Build smarter.
Create faster.
Welcome to the mC0de Sandbox Tools — a growing collection of practical utilities for developers, designers, creators, and website owners. From checking domains and securing websites to generating QR codes, optimizing SEO, and transforming code, everything you need is just a click away.
Explore the Tools
Choose a tool and start creating.
Domain & Network Tools
Explore WHOIS records, DNS configurations, and IP address information in one place.
SSL Certificate Checker
Inspect a website’s SSL certificate, expiration date, and essential certificate details.
JSON Formatter & Validator
Format, validate, and clean up JSON data with helpful error feedback.
QR Code Generator
Turn links or text into stylish, scannable QR codes and download them as PNG images.
URL Shortener
Convert long website addresses into short, convenient links you can copy and share.
CSS Gradient Generator
Design colorful gradients with live previews, adjustable color stops, and ready-to-use CSS.
Code Minifier
Clean up HTML, CSS, and JavaScript by reducing unnecessary characters and whitespace.
SEO Toolkit
Explore 17 SEO utilities for meta tags, content optimization, technical checks, and keywords.
Fancy Text Generator
Transform ordinary text into 81 creative Unicode styles, symbols, and decorative variations.
Code & Crypto Toolkit
Encode, decode, hash, and obfuscate code using 15 practical developer utilities.