계산부터 파일 정리까지, 간편하게
Korean & English OCR · edit, copy and save text
Batch photo conversion · preview · ZIP download
Reduce photo size · resize (in-browser, no upload)
URL · text → QR, color · logo · PNG/SVG
Draw names · multiple winners · allow duplicates
Characters · words · bytes · manuscript pages
Secure random passwords · strength check
Countdown timer (alarm) · lap stopwatch
Current time in major cities & offset from Korea
Format · minify · validate JSON
Binary · octal · decimal · hex conversion
HEX · RGB · HSL color code conversion
Matching color schemes by harmony rules
Extract main colors from an image
Live-preview CSS shadow · copy code
Glass-effect CSS (backdrop-filter)
Korean name → passport romanization
Korean road-name / land-lot addresses and postal codes
Resize · rotate · flip photos
Crop the part you want by dragging
Image → icons in multiple sizes (PNG)
Add a text watermark to photos
Blur faces · personal info by dragging
Multiple photos → animated GIF
Merge · split · rotate · delete · images to PDF
1~45 중 6개 무작위 추첨, 최대 5게임
내가 고른 조합의 홀짝·합계·연속번호 분석
최근 100회 번호별 출현 빈도 · 당첨 결과
참가자 · 결과 입력하고 무작위로 정하기
항목을 돌려서 무작위로 하나 뽑기, 가중치 지원
공을 떨어뜨려 무작위로 하나 뽑기, 맵 3종
Holidays, tax deadlines, and benefit periods on a calendar
Match government benefits to your age and situation
Resignation letter, power of attorney, loan agreement — fill and generate
Resigning, moving, starting a business — progress is saved
Minimum wage, tax rates, social insurance, annual leave
Loan repayment, jeonse vs rent, sole proprietor vs corporation
Plain-language tax and labor terms
Equal principal/interest repayment · total interest
Simple/compound interest · maturity amount
Real-time rate between coins + chart
LTV · DTI loan limit · acquisition tax
Convert currencies at live rates
Tax base · computed tax · local income tax
Wage-based deduction & tax credit
Sole proprietor tax (revenue − expenses)
3.3% withholding refund / extra payment
Withholding tax on daily wages
Corporate rate (10–25%) · local income tax
Gains · long-term deduction · rate by holding
Convert supply value and total amount (incl. VAT)
Spousal · lump-sum · relationship-based gift deductions
Rate by assessed value total · number of homes · rural tax
Monthly net after insurances & income tax
Hourly · monthly · annual · weekly holiday pay
Statutory severance by average wage
Daily benefit · expected total
Accrued paid leave days by hire date
D-day · date interval · N days before/after
International age · calendar age · next birthday
Discharge date & service progress
Length · area · volume · weight conversion
TOE · kWh · kcal · BTU energy units
Trig · log · exp · engineering operations
Formula → graph. Polar · parametric curves
Voltage · current · resistance · power
