Legal & Business
Argentina CUIT Generator & Validator for Testing Purposes
Generate valid Argentinian CUIT numbers (tax identification codes) and validate existing ones with this simple tool designed for testing scenarios. No complex features, just straightforward CUIT generation and validation.
Argentinian CBU Generator & Validator Tool | Banking Codes
Generate valid random CBU numbers and validate existing Argentinian bank account codes with this simple, user-friendly tool for testing and verification purposes.
Argentinian CUIT/CUIL Generator and Validator Tool
Generate valid Argentinian CUIT/CUIL numbers for testing or validate existing ones. Simple tool for developers working with Argentinian tax and labor identification numbers.
Brazilian CNPJ Generator and Validator Tool for Testing
Generate valid Brazilian CNPJ numbers and validate existing ones with this simple tool designed for developers and testers working with Brazilian business IDs.
Comprehensive Residency Calculator for Tax Planning Needs
Calculate the total number of days spent in different countries during a calendar year to determine potential tax residency. Add multiple date ranges for various countries, get suggested residency based on total days, and identify overlapping or missing date ranges.
Detention Time Calculator for Water & Wastewater Systems
Calculate detention time (hydraulic retention time) based on volume and flow rate for water treatment, stormwater management, and wastewater systems.
Federal Court Limitation Period Calculator | Legal Deadline Tool
Calculate limitation periods for Federal Court cases. Track legal deadlines for judicial reviews, immigration matters, and federal appeals with our easy-to-use calculator.
Free CURP Generator - Instant Mexican ID Code Testing Tool
Generate unlimited valid CURPs instantly for testing & development. Free CURP generator creates random Mexican identification codes following official format rules. Perfect for developers and testers.
IBAN Generator and Validator Tool for Testing and Verification
Create random format-compliant IBANs or validate existing ones with our simple tool. Perfect for testing financial applications, banking software, and educational purposes.
Mexican CLABE Generator & Validator for Software Testing
Generate valid Mexican CLABE numbers for testing financial applications. Create single or multiple CLABEs with proper bank codes and check digits, or verify existing ones.
Mexican RFC Generator for Testing | Create Valid Tax ID Codes
Generate valid Mexican RFC (Tax ID) codes for software testing. Create RFCs for individuals or companies with proper formatting and validation. Specify quantity and copy to clipboard.
Random CPF Generator for Testing and Development Purposes
Generate valid, random CPF (Cadastro de Pessoas Físicas) numbers for testing purposes. This tool creates CPFs that comply with the official Brazilian format and validation rules, without using any real personal information.