#js-enabled-content { display: none !important; } #js-disabled-message { min-height: 100vh; margin: 0; padding: 2rem; display: flex; align-items: center; justify-content: center; font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: #f2f6ff; color: #637381; text-align: center; } #js-disabled-message a { color: #10B981; text-decoration: underline; }

Britt and Sam explaining why JavaScript is required

JavaScript Required

CircuitSim needs JavaScript enabled to render circuits and manage user sessions.

Please enable JavaScript in your browser settings, then return to the home page.

Multisim Live Alternative (2026) | CircuitSim · Blog | CircuitSim