OhmIc — Electronics Toolkit

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About this app

OhmIc is a fast, offline electronics toolkit for hobbyists, students, makers, technicians and engineers. Decode electronic components, calculate circuit values and check common pinouts instantly — with no account, internet connection or server required.

RESISTOR COLOR CODE DECODER

Decode resistor color bands quickly and accurately.

• 3-band, 4-band, 5-band and 6-band resistor color code decoder
• Resistance value, tolerance and temperature coefficient
• Reverse resistor lookup — enter a value and get the color bands
• SMD resistor code decoder
• EIA-96 resistor code decoder

CAPACITOR CODE DECODER

Identify capacitor markings and values in seconds.

• 3-digit capacitor code decoder
• Capacitance code lookup
• Capacitor tolerance letter codes
• Rated voltage code lookup

INDUCTOR COLOR CODE

Decode common 4-band inductor and choke color codes.

ELECTRONICS CALCULATORS

• Ohm's law calculator
• Resistor series and parallel calculator
• Capacitor series and parallel calculator
• Inductor series and parallel calculator
• LED series resistor calculator

Enter the values you know and calculate the missing values instantly.

PINOUT REFERENCE

Check pin configurations for common transistors, voltage regulators, ICs, development boards and connectors.

100% OFFLINE

All calculations and decoding happen directly on your device. No account, no cloud and no waiting.

OhmIc is useful in the workshop, classroom, electronics lab, garage or anywhere you need a quick electronics reference.

BUILT FOR ACCURACY

A wrong component value or pinout can damage hardware. OhmIc focuses on well-documented, unambiguous component information and clearly indicates simplifications where necessary.

Available in 27 languages with Light, Dark and System themes.
Resistor, SMD & capacitor decoders, calculators and pinouts. Works offline.
Updated on
Sep 10, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • This app may collect these data types
    App activity, App info and performance, and Device or other IDs
  • Data is encrypted in transit

What’s new

First release of OhmIc.

* Resistor, capacitor, and inductor color code decoders (plus SMD/EIA-96)
* Ohm's law, series/parallel, and LED resistor calculators
* Pinout diagrams for common transistors, regulators, ICs, boards, and connectors
* Light, Dark, and System themes
* Available in 27 languages

Fast and offline, with no clutter. Thanks for trying OhmIc!
Content rating
Everyone
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App support

About the developer
Marko Petrović
marreee23@gmail.com
Donja Omasnica bb 37242 Stopanja Serbia

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