Free PCB Design Tools
80+ free online calculators, converters, and reference tools for electronics engineers. No signup required.
Browse by Category
Find the right tool for your PCB design and electronics work
Electronics Knowledge Base
Tutorials, guides, and tips for PCB design and electronics

Types of Diodes: A Beginners Guide
Types of diodes are the most common semiconductors found in electrical circuits. They are essentially dual terminal check valves ensuring power can flow only in one direction.

Types of Computer Memory
Computer memory describes a location within a computer system that stores all the data and instructions required to perform a particular process.

Types of Printed Circuit Board: The Complete Guide
Types of Printed circuit board is all around us. They are in almost all electrical devices; in fact, you are probably using one right now!

Circuit Board Corrosion and How To Remove It
Circuit board corrosion, like any system, will deteriorate with time. Most of its components have varying lifespans.

What Is a Gerber File?
In PCB manufacturing, Gerber files are the software sketches that companies use to communicate information about the composition of circuit boards.

A Circuit Board Ultimate Guide
You may have seen a circuit board in your electronic appliance and device and wondered what it is. Circuit boards house the most crucial parts of our electronics, including circuitry.
Can't find the tool you need?
We're constantly adding new tools. Let us know what you'd like to see.
Request a Tool