KEMI Tools
Online Tools
KEMI's practical tools you can use right in the browser.
- Free
- Use right away, no sign-up
- Sign-in
- Sign in with Google to use
- Approval
- Sign in with Google, then KEMI approves access
PCB & Circuit Design5
- Online CAD & Gerber Viewer↗FreeKiCad, Altium, OrCAD, PADS, Eagle, ODB++, Gerber — every layer, plus 3D
- Circuit Size CheckApprovalReview part makeup and design size from schematics and netlists
- PCB Design InspectorApprovalUpload a design, get a PDF report on power, clearance and bypass
- KEMI AIApprovalAn AI chat that already knows circuit and PCB practice
- STM32 SimulationApprovalRun STM32 and Nextion LCD behaviour without hardware
Electronics & PCB Calculators10
- Resistor Color Code CalculatorFree4, 5 & 6 band, value to colors
- SMD Resistor Code CalculatorFree3/4-digit, R notation, EIA-96
- LED Resistor CalculatorFreeSeries LEDs, resistor wattage
- Voltage Divider CalculatorFreeStandard values, loading
- PCB Trace Width CalculatorFreeIPC-2221 current & temperature rise
- PCB Impedance CalculatorFreeMicrostrip, stripline, differential
- Wire Gauge CalculatorFreeAWG to mm², ampacity, voltage drop
- Battery Life CalculatorFreeActive/sleep current to runtime
- RC Filter & 555 TimerFreeCutoff, astable, monostable
- dB / dBm ConverterFreedBm, watts, volts, VSWR
Quotes & Manufacturing Prep3
3D, Mechanical & Drawings3
Business & Operations5
- Parts Stock ERPSign-inBOM-driven stock, build history and shortages, Excel I/O (write access once KEMI enables it)
- Site AnalysisApprovalOne address in, a catchment, competition, sales and P&L report out
- Store Promo MakerApprovalType a product or deal, get a printable poster with copy and images
- VAT Calculator (Korea)FreeNet/gross, simplified taxpayers
- Margin & Card Fee CalculatorFreeMargin vs markup, net profit
Payroll (Korea)6
- Weekly Holiday PayFreeKorean labour law, 2026 minimum wage
- Part-time PayFreeOvertime, night and holiday premiums
- Severance PayFreeAverage vs ordinary wage
- Annual Leave (Korea)FreeHire-date or fiscal-year basis
- Social Insurance (Korea)FreeEmployee vs employer share
- Unemployment Benefit (Korea)FreeDaily amount and duration