About Juualabs
JUUALABS is an independent app studio that turns useful, curious, and playful ideas into lightweight web applications that anyone can try and use right away.
Our Core Values
Instead of spending years planning large, corporate systems, we capture everyday points of friction and moments of sudden inspiration. We then refine them into elegant, single-focus tools that ship quickly and respect your time.
- Everyday Utilities: We provide clean, fast, and responsive utilities (e.g. loan rates, currency/area conversions, date ranges) that simplify tedious tasks.
- Respect for Privacy: We adhere to a strict client-side computation policy. Every calculation runs entirely in your browser. We never collect or transmit the sensitive financial figures you type.
- Warm, Crafted Aesthetics: Inspired by sunny workspaces, we avoid cold corporate interfaces. We use warm paper tones, soft shadows, and organic round layouts.
Our Utility & Conversion Suite
To deliver genuine value to search users, we have released our full collection of 9 web tools:
- Loan Calculator: Contrast amortized repayment plans and review monthly interest schedules.
- Korean Jeonse Deposit Calculator: Check equity deficits and borrow limits for Korea's unique housing lease framework.
- Pyeong to Square Meter Converter: Bidirectional area converter matching traditional and metric units.
- Percentage Calculator: Solve standard percentages, markdowns, and rate shifts.
- Date Difference Calculator: Measure exact intervals with options to omit weekends or include boundary days.
- VAT Calculator: A bidirectional tax calculator allowing customizable Value-Added Tax rates.
- Solar-Lunar Converter (Korean-specific): Dual converter matching solar and lunar calendars along with zodiac details.
- Jeonse Loan Limit Calculator (Korean-specific): Determine maximum housing borrow capabilities under modern DSR and LTV.
- Salary Take-Home Calculator (Korean-specific): Calculate your actual net take-home salary after Korean social insurances and tax.