Don's Tools · World

World

Free tools from around the world that run in your browser. Braille, Morse code, NATO alphabet, US tools, Sinhala converters and more.

World is a free collection of tools on Don's Tools running in the browser with nothing uploaded. Tools include a Braille translator, Morse code translator with audio, NATO phonetic alphabet, Pig Latin converter, US area code lookup, US ZIP code finder, US state abbreviations, US county finder, metric to US customary converter, Singlish to Sinhala Unicode converter, Sinhala Unicode to legacy font converter, and a PAYE salary tax calculator.
US Court SystemFIPS Code LookupEIN FormatterSalary to HourlyTip CalculatorUS Sales TaxHighway DecoderClothing SizesProof ↔ ABVShoe Size ConverterCongressional DistrictsSinglish to Sinhala UnicodeSinhala Unicode to Legacy FontPAYE & Salary Tax CalculatorBraille TranslatorMorse Code TranslatorPig Latin ConverterNATO Phonetic AlphabetUS ZIP Code FinderUS State AbbreviationsUS Area Code LookupUS County FinderMetric ↔ US Converter Mortgage Calculator Paycheck Calculator GPA Calculator Compound Interest Business Days BMI Calculator Car Loan Calculator Grade Calculator Inflation Calculator Age Calculator Credit Card Payoff Gas Cost Calculator Rent vs Buy US Federal Holidays Statute of Limitations

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Frequently asked questions

Are these tools free and private?

Yes. They are free with no sign-up and run in your browser. Tools like the converters and tax calculator work entirely on your device with nothing uploaded.

Do I need to install anything?

No. They work in any modern browser on phone, tablet or computer, with no download or account.

Which tools are here?

A Braille translator, Morse code translator with audio playback, NATO phonetic alphabet, Pig Latin converter, US ZIP code finder, US state abbreviations, US area code lookup, US county finder, metric to US customary converter, Singlish to Sinhala Unicode converter, Sinhala Unicode to legacy font converter, and a PAYE salary tax calculator.

Is the tax calculator accurate?

It uses the official 2025/2026 APIT bands to give a careful estimate of income tax, EPF and take-home pay. It is guidance, not formal tax advice.

Does the Singlish converter produce real Sinhala Unicode?

Yes. It converts text typed in English letters into standard Sinhala Unicode in real time, ready to paste anywhere.