Barcodes Wiki

Learn about barcodes, QR codes, and barcode scanning technology. Comprehensive guides and tutorials.

1D vs 2D Barcodes: Complete Comparison Guide

Compare 1D linear and 2D matrix barcodes. Understand technical differences, use cases, data capacity, and how to choose the right type.

Aztec Code: Complete Guide to High-Density 2D Barcodes

Discover Aztec Code barcodes for transportation, ticketing, and mobile technology. Learn about technical specs and implementation strategies.

Barcode Lookup: How to Find Product Information from Any Barcode

How to look up barcodes and find product information. Covers free lookup tools, GS1 databases, GTIN search, and what barcode numbers reveal.

Barcode Print Quality & Verification: Complete Guide

Master barcode print quality standards, ISO grading, and verification processes. Ensure your barcodes scan reliably with this complete guide.

Understanding Barcode Numbers: What the Data Means

How to read and interpret barcode numbers. Understand GS1 country prefixes, manufacturer codes, product identifiers, and check digits.

Barcode Scanner App vs Browser Scanner: Which Is Better?

Compare dedicated barcode scanner apps with browser-based scanners. Understand trade-offs in privacy, speed, features, and convenience.

Barcode Scanner for Inventory: How to Set Up a Scanning System

Use barcode scanners for inventory management. Compare handheld scanners, phone scanning, and dedicated devices with setup and integration tips.

How to Check if a Product is Real or Fake with a Barcode Scanner

Use barcode scanners to verify product authenticity and detect counterfeits. Covers GS1 validation, check digits, red flags, and authentication.

Barcode Scanner Not Working? Troubleshooting Guide

Fix common barcode scanner problems. Covers phone camera issues, USB scanner fixes, browser scanner solutions, and environmental factors.

Barcode vs QR Code vs RFID: Which Technology Do You Need?

Compare barcodes, QR codes, and RFID side by side. Covers cost, read range, data capacity, speed, and the best use cases for each technology.

Barcode vs QR Code: Key Differences and When to Use Each

Compare traditional 1D barcodes and QR codes side by side. Learn the technical differences, data capacity, use cases, and which format fits your needs.

Barcodes Across Industries: How Barcode Scanners Transform Business Operations

How barcode scanners transform retail, healthcare, logistics, and manufacturing operations. Includes a complete implementation guide.

Barcodes for Amazon FBA: Requirements, FNSKU, and How to Get Started

Learn about Amazon FBA barcode requirements — the difference between UPC, EAN, and FNSKU barcodes, when to use each, and how to avoid listing suspensions.

Barcodes in Healthcare: GS1, UDI, and Patient Safety

How barcodes protect patients and enable healthcare traceability. Covers pharmaceutical serialization, medical device UDI, and medication verification.

Best Barcode Scanner Apps in 2026: Free Options for iPhone & Android

Compare the best barcode scanner apps for iPhone, Android, and PC. Covers free options, privacy, inventory use, and browser-based alternatives.

Bulk Barcode Generator: How to Create Hundreds of Barcodes at Once

Create hundreds or thousands of barcodes at once. Compare bulk generation methods, formats, and tools for inventory, retail, and warehouse use.

Choosing the Right Barcode Type for Your Business

A comprehensive guide to selecting the perfect barcode format for your specific needs. Compare features, benefits, and use cases.

Codabar Barcode: Complete Guide to Library, Blood Bank, and Legacy Applications

Learn about Codabar barcodes used in libraries, blood banks, and FedEx airbills. Covers encoding, structure, and modern alternatives.

Code 128 Barcode: Complete Guide for Logistics and Shipping

Learn about Code 128 barcodes: technical specifications, shipping applications, and why Code 128 is preferred for supply chain operations.

Code 128 vs Code 39: Choosing the Right Linear Barcode

Compare Code 128 and Code 39 barcodes in density, character set, error checking, and industry use. Learn which linear barcode format fits your application.

Code 128 vs Code 93: Choosing the Right Alphanumeric Barcode

Compare Code 128 and Code 93 in density, character sets, error checking, and industry use. Learn which barcode format fits your application.

Code 39 Barcode: Complete Guide to the Original Alphanumeric Standard

Learn about Code 39, the alphanumeric barcode used in automotive, defense, and healthcare. Covers encoding, specifications, and implementation.

Code 93 Barcode: Complete Guide to High-Density Alphanumeric Encoding

Learn about Code 93, a compact alternative to Code 39 with higher density and error checking. Covers structure, encoding, and use cases.

Data Matrix Barcode: Complete Guide to 2D Matrix Codes

Explore Data Matrix barcodes for electronics, healthcare, and manufacturing. Learn technical specs, benefits, and implementation strategies.

EAN-13 Barcode: Complete Guide to International Retail Standards

Learn about EAN-13 barcodes, the international retail product identification standard. Covers structure, encoding, GS1 registration, and use.

EAN-13 vs EAN-8: Which Product Barcode Do You Need?

Compare EAN-13 and EAN-8 barcodes — when to use the full-size vs. compact format, how they differ in structure, and which one your product packaging requires.

EAN-13 vs UPC-A: Which Product Barcode Do You Need?

Compare EAN-13 and UPC-A barcodes side by side. Learn when to use each format, how they relate to each other, and which one your product needs for retail sales.

