DevUtils
All-in-one toolkit
Text
Text Converter
Transform, clean & convert text
Diff Viewer
Compare two texts and highlight changes
Data
JSON Converter
Validate, format, auto-fix & convert JSON
Object Key Converter
Transform field names and formats
Mock API Generator
Create stateless dummy API JSON responses
Dev Tools
JWT Decoder
Decode & inspect JWT tokens
Code Formatter
Beautify, indent, and format code
HTML Editor
Edit and preview HTML & CSS in real-time
Utility
QR Generator
Generate QR codes for URLs, text, and more
Resume Builder
Build and export an ATS-friendly resume
Business Card
Create a shareable digital business card
Create Profile
Generate and share your profile card via URL
Learn
DSA
Interactive Data Structures & Algorithms visualizers
HTTP Codes
HTTP Status Codes
Java Editor
Powered by Piston API · runs on server
Run
Reset
Java
1
2
3
4
5
public class Main { public static void main(String[] args) { System.out.println("Hello, World!"); } }
Output
Press Run to execute your code.