Developer Playground
A collection of interactive developer tools I've built for testing and experimentation
Quick Tools Overview
🌐 API Tester
Test REST APIs with GET, POST, PUT, DELETE methods. View formatted responses with headers and status codes.
✨ JSON Formatter
Format, validate, and beautify JSON data. Syntax highlighting and error detection included.
🔐 Base64 Encoder/Decoder
Encode and decode Base64 strings. Useful for API authentication and data transmission.
🔗 URL Encoder/Decoder
Encode and decode URL parameters for API testing and web development.
🧮 Subnet Calculator
Calculate network information, subnet masks, and IP ranges for network configuration.
🔑 UUID Generator
Generate v4 UUIDs for database records, API keys, and unique identifiers.
🌐 API Tester
Test REST API endpoints with different HTTP methods and view formatted responses.
✨ JSON Formatter & Validator
Format, validate, and beautify JSON data with syntax highlighting.
🔐 Base64 Encoder/Decoder
Encode and decode Base64 strings for API authentication and data transmission.
🔗 URL Encoder/Decoder
Encode and decode URL parameters for API testing and web development.
🧮 Subnet Calculator
Calculate network information, subnet masks, and IP ranges.
🔑 UUID Generator
Generate v4 UUIDs for database records, API keys, and unique identifiers.
About This Playground
This collection of tools demonstrates practical JavaScript development and API interaction patterns. All tools run client-side in your browser — no data is sent to external servers (except for the API Tester when you specify an endpoint).
Technologies Used:
- Vanilla JavaScript (ES6+)
- Fetch API for HTTP requests
- Client-side data processing
- Responsive CSS Grid layout
Planned Additions:
- JWT Decoder & Validator
- Hash Generator (MD5, SHA-256)
- Regex Tester
- Network Port Scanner (client-side)
- Color Code Converter
| Back to Home | View Projects | Contact Me |