EAN-8 Barcode: Complete Guide to Compact Retail Codes

Learn about EAN-8 barcodes for small product packaging. Technical specifications, retail applications, and when to choose EAN-8 over EAN-13.

Free Barcode Generator: How to Create Barcodes Online

Compare the best free barcode generators for professional barcodes. Covers online tools, desktop software, and apps for UPC, EAN, QR, and more.

GS1-128 Barcode: Complete Guide to Supply Chain Standards

Master GS1-128 barcodes with Application Identifiers, SSCC shipping codes, and supply chain best practices for warehouse and distribution.

How Much Does a GS1 Barcode Cost? 2026 Pricing Breakdown

GS1 barcode costs explained: company prefix fees, annual renewals, single GTIN options, and alternatives. Updated with 2026 GS1 US pricing.

GS1 Data Matrix: Complete Guide to Serialization and Traceability

Learn about GS1 Data Matrix for healthcare serialization and pharmaceutical traceability. Covers Application Identifiers, FNC1, and compliance.

GS1 QR Code: Complete Guide to Digital Link Barcodes

Learn about GS1 QR Codes for consumer engagement, product authentication, and the Digital Link standard. Covers encoding and use cases.

GS1 Sunrise 2027: What the Shift to 2D Barcodes Means for Retail

Understand GS1's Sunrise 2027 initiative — why retail is moving to 2D barcodes at point of sale, what it means for brands and retailers, and how to prepare.

How Barcodes Work: The Science Behind the Scan

Understand the technology behind barcodes — how data is encoded in bars and spaces, how scanners read them, and why different barcode formats exist.

How to Create a Barcode in Excel: 3 Methods That Work

Create barcodes in Microsoft Excel. Covers font-based methods, VBA automation, add-in options, and generating scannable barcodes in spreadsheets.

How to Create Inventory Barcodes: Free Setup Guide

How to create barcode labels for inventory. Choose the right format, set up a numbering system, and print professional labels.

How to Create a QR Code for WiFi: Connect Guests Instantly

Create a QR code for WiFi that lets guests connect instantly. Step-by-step instructions for homes, businesses, hotels, and restaurants.

How to Create a Shipping Label Barcode: Complete Guide

Create barcodes for shipping labels. Covers USPS, UPS, FedEx, and DHL requirements plus GS1-128 SSCC codes for commercial logistics.

How to Get a Barcode for Your Product: Step-by-Step Guide

How to get a barcode for your product. Covers GS1 registration, UPC and EAN codes, costs, timelines, and steps for new product launches.

How to Make a Barcode for Etsy Products: Seller's Guide

Create barcodes for Etsy products. Learn about UPC and EAN requirements, when barcodes are needed, and how to generate and apply them.

How to Make a QR Code for a Restaurant Menu: Free Guide

Create a free QR code for your restaurant menu. Set up a digital menu, generate QR codes, print table cards, and update without reprinting.

How to Print Barcode Labels at Home or Office

Print professional barcode labels at home or in your business. Covers printer types, label materials, software options, and printing steps.

How to Scan a Barcode on iPhone and Android: Complete Guide

How to scan barcodes with your phone. Step-by-step instructions for iPhone and Android with tips for product codes, QR codes, and fixes.

ITF-14 Barcode: Complete Guide to Outer Case and Shipping Identification

Learn about ITF-14 barcodes for shipping cartons and cases. Covers GS1 structure, bearer bars, packaging levels, and logistics implementation.

PDF417 Barcode: Complete Guide to Portable Data Files

Discover PDF417 barcodes for identification documents, transportation, and government applications. Covers specs, use cases, and implementation.

PDF417 vs QR Code: Which 2D Barcode Format Do You Need?

Compare PDF417 and QR codes in data capacity, scanning, size, and use cases. Learn when to use each 2D barcode format for IDs, tickets, logistics, and more.

The Ultimate QR Code Guide: Everything You Need to Know

Learn everything about QR codes - how they work, what they can store, and how to use them safely. Complete guide for beginners and experts.

QR Code vs Data Matrix: Which 2D Barcode Should You Use?

Compare QR codes and Data Matrix barcodes in size, data capacity, scanning, and use cases. Learn which 2D barcode format fits your application.

Scan Barcode from Image: How to Upload and Decode Photos & Screenshots

Scan barcodes from photos, screenshots, PDFs, and saved images. Upload any image containing a barcode to decode it instantly — no app or camera needed.

Small Business Barcode Implementation: Complete Setup Guide

Everything small businesses need about barcodes. Covers barcode types, GS1 registration, equipment, label printing, and POS integration.

UPC-A Barcode: The Complete Guide to North American Product Codes

Master UPC-A barcodes: technical details, retail applications, and implementation best practices for North American product identification.

UPC-A vs UPC-E: Full-Size vs Compact Product Barcodes

Compare UPC-A and UPC-E barcodes. Learn when to use the compact UPC-E format, how zero suppression works, and which format your product packaging requires.

UPC-E Barcode: Complete Guide to Compressed Product Codes

Learn about UPC-E, the compressed UPC-A for small retail packaging. Covers technical structure, zero suppression rules, and best practices.

Warehouse Barcode Systems: Setup and Best Practices

Design a warehouse barcode system from scratch. Covers barcode selection, scanner hardware, WMS integration, location labeling, and accuracy.