The growth of online purchasing has made manual inventory management difficult. Thousands of products, with varying sizes, colors, and expiration dates, are stored in warehouses, especially in the FMCG, pharmaceutical, and cosmetics industries, which require precise tracking of their arrival, storage, and stock levels.
Many businesses try to manage all this using Excel. It works for a while. But as order volumes grow into thousands or even lakhs, cracks start to show. Soon, you’re dealing with:
- Wrong picking and delayed orders
- Missing or misplaced inventory
- Stock theft is going unnoticed
- Old stock piling up while newer inventory moves out
The best way to solve these problems is by using an automated system that makes inventory tracking easy and accurate. An inventory barcode software solution allows every item to be scanned, tracked, and updated in real time, reducing errors and improving visibility, especially for high-value products like jewelry and electronics.
In this blog, we’ll dive into everything you need to know: How to implement a barcode system for inventory, the different types of barcodes, why your business needs one, the advantages and disadvantages, and more.
What is an Inventory Barcode Software?
A barcoding system is a computerized system that represents products in your warehouse or anywhere you store inventory, using square or rectangular patterns of black lines with precise heights and thicknesses.
It’s connected to computers and scanners, and lately even to your phone, so you can track, manage, and organize inventory in real time using barcodes.
A barcode system reduces human error, expedites warehouse processes, and increases overall efficiency compared with manual methods such as Excel spreadsheets. It is particularly helpful for sectors such as e-commerce, FMCG, cosmetics, electronics, pharmaceuticals, and fashion that have large, complex inventories.
A barcode inventory management system allows you to:
- Monitor every item from delivery to shipping.
- Track expiry dates and execute FIFO/FEFO processes
- Minimize lost or misplaced inventory
- Simplify returns, packaging, and choosing
- Accurate reporting and visibility across many warehouses
Implementing this software is crucial for accuracy, efficiency, and complete operational control in today’s fast-paced retail and e-commerce environments.
Understanding All About Barcodes & Their Types in Inventory Management
Mostly known brands rely on these systems to track thousands of SKUs in real-time, ensuring fast order fulfillment, accurate restocking, and zero confusion on the warehouse floor.
In barcoding, labels are generated and applied to each SKU or item. Scanning a single barcode instantly retrieves details like product name, size, and color, making inventory management seamless.
But not all barcodes are created equal. In the fast-paced world of e-commerce, choosing the right barcode type for your business can significantly improve efficiency, accuracy, and speed.
So, which one suits your company best? Let’s break it down.
1D Barcodes
1D Barcodes are linear barcodes widely used in product packaging. In these barcodes, information is stored in a single dimension using parallel vertical lines with varying widths. Some popular examples include UPC (Universal Product Code) and EAN (European Article Number):
- UPC – A 12-digit code represented by bars and spaces, commonly used to streamline inventory tracking in warehouses.
- EAN – A 13-digit code that looks similar to UPC but can store slightly more data, ideal for products sold internationally.
1D Barcodes are perfect for industries with standardized, high-volume products, such as FMCG companies, packaged foods, beverages, consumer electronics, fashion and apparel retailers, books and stationery, and household goods, where fast scanning, simple product identification, and efficient warehouse operations are the priority.
2D barcode
2D barcodes store information in two dimensions – horizontal and vertical. This allows them to store more data compared to 1D barcodes. Further, they are split into two categories.
1. QR codes: Today, QR codes are widely used in warehouse management and retail operations. With tools like Uniqode’s QR code generator, businesses can easily create and customize QR codes that are flexible in size, highly readable, and compatible with mobile devices.
2. Data Matrix Code: The data matrix code is used to label small items. They can work even in low resolution and with imperfect scanning positions.
2D Barcodes, on the other hand, are ideal for industries dealing with complex, detailed, or small/high-value items, such as online marketplaces, fashion and lifestyle retailers, electronics, industrial goods, cosmetics, pharmaceuticals, jewelry, and accessories, where more information per product, traceability, and compact labeling are critical.
Why Implementing a Barcode Inventory System is Essential for Inventory Control
If you are a well-known brand managing 500-10,000 SKUs every day, the problems start here: misplaced stock, incorrect picks, delayed orders, and constant inventory confusion.
That’s why top brands are moving to barcode solutions. According to recent data, 90% of large international retailers now use barcodes for point-of-sale and inventory management because they improve real-time tracking and reduce daily stock issues across warehouses.
It is now your turn. By implementing a barcode inventory management system, you can better control, expedite, and improve inventory accuracy.
