Calculators
WORLDEveryday calculators for percentages, loans and EMI, compound interest, BMI, discounts, tips, dates, units and currency conversion. Everything runs in your browser and works on any phone or computer, with no account needed.
Find percentages, increases, decreases and differences fast.
Check your body mass index against healthy weight ranges.
Calculate monthly loan payments for any rate and term.
Convert length, weight and temperature instantly.
Find your exact age or the days between two dates.
Find the pre-tax price from a tax-inclusive total.
Model investment growth over time.
Find sale price or the real discount %.
Calculate your weighted GPA from grades and credits.
Add or subtract days from a date.
Work out the tip and split the bill.
Find the hours and minutes between two times.
Convert between currencies using live rates.
Estimate body fat using the U.S. Navy method.
Find selling price, and see the difference.
Estimate fuel cost for a trip.
Count down to any date and time.
IT & Security Tools
UTILPractical tools for IT and security work: password generator and strength checker, IP lookup, subnet calculator, JSON formatter, hash generator, JWT decoder, regex tester and more. Most of these run entirely in your browser; the IP lookup is the exception, since it has to ask an outside service.
Create strong, random passwords instantly.
See how strong your password really is.
Find your IP address and look up domain ownership.
Network address, broadcast, mask, and host range.
Format, validate, and minify JSON.
MD5, SHA-1/256/384/512 from text or a file.
Decode a JWT's header and payload.
Test patterns with live match highlighting.
Generate one or many random UUIDs.
Compare two blocks of text.
Trace delivery path and check SPF/DKIM/DMARC.
Encode or decode text, both directions.
Convert between number systems instantly.
Convert text to character codes and back.
Understand what a cron expression does.
Generate a QR code from any text or URL.
Test your typing speed in words per minute.
PDF Tools
PDFEdit, fill and sign PDF files for free. The PDF editor runs entirely in your browser, so your documents are never uploaded, and it has no watermark and no sign-up. The editor page carries no ads or tracking, to keep your files private.