Country IDs, Dates & Holidays tools

7 free Country IDs, Dates & Holidays tools that run in your browser, including Passport Photo Checker, Japanese Era Converter, Korean Age Calculator, Codice…

• Passport Photo Checker — Check a passport or visa photo on your device: pixel size, head height and position, tilt, background evenness and brightness, against your country's rules.
• Japanese Era Converter — Convert Japanese era years (Reiwa, Heisei, Showa, Taisho, Meiji) to Western years and back, with exact era start dates and an age chart.
• Korean Age Calculator — Work out your international age (만 나이), traditional Korean counting age and year age from your date of birth, and see which one is used where.
• Codice Fiscale Calculator — Calculate the Italian codice fiscale from name, sex, birth date and place, check its control letter, or decode an existing code — all on your device.
• DNI and NIE Letter Calculator — Find the control letter of a Spanish DNI or NIE number, or check that a full DNI, NIE or NIF is valid, using the official mod-23 rule.
• Working Days Calculator — Count working days between two dates, or add working days to a date, skipping weekends and the public holidays of your country and region.
• Public Holidays by Country — See every public holiday for a country and year, and print a calendar with ISO week numbers and the holidays marked, as a PDF.