Utilities

Generate and export LaTeX mathematical formulas in real-time

Create custom countdowns for important dates or events

Boost productivity and focus with the Pomodoro Technique

Calculate monthly payments, total interest and payment schedule for housing, car and personal loans

Calculate personal income tax and take-home salary from your earnings

Calculate your Body Mass Index (BMI) and assess your weight status

Look up holidays, public vacations and observances for major countries and regions worldwide

Description

Quickly and accurately convert between different currencies and check exchange rates

Generate random names of various types, including different cultural backgrounds and styles

Plan and calculate your travel budget to manage expenses easily

Track your income and expenses with this easy-to-use personal finance tool

Calculate transaction fees for Cash App transfers, deposits, ATM withdrawals, bitcoin transactions, and more based on your account type and payment method.

Generate valid Chinese ID card numbers (Resident Identity Card) for testing purposes

Generate Chinese Unified Social Credit Codes that comply with national standard (GB 32107-2015) for testing and development

Free online fraction comparison calculator, supporting fraction size comparison, common denominator calculation, decimal conversion. Provides visual fraction bar comparison, precise calculation of fraction relationships, supports mixed number and improper fraction conversion

Free online random IP generator supporting IPv4 and IPv6 addresses, public and private IPs, region-based filtering, batch generation, and multiple export formats. Runs entirely in the frontend for privacy.

Free pure frontend "What to Eat" online decision tool that intelligently recommends dishes based on taste, budget, occasion, weather and dietary preferences. No data upload, protects privacy, helps you decide what to eat anytime, anywhere.