We do not grow old as long as we strive to improve ourselves.
Generate strong random passwords combining uppercase, lowercase, numbers, and special characters. Configurable length (8–64 chars). Includes password strength analysis and security best practices.
Enter your pet's age and type (dog/cat) to see the human equivalent. Dog age varies by size (small/medium/large) because larger breeds age faster. Includes life-stage health care tips.
Enter your birth date and time to calculate the Four Pillars (사주팔자) — Year, Month, Day, and Hour pillars — using the 60-cycle Sexagenary system. See your Day Master, Five Elements distribution, and luck period.
A Pomodoro Technique timer managing 25-minute focus sessions and 5-minute breaks. Automatically alerts after 4 cycles for a long break. Tracks completed cycles and supports custom intervals.
Enter your current salary and target raise percentage to calculate your new gross salary, change in monthly take-home pay, and a three-tier negotiation target range. Prepare for your next salary review with data-driven confidence.
Enter current property value, proportional ratio, rights value, and new unit price to calculate additional assessment and expected profit from a Korean reconstruction (재건축) or redevelopment (재개발) project.
Enter your bedtime to calculate optimal wake-up times aligned to complete 90-minute sleep cycles. Or enter your desired wake-up time to find the best time to fall asleep. Includes chronotype analysis.
Draw one tarot card to receive its meaning, upright and reversed interpretations, and guidance for today. Based on the 22 Major Arcana cards.
Enter the bill amount and tip percentage (10, 15, 18, 20, or 25%) to calculate the tip, total, and each person's share. Includes a country-by-country tipping guide for US, Canada, Europe, Japan, and more.
Enter your TOEIC score to see your English proficiency level (CEFR A1–C1), whether you meet major Korean employer and civil service thresholds, and how you compare to market benchmarks.
Ahoxy는 OIYO 패밀리가 되었습니다 👋 Ahoxy is now part of the OIYO family 👋
찾으시던 콘텐츠는 아래 사이트에서 계속 이용할 수 있어요. Everything you used lives on across these sites.