password_strength_checker 🔐💪

A modern and customizable Flutter widget to validate and visualize password strength using emojis, tips, and collapsible guidance. Make password creation fun and secure!

✨ Features

  • 🔥 Live password strength feedback
  • 💡 Collapsible tips section for better UX
  • 🎨 Fully customizable UI: colors, emojis, tip messages
  • ✅ Clean and modern design

📸 Preview

Coming soon: Add a gif or screenshot of the widget in action!

🚀 Getting Started

Add the dependency in your pubspec.yaml:

dependencies:
  password_strength_checker: ^1.0.0

Import the package:

import 'package:password_strength_checker/password_strength_checker.dart';

Then use it like this:

final TextEditingController _passwordController = TextEditingController();
final ValueNotifier<PasswordStrengthItem?> _strengthNotifier = ValueNotifier(null);

PasswordStrengthChecker(
  strength: _strengthNotifier,
  configuration: PasswordStrengthCheckerConfiguration(
    colors: [Colors.red, Colors.orange, Colors.yellow, Colors.lightGreen, Colors.green],
    labels: ['Very Weak', 'Weak', 'Fair', 'Strong', 'Very Strong'],
    emojis: ['😢', '😕', '😐', '😊', '💪'],
  ),
)

🛠️ Customization Options

Property Description
colors List of colors for each strength level
labels List of labels for each strength level
emojis List of emojis for each strength level
showTips Show/hide tips section
labelStyle TextStyle for labels
tipStyle TextStyle for tips
emojiSize Size of emoji

📦 Example

Check out the /example folder for a working demo:

final TextEditingController _passwordController = TextEditingController();
final ValueNotifier<PasswordStrengthItem?> _strengthNotifier = ValueNotifier(null);

PasswordStrengthChecker(
  strength: _strengthNotifier,
  configuration: PasswordStrengthCheckerConfiguration(
    colors: [Colors.red, Colors.orange, Colors.yellow, Colors.lightGreen, Colors.green],
    labels: ['Very Weak', 'Weak', 'Fair', 'Strong', 'Very Strong'],
    emojis: ['😢', '😕', '😐', '😊', '💪'],
  ),
)

📄 LICENSE

MIT License

MIT License

Copyright (c) 2025 Abhishek Vetma

Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
and associated documentation files (the "Software"), to deal in the Software without restriction, 
including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, 
and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, 
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial 
portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT 
NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

👨‍💻 Author

Made with ❤️ by Abhishek Verma
If you like this package, give it a ⭐ on pub.dev

📢 Feedback & Contributions

If you have ideas, suggestions, or want to contribute — pull requests and issues are welcome!

Libraries

password_strength_checker