Circuit Diagram Maker

Make your circuit diagram online with Lucidchart. You can start a free premium trial instantly; no credit card required.

Put away your pencil, and don't download a so-called free program that's filled with malware. Lucidchart is online and truly free, so try it today.

Faster than sketching

In the time it would take you to find paper and a pencil, you could be well on your way to creating a top-notch circuit diagram. It's also simple to export, share, or publish your diagram with others.


Remote collaboration

Collaborate with team members in real-time. If others are on the doc at the same time, we highlight the affected areas so you don't step on each other’s toes. Whether you're in Boston or Bangalore, you're only a click away from your team.

Visio compatible

If you've made circuit diagrams online before, but are looking for something better, you can rest easy knowing that all your old diagrams can be imported into our program. We can also export diagrams to the .vsd file format.

Feature Highlights

Build all kinds of different flowcharts with Lucidchart’s powerful features.

Drag and drop

Easy to start

Because Lucidchart's free flowchart software is web-based, there's no download or installation required, so you can use it from any computer. With the simple user interface and drag-and-drop functionality, there's no learning curve with our software. Start drawing your flowcharts immediately!

Visio Import and Export

Visio compatible

Import a Visio file (.vdx, .vsd, or .vsdx) with the click of a button. Once it's uploaded, you can view the file and make your own edits with our easy-to-use tools. Users can even export docs to Visio format. We even offer a free Visio viewer Chrome extension!

Google Drive

Fully integrated

Real-time collaboration allows you to work simultaneously with your team members and make sure they’re on the same page. It’s also easy to chat and comment right in the editor. Create your flowchart online with ease.

Share via print or digital

Publish and share

When it’s finished, publish your flowchart as a PDF or image and easily include it in a report, presentation, or web page. You can even embed diagrams into a webpage.

Over 6,000,000 users

trust Lucidchart to keep them on the same page.

Find Out Why