MyUtilityBox Blog
Free guides and tutorials for our online tools. Learn how to generate barcodes, QR codes, format JSON, and create UUIDs.
Tool Categories
Barcode
Generate professional 1D barcodes for retail, inventory, and shipping
QR Code
Create scannable QR codes for URLs, text, and contact information
UUID
Generate RFC-compliant unique identifiers for your applications
Password
Generate strong, secure passwords, PINs, and hashes to protect your digital identity
Calculator
All Articles
Code 128 Generator - Free Online Tool
Generate Code 128 barcodes instantly with our free tool. High-quality, printable, customizable. Perfect for inventory and retail.
Code 39 Generator - Free Online Tool
Generate Code 39 barcodes instantly with our free tool. High-quality, printable, customizable. Perfect for inventory and retail.
EAN-13 Generator - Free Online Tool
Generate EAN-13 barcodes instantly with our free tool. High-quality, printable, customizable. Perfect for inventory and retail.
EAN-8 Generator - Free Online Tool
Generate EAN-8 barcodes instantly with our free tool. High-quality, printable, customizable. Perfect for inventory and retail.
UPC-A Generator - Free Online Tool
Generate UPC-A barcodes instantly with our free tool. High-quality, printable, customizable. Perfect for inventory and retail.
UPC-E Generator - Free Online Tool
Generate UPC-E barcodes instantly with our free tool. High-quality, printable, customizable. Perfect for inventory and retail.
URL / Link Generator - Free Online Tool
Create URL / Link QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
Text Generator - Free Online Tool
Create Text QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
Email Generator - Free Online Tool
Create Email QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
Phone Generator - Free Online Tool
Create Phone QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
SMS Generator - Free Online Tool
Create SMS QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
Facebook Generator - Free Online Tool
Create Facebook QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
Instagram Generator - Free Online Tool
Create Instagram QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
Twitter / X Generator - Free Online Tool
Create Twitter / X QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
YouTube Generator - Free Online Tool
Create YouTube QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
LinkedIn Generator - Free Online Tool
Create LinkedIn QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
WhatsApp Generator - Free Online Tool
Create WhatsApp QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
Wi-Fi Generator - Free Online Tool
Create Wi-Fi QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
V-Card Generator - Free Online Tool
Create V-Card QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
Event Generator - Free Online Tool
Create Event QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
Location Generator - Free Online Tool
Create Location QR codes free. Instant generation, custom styling, high-resolution output. Scan-ready codes.
JSON Formatter - Free Online Tool
Format, validate, and beautify JSON data online. Free JSON formatter with syntax highlighting and error detection.
Version 7 Generator - Free Online Tool
Generate Version 7 UUIDs instantly. Free, secure, RFC-compliant unique identifiers for databases and APIs.
Version 5 Generator - Free Online Tool
Generate Version 5 UUIDs instantly. Free, secure, RFC-compliant unique identifiers for databases and APIs.
Version 4 Generator - Free Online Tool
Generate Version 4 UUIDs instantly. Free, secure, RFC-compliant unique identifiers for databases and APIs.
Version 3 Generator - Free Online Tool
Generate Version 3 UUIDs instantly. Free, secure, RFC-compliant unique identifiers for databases and APIs.
Version 1 Generator - Free Online Tool
Generate Version 1 UUIDs instantly. Free, secure, RFC-compliant unique identifiers for databases and APIs.
Generator Generator - Free Online Tool
Generate strong, secure Generator instantly. Client-side, privacy-focused password tool for better security.
Strength Check Generator - Free Online Tool
Generate strong, secure Strength Check instantly. Client-side, privacy-focused password tool for better security.
Passphrase Generator - Free Online Tool
Generate strong, secure Passphrase instantly. Client-side, privacy-focused password tool for better security.
WiFi Generator - Free Online Tool
Generate strong, secure WiFi instantly. Client-side, privacy-focused password tool for better security.
Bulk Generator - Free Online Tool
Generate strong, secure Bulk instantly. Client-side, privacy-focused password tool for better security.
PIN Generator - Free Online Tool
Generate strong, secure PIN instantly. Client-side, privacy-focused password tool for better security.
Hash Generator - Free Online Tool
Generate strong, secure Hash instantly. Client-side, privacy-focused password tool for better security.
Entropy Generator - Free Online Tool
Generate strong, secure Entropy instantly. Client-side, privacy-focused password tool for better security.
Pattern Generator - Free Online Tool
Generate strong, secure Pattern instantly. Client-side, privacy-focused password tool for better security.