UTILIDADES
QR generator
Create QR codes for links, WiFi, contacts, events and maps.
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Everyday utilities
A calculated or generated result is not always a final decision. These utilities help with specific tasks, while their guides explain which inputs are used, how to interpret the output and when it should be checked against a professional or authoritative source.
Create QR codes for links, WiFi, contacts, events and maps.
OpenChoose one or more random winners from a list.
OpenGenerates strong passwords with configurable length and characters.
OpenCalculate BMI, metabolism, calories, water and body fat.
OpenEncodes or decodes special characters in a URL.
OpenEncode text in Base64, hexadecimal, Morse, ROT13 or JWT.
OpenDecodes Base64, hexadecimal, Morse, ROT13 or JWT.
OpenGenerates SHA-256, MD5 and bcrypt hashes.
OpenChecks if a hash corresponds to a text.
OpenCheck your public IP and its approximate location.
OpenConsulta datos registrales mediante el servicio RDAP autoritativo del TLD.
OpenQuery DNS and diagnose domain resolution.
OpenValidate the structure of a sitemap from a file or URL.
OpenCheck the current time by country and time zone.
OpenTime tasks or start a countdown.
OpenGenerates dummy data in multiple formats for testing.
OpenGenerates Spanish identifiers with valid check digits.
OpenGenerates fictitious Spanish IBANs with valid format and checksum.
OpenCreates dummy card data for validation testing.
OpenCalculate the exact duration between two dates.
OpenEstimate workers' compensation based on salary and seniority.
OpenCalculate capital, interest and evolution of an investment.
OpenConvert amounts with or without taxes using the indicated percentage.
OpenA wrong decimal separator, time zone or percentage can create output that looks valid but is not useful.
Health, tax, interest and severance estimates are guidance, not medical, tax, financial or employment advice.
Avoid entering secrets or real personal data when a test can use fictional values, and retain only what is necessary.