QR, Barcode & Identifiers Tools
Free client-side utilities for generating customizable QR codes, scanning barcodes via webcam, EAN/UPC retail codes, ISBN book tools, and UUID/GUID generators. All tools run 100% in your browser with zero server uploads and instant processing.
Universal QR Code Generator
Create custom, high-resolution vector SVG and PNG QR codes with logo overlay and styling
Online QR Code Scanner
Scan QR codes instantly via webcam or image upload with zero server transmissions
Wi-Fi QR Code & Guest Card Generator
Generate Wi-Fi connection QR codes and printable tabletop tent cards for guests
URL & Campaign UTM QR Generator
Generate high-intent website QR codes with automated UTM tracking parameters
Plain Text QR Code Generator
Encode plain text, multi-line instructions, and serial numbers into scannable QR codes
Email Pre-Composed QR Generator
Generate QR codes that launch pre-filled email drafts directly in user mail apps
Phone Call & SMS QR Generator
Generate instant tap-to-call and pre-filled SMS text message QR codes
vCard Digital Business Card QR Generator
Create digital business card QR codes that save contacts directly to smartphone address books
Universal 1D Barcode Generator
Generate high-resolution vector SVG and PNG barcodes across 8 industry standards
Online Barcode Scanner
Scan 1D barcodes via webcam or uploaded product image with audio verification chime
EAN Retail Barcode Generator (EAN-13 & EAN-8)
Generate official GS1-compliant EAN-13 and EAN-8 barcodes with automated check-digit calculation
UPC Retail Barcode Generator (UPC-A & UPC-E)
Generate standard North American UPC-A retail barcodes with auto Modulo-10 checksums
Code 128 Alphanumeric Barcode Generator
Create high-density alphanumeric barcodes for logistics, warehouse bins, and shipping labels
ISBN Tools & Bookland Barcode Generator
Inspect International Standard Book Numbers, verify check digits, and generate book barcodes
ISBN-10 ↔ ISBN-13 Universal Converter
Convert bidirectionally between legacy 10-digit ISBN and modern 13-digit ISBN
UUID Generator (V4 & V1)
Generate cryptographically secure RFC 4122 random Version 4 and Version 1 UUIDs
GUID Generator & C# / SQL Formatter
Generate Microsoft Globally Unique Identifiers formatted for C#, SQL, and C++
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