In this article, I will explain how to implement Flutter textfield remove underline, what it means, its role in Flutter textfield and how to remove the underline from the Flutter textfield. I will be implementing Flutter textfield remove underline step by step so you have a complete and clear idea of how to remove that default underline from the Flutter textfield. So let’s not waste your time and get right into implementing Flutter textfield remove underline in Flutter textfield.
What is Flutter Textfield Remove Underline?
In this post, I will be implementing Flutter textfield remove underline only. If you are interested in changing other properties of Flutter textfield as well then you can click here. Now let’s understand Flutter textfield remove underline. It is the underline border that you can see when you implement a simple Flutter textfield. Let’s now start implementing it using a proper example code.
Default Flutter Textfield Style
Let’s implement a simple Flutter textfield and see how it looks.
TextField()

Implementing Flutter Textfield Remove Underline Border
To remove the Flutter textfield underline border, you have to use the decoration constructor of the Flutter textfield. I have passed the input decoration class to the decoration constructor and by using the border constructor of the input decoration class, you can remove the underline border of the Flutter textfield. Let’s implement Flutter textfield remove underline using code:
TextField( decoration: InputDecoration( border: InputBorder.none, filled: true, fillColor: Colors.blue.shade100), )

Beautiful Flutter Textfield Source Code
import 'package:flutter/material.dart'; void main() { runApp(const MyApp()); } class MyApp extends StatelessWidget { const MyApp({Key? key}) : super(key: key); @override Widget build(BuildContext context) { return MaterialApp( debugShowCheckedModeBanner: false, home: Homepage(), ); } } class Homepage extends StatefulWidget { @override State<Homepage> createState() => _HomepageState(); } class _HomepageState extends State<Homepage> { @override Widget build(BuildContext context) { return SafeArea( child: Scaffold( body: Center( child: Padding( padding: EdgeInsets.symmetric(horizontal: 40), child: Column( mainAxisAlignment: MainAxisAlignment.center, children: [ TextField( style: TextStyle(color: Colors.grey), cursorColor: Colors.grey, decoration: InputDecoration( border: InputBorder.none, filled: true, fillColor: Colors.grey.withOpacity(.08), prefixIcon: Icon( Icons.email, color: Colors.grey, ), suffixIcon: Icon( Icons.visibility, color: Colors.grey, ), labelText: 'Enter your email', labelStyle: TextStyle(color: Colors.grey.withOpacity(.8)), enabledBorder: OutlineInputBorder( borderSide: BorderSide(color: Colors.grey), borderRadius: BorderRadius.circular(30).copyWith( bottomRight: Radius.circular(0), topLeft: Radius.circular(0))), focusedBorder: OutlineInputBorder( borderSide: BorderSide(color: Colors.grey), borderRadius: BorderRadius.circular(30).copyWith( bottomRight: Radius.circular(0), topLeft: Radius.circular(0)))), ) ], ))), )); } }
Conclusion
In conclusion, now you have learnt how to implement Flutter textfield remove underline. Implement it in your Flutter application and let me know if you have any queries in the comment section. I’d be glad to see your feedback. I would love to see you in my other articles on Flutter app development and many more. That’s all for this blog post. Thanks for reading it.