Design Circuits online

Do circuit simulation, PCB design, Electronic circuit design online for free.

EasyEDA is a free, zero-install, Web and Cloud-based EDA tool suite, integrating powerful schematic capture, mixed-mode circuit simulator and PCB layout in a seamless cross-platform browser environment, for electronic engineers, educators, students and hobbyists.

Save design time using massive libraries of schematic components, PCB footprints and packages, spice simulation; models and subckts.

Cool Schematic Capture

Draw schematics quickly using the available libraries on browser. Seamless automatic upgrades.

Clever Spice Circuit Simulator

Verify analog, digital and mixed signal circuits with spice subcircuits and models!

Online PCB Design

With multiple layers, thousands of pads, you could still operate quickly and layout smoothly.

Import PCB and Schematic files

Import your designs from Eagle, Altium, Kicad and LTspice

Develop Collaboratively

Invite colleagues and partners to collaborate in electronics engineering design. Collaborate and comment on designs easily with public or private, Access Controlled, project sharing options.

Open-source Hardware

Tap into the power of the Cloud: access Open Source modules developed by thousands of electronics engineers.

Share your schematics and PCB

Share designs easily with public and secure private project sharing and Access Control options.

EasyEDA adopts multi-strategies to ensure the project security. Hosting on servers around the globe ensures multi-backup and guarantees complete safety. Projects are stored on cloud servers, but only you and your authorized parters can open private files. For an extra level of security and backup, all files can be stored locally.