Dart - Convert All Characters of a String in Lowercase Last Updated : 07 Apr, 2025 Comments Improve Suggest changes 3 Likes Like Report With the help of the toLowerCase() method in the string will convert all the characters in a string in lowercase.Syntax: String.toLowerCase() Return: string Image Representation: Example 1: Dart // main function start void main() { // initialise a string String st = "GEEKSFORGEEKS"; // print the string in lowercase print(st.toLowerCase()); } Output:geeksforgeeksExample 2: Dart // main function start void main() { // initialise a string String st = "Computer Science"; // print the string in lowercase print(st.toLowerCase()); } Output:computer science Comment C cse1604310056 Follow 3 Improve C cse1604310056 Follow 3 Improve Article Tags : Dart Dart-String Explore Dart Tutorial 7 min read BasicsIntroduction to Dart Programming Language 4 min read Dart SDK Installation 4 min read Dart - Comments 2 min read Dart - Variables 5 min read Operators in Dart 11 min read Dart - Standard Input Output 3 min read Data TypesDart - Data Types 8 min read Basics of Numbers in Dart 6 min read Strings in Dart 6 min read Dart - Sets 6 min read Dart Programming - Map 7 min read Queues in Dart 3 min read Data Enumeration in Dart 3 min read Control FlowSwitch Case in Dart 2 min read Dart - Loops 4 min read Dart - Loop Control Statements (Break and Continue) 4 min read Labels in Dart 2 min read Key FunctionsDart - Anonymous Functions 2 min read Dart - main() Function 2 min read Dart - Common Collection Methods 2 min read How to Exit a Dart Application Unconditionally? 2 min read Dart - Getters and Setters 3 min read Dart - Classes And Objects 4 min read Object-Oriented ProgrammingDart - this keyword 2 min read Dart - Static Keyword 3 min read Dart - Super and This keyword 4 min read Dart - Concept of Inheritance 5 min read Instance and class methods in Dart 3 min read Method Overriding in Dart 3 min read Getter and Setter Methods in Dart 2 min read Abstract Classes in Dart 4 min read Dart - Builder Class 4 min read Concept of Callable Classes in Dart 4 min read Interface in Dart 3 min read Dart - extends Vs with Vs implements 4 min read Dart - Date and Time 3 min read Using await async in Dart 4 min read Dart UtilitiesHow to Combine Lists in Dart? 3 min read Dart - Finding Minimum and Maximum Value in a List 5 min read Dart - Splitting of String 1 min read Dart ProgramsDart - Sort a List 2 min read Dart - String toUpperCase() Function with Examples 1 min read Dart - Convert All Characters of a String in Lowercase 1 min read How to Replace a Substring of a String in Dart? 2 min read How to Check String is Empty or Not in Dart (Null Safety)? 1 min read Exception Handling in Dart 3 min read Assert Statements in Dart 3 min read Fallthrough Condition in Dart 3 min read Concept of Isolates in Dart 2 min read Advance ConceptsDart - Collections 7 min read Dart - Basics of Packages 2 min read Dart - String codeUnits Property 1 min read HTML Document Object Model and Dart Programming 3 min read Like