Sign in with Google in Flask using OAuth | Complete Google Login Tutorial in Hindi | OAuth Setup

Learn how to add “Sign in with Google” authentication in your Flask application using OAuth 2.0 - step by step, in Hindi!
In this video, I explain the complete process from creating Google Cloud credentials to implementing Google Login in Flask with OAuth. Perfect for beginners learning Flask authentication or developers integrating Google Sign-In in their web apps.

What You Will Learn
✔ What is OAuth 2.0?
✔ How Google Login works in web applications
✔ How to create OAuth Credentials in Google Cloud Console
✔ How to connect Google Sign-In with Flask using Authlib
✔ Redirecting users after login
✔ Managing sessions in Flask
✔ Secure authentication best practices

📌 Topics Covered
Setting up Flask Project
Installing Authlib for Google OAuth
Creating Client ID & Client Secret
Implementing Login & Callback Routes
Fetching Google Profile Data
Redirecting Users to Target Page After Login
Complete working code walkthrough

🧰 Tech Stack Used
Python
Flask
Authlib
Google Cloud Console
OAuth 2.0

⭐ Who Should Watch This Video?
Flask beginners
Students building login systems
Developers creating LMS, blogging, or dashboard apps
Anyone learning OAuth authentication

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