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Building Video Call App with Javascript, Supabase and WebRTC

Build a video call app with Javascript, HTML, CSS, Socket.IO, WebRTC & Supabase. Learn to create real-time communication features.

4.7(7)
2,807students
5h
Certificate
Christ Raharja
Christ RaharjaEx Technology Risk Consultant, and E-commerce enthusiast

Course Content

Building Video Call App with Javascript, Supabase and WebRTC is an all-levels Udemy course taught by Christ Raharja. It runs 5h, is taught in English, and includes a certificate of completion. Learners rate it 4.7 out of 5 from 7 reviews, with 2,807 students enrolled. It is a paid course, last updated May 2025.

Build a Video Call App with Javascript, Supabase & WebRTC

Dive into the world of real-time communication and learn to build a video call application similar to Zoom and WhatsApp! This comprehensive, project-based course combines web development with the power of WebRTC, providing hands-on experience and boosting your technical skills in real-time network communication.

What You'll Learn:

  • WebRTC Fundamentals: Understand the core concepts of WebRTC, including its use cases, technical limitations, and key features.
  • How Video Calls Work: A detailed breakdown of the video call process, from user media capture and peer connection creation to signaling, offer/answer exchange, and streaming media.
  • Essential Video Call Features: Implement crucial features like user authentication, real-time video and audio communication, join request host approval, and mute/unmute audio/video.
  • Backend Development with Supabase: Set up a robust backend using Supabase for secure user authentication (login, signup, logout).
  • Real-time Signaling with Socket.IO: Implement Socket.IO for seamless real-time signaling between peers, enabling efficient metadata exchange for establishing video call connections.
  • Peer-to-Peer Connection Establishment: Establish direct peer-to-peer connections using WebRTC for low-latency, high-quality video streaming – no centralized server needed!
  • Audio/Video Control: Create functions to allow users to mute and unmute their audio and video streams, giving them full control over their communication.
  • User-Friendly Interface: Design a clean and intuitive user interface using HTML and CSS for an engaging user experience.
  • Testing & Optimization: Learn to perform performance testing and functionality testing to ensure your video call app runs smoothly and all features work as expected.
  • Express.js & Socket.IO Integration: Learn how to install and utilize Express.js and Socket.IO for backend development.
  • SDP Offer/Answer Exchange: Implement SDP offer/answer exchange using Socket.IO to manage connection setup.
  • Meeting Room Management: Create functions to generate meeting room IDs and manage host approval workflows.

Why Build a Video Call App with WebRTC?

This project provides invaluable skills applicable far beyond video calls. You'll gain expertise in real-time communication technologies used by industry giants like Zoom, Google Meet, and Microsoft Teams. These skills are highly sought after in various tech and media roles, opening doors to opportunities in live chat systems, live streaming platforms, and E-learning software.

Skills You'll Gain:

  • WebRTC
  • Real-time Communication
  • Socket.IO
  • Supabase
  • User Authentication
  • Backend Development
  • Frontend Development (HTML, CSS)
  • Performance Testing
  • Functionality Testing
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