Build and test circuits right in your browser!
* Design with our easy-to-use schematic editor.
* Accurate analysis (DC, AC & more) in seconds.
* Beautiful schematic printouts (PDF) and images (PNG).
* Share a live circuit URL so others can simulate and edit your circuit.
Easy-wire mode lets you connect elements with fewer clicks and less frustration.
Cross-window copy/paste lets you easily explore and re-mix parts of public circuits from the CircuitLab community.
Mixed-mode circuit simulation lets you simulate analog and digital components side-by-side.
SPICE-like component models give you accurate results for nonlinear circuit effects.
Human-friendly formats let you enter and display values concisely, just like you would on a paper schematic.
Unit-aware expression evaluation lets you plot arbitrary signals of interest, such as differential signals or power dissipation.
In-browser simulation and plotting lets you design and analyze faster, making sure your circuit works before ever picking up a soldering iron.
Unique circuit URLs let you easily share your work or ask for help online.
Advanced simulation capabilities include frequency-domain (small signal) simulation, stepping circuit parameters through a range, arbitrary Laplace transfer function blocks, and more.
Common sense schematics let you name a node "+5V" and know that the simulator will do the right thing automatically, keeping your schematics compact and elegant.
Quick-access build box lets you draw basic circuit primitives quickly, while allowing access to a wide assortment of non-linear elements, feedback elements, digital / mixed-mode components, and custom drawing tools.
For more information, visit https://www.circuitlab.com/
Extore is a team of professionals who are passionate about creating extensions for web browsers. This devotion also gives us opportunity to appreciate work of other people. We get inspired by useful, open source extensions made by developers all over the world. Our strong belief is that one should share helpful add-ons with others. That’s why we’d like to present you our ever-growing list of favourite extensions that have inspired us. Moreover, as you probably have already learned, sometimes struggling for the best brings an end to the good. Talking about add-ons it often turns out that an upgrade is worse then previous version. Also it can become really tricky to get back to the beloved version of your favourite extension. That’s why we’re going to make not only the latest, but all versions of our favourite (and we hope yours too) add-ons available for download. No more compromises, just stick to the version you really like!