The latest articles on DEV Community by Shashank Garg (@shashank_grg). https://dev.to/shashank_grg https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.us-east-2.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F4158760%2Fa83f751e-12ea-4a7f-bcd1-0252ba0fd97d.jpg https://dev.to/shashank_grg en Shashank Garg Sat, 03 Oct 2026 05:20:22 +0000 https://dev.to/shashank_grg/airpulse-4ek5 https://dev.to/shashank_grg/airpulse-4ek5 <h1> AirPulse — Instant Phone-to-Desktop Direct File Sharing ⚡ </h1> <p><em>This is a submission for the <a href="https://dev.to/challenges/hacktoberfest-weekend-2026-10-01">Hacktoberfest Weekend Challenge: Build for a Friend</a></em></p> <h2> What I Built </h2> <p>I built <strong>AirPulse</strong>, an ultra-fast, zero-config cross-device file sharing application that lets you instantly transfer files, photos, videos, documents, and clipboard text snippets between your mobile phone and desktop computer using a simple <strong>QR Code scan</strong> or a <strong>6-digit PIN code</strong>.</p> <h3> The Problem &amp; The Friend I Built It For </h3> <p>My friend (and honestly, almost everyone I know) constantly runs into the annoying hurdle of transferring files between their mobile phone and PC:</p> <ul> <li>Messaging apps compress photos/videos and clog up personal chat histories.</li> <li>Email attachment size limits block large documents and video clips.</li> <li>Cloud storage requires logging in, uploading, waiting, sharing links, and managing storage caps.</li> </ul> <p><strong>AirPulse</strong> solves this by establishing a direct local network / WebRTC bridge between the phone camera scan and the desktop browser. <strong>No app downloads, no account registration, no file size limits, and zero cloud tracking.</strong></p> <h2> Demo </h2> <h3> 🔗 Live Demo Links </h3> <ul> <li> <strong>Live Hosted App</strong>: <a href="https://airpulse-backend-pcl3.onrender.com/" rel="noopener noreferrer">https://airpulse-backend-pcl3.onrender.com/</a> </li> <li> <strong>GitHub Repository</strong>: <a href="https://github.com/Shashanx05/AirPulse" rel="noopener noreferrer">https://github.com/Shashanx05/AirPulse</a> </li> </ul> <h3> Key Features </h3> <ul> <li>📱 <strong>QR Code &amp; 6-Digit PIN Pairing</strong>: Scan with your phone camera or enter a quick PIN (e.g. <code>769-619</code>) to pair devices in under 2 seconds.</li> <li>⚡ <strong>Bidirectional Transfer</strong>: Send files from <strong>Phone ⇄ Desktop</strong> seamlessly.</li> <li>🚀 <strong>High-Speed Direct Streaming</strong>: Direct WebRTC DataChannels with chunked WebSocket fallback — files stream straight device-to-device.</li> <li>🎨 <strong>Mobile-Responsive Glassmorphism Dark UI</strong>: Built with responsive neon gradients, subtle glowing animations, auto-scaling cards, progress bars with transfer speed (MB/s) and ETA timers.</li> <li>📋 <strong>Clipboard &amp; Text Sharing</strong>: Send quick links, Wi-Fi passwords, or text notes between phone and PC with one click.</li> <li>🔊 <strong>Web Audio Sound Effects</strong>: Subtle audio chimes confirm when a device connects or when a file transfer finishes.</li> </ul> <h3> Live Local Setup </h3> <div class="highlight js-code-highlight"> <pre class="highlight plaintext"><code> bash # Clone the repository &amp; install dependencies git clone https://github.com/Shashanx05/AirPulse.git cd AirPulse npm install # Start the local AirPulse server npm start </code></pre> </div> devchallenge weekendchallenge hf26challenge