Watch your app run while it is being built.
Forge displays a real-time hot-reloading browser preview alongside a full Linux xterm.js terminal connected directly to your project’s container sandbox.
- Mobile (390px iPhone)Passing · 60fps
- Tablet (820px iPad)Passing · 60fps
- Desktop (1440px)Rendering live layout…
Development server active on port 3000.
What makes Live Preview & Terminal stand out.
Engineered for speed, creative flow, and production-grade reliability.
Instant visual feedback
The preview reloads automatically as code changes, letting you spot styling bugs and layout issues immediately.
Responsive device frames
Test your responsive design instantly across mobile (390px), tablet (820px), and widescreen desktop viewports.
Full interactive terminal
Run npm install, pytest, git commands, and database migrations directly via the integrated browser terminal.
Isolated sandboxes
Each project gets dedicated memory and storage so background processes run smoothly without collisions.
How Live Preview & Terminal works.
From initial request to finalized deliverable in three intuitive steps.
Open your project
Start a new project or clone from GitHub.
Start the dev server
Forge boots the development server in the sandbox container.
Interact live
Test clicks, form inputs, and animations directly in the preview window.
Built for modern teams and creators.
Purpose-built capabilities that fit your exact workflow.
Frontend Engineers
Fine-tune responsive interfaces with zero local setup required.
QA Testers
Test live interaction flows and capture console logs instantly.
Learners
Experiment with code changes and see immediate visual effects.
Frequently asked questions.
Common questions about capabilities, privacy, and workflows.
Can I test external APIs from the sandbox?
Yes, the sandbox has outbound HTTPS access to connect with third-party APIs and services.
Does the terminal support custom CLI tools?
Yes, standard Linux binaries, package managers (npm, pip), and development utilities are supported.
Ready to experience Live Preview & Terminal?
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