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Project 04
Mobile Preview Simulator
Preview responsive mobile screens directly inside VS Code.
Overview
A VS Code extension that helps developers preview responsive mobile layouts without leaving the editor. Built for frontend developers who want faster UI testing workflows with a clean in-editor mobile simulation experience. Outcome: 500+ installs on VS Code Marketplace, 4.5-star rating, active community with feature requests and contributions.
The Problem
Frontend developers constantly switch between editor and browser to test responsive layouts. There was no lightweight way to preview mobile screens without leaving VS Code.
The Solution
Built a VS Code extension with a Webview-based mobile simulator — light, fast, and integrated directly into the editor sidebar.
Results
500+
Installs
VS Code Marketplace
4.5★
Rating
user satisfaction
Active
Community
feature requests & contributions
Key Features
Preview mobile layouts directly in VS Code
Responsive testing without browser switching
Clean embedded mobile simulator UI
Fast workflow for frontend developers
Lightweight and developer-focused experience
Tech Stack
VS Code ExtensionJavaScriptWebview APIFrontend ToolsResponsive Design