Build a Password Strength Indicator in React | Next.JS

Build a Password Strength Indicator in React | Next.JS

T
Thapa Technical
Sep 3, 2025

Learn how to create a dynamic password strength indicator for your Next.js application using Tailwind CSS for styling and shadcn/ui components for a sleek, modern look. We'll walk through the process of setting up the project, integrating the origin.ui library, and writing the code to analyze password complexity in real time. This tutorial covers everything from basic setup to the logic behind a robust password checker, making it a great resource for developers looking to enhance their authentication forms.
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⌛TIMELINE⏳
0:00 - Intro & Project Demo
1:30 - Introduction to shadcn/ui & origin.ui
2:10 - Adding shadcn Components to Your Project
2:30 - Implementing Live Validation with JS Classes
3:15 - Coding the Password Strength Logic
6:02 - Deep Dive: Understanding the Code
10:00 - Joining JavaScript Classes for Validation

Timestamps