These are the advantages:
1. Shelf Level Tracking for Inaccurate Stock Placement
Many times, it’s difficult to know exactly where products are stored. Barcoding at the shelf level ensures:
- Accurate placement of incoming stock
- Faster picking and fewer dispatch errors
2. Handheld Device Support for Picking Errors
Picking the wrong item can delay orders and frustrate customers. Using handheld scanners allows:
- Faster and more convenient picking process
- Instant alerts for incorrect scans, ensuring accurate order fulfillment
3. Simplify Cycle Counting for Time-Consuming Stock Verification
Manual stock checks can take hours and disrupt operations. Barcodes make cycle counting easier by:
- Speeding up stock verification through scanning
- Minimizing disruption to daily warehouse operations
4. Multi-Warehouse Visibility for Limited Inventory Oversight
Without proper tracking, high-value items can get misplaced across locations. Barcode systems provide:
- Real-time visibility across multiple warehouses
- Better monitoring with gatepass tracking
5. Expiry Date Tracking for Aging Inventory
Expired or aging stock can lead to losses if not monitored. Barcoding enables:
- Automatic tracking of product ageing
- Implementation of FIFO/FEFO processes
6. Returns Management for Operational Bottlenecks
Returned items can cause confusion and errors if not tracked. Barcodes help:
- Identify returned products quickly
- Properly allocate items back to their original shelves
Understanding Traceability Methods in Inventory Management
A single scan can follow the complete inventory path when using a barcode inventory system. Barcoding guarantees efficient and error-free procedures, from precise order processing and storage to handling returns.
You can select the best traceability technique for your business complexity based on the kind of inventory you oversee, such as FMCG, cosmetics, electronics, or pharmaceuticals.
1. SKU level Traceability
SKU-level traceability is used when individual pieces do not require a unique identity. All identical products are tracked using a single SKU barcode.
- Ideal for: Businesses where tracking by style, size, color, or batch is sufficient
- Key benefit: Track a whole lot or a batch at once
For instance:
- 100 red T-shirts → SKU123
- 100 blue T-shirts → SKU221
- Each red T-shirt shares the same barcode
2. Item-level traceability
When every piece of product is barcoded with unique SKU codes like SKU 123, SKU 124, and SKU 125.
- Ideal for: Mostly the electronic, pharmaceutical, and cosmetic industries.
- Key benefit: Track the complete lifecycle of each item, including vendor details, purchase price, batch, and movement history
For instance:
- Paracetamol 500mg, Batch A → Serial: PARA500-A-0001
- Paracetamol 500mg, Batch A → Serial: PARA500-A-0002
Step-by-Step Process to Implement a Barcode for an Inventory Management System
The goal of barcoding is to enable precise identification, tracking, and movement of items across all levels of warehouse operations, and it goes beyond just labeling. Every stage, from choosing how to track your inventory to properly printing and placing labels, is essential to a successful adoption.
Here’s a straightforward, useful explanation of how to implement a barcode inventory system.
Step 1: Determine Your Company’s Needs
Start by comprehending the inventory issues you are now facing.
- Where do picking mistakes or stock mismatches happen?
- Do you require item-level traceability or SKU-level tracking?
- How big and intricate is your inventory?
This assists you in selecting a barcode system that will work for your current operations and expand with your business.
Step 2: Describe Variants and SKUs
Prior to creating barcodes, establish a defined product hierarchy.
- Define SKUs according to product type, batch, size, color, or expiration date.
- Determine if each product requires a unique item barcode or if they all share an SKU barcode.
Confusion during picking and dispatch is avoided with a clearly defined SKU setup.
Step 3: Generate Barcodes
Once SKUs are finalized, generate barcodes for each SKU or item.
- Choose the right barcode format (1D or 2D)
- Ensure barcodes are durable and easy to scan using handheld devices or mobile apps
Step 4: Print and Apply Labels at QC
Barcodes are printed and pasted during the quality check stage.
- Only QC-approved items receive barcode labels
- Each barcode is mapped in the system, enabling scanning at every warehouse step
Vendors can also print and apply labels in advance, reducing warehouse workload.
Step 5. Prepare the Printer
Set up a compatible barcode printer that supports your label sizes and formats. This ensures labels are printed clearly and reliably for all product types. Use pre-configured barcode templates to align text and codes accurately. You can check these printers:
- Zebra GC420T
- Zebra GT800
- Zebra GT820
- Zebra ZD230
- Zebra ZD420
- TSC TA210
- TSC TTP345
- GX 430T
From SKUs to Scan-Based Tracking: How Unicommerce Enables Barcode Inventory Management
Therefore, if you’re transitioning to barcode-driven inventory management, you need a solution that gives your company 100% accuracy. Brands may arrange their warehouses according to variables like size, color, batch, and expiration date with Unicommerce’s end-to-end, barcode-based inventory tracking. Faster picking, fewer mistakes, and simpler management of intricate stocks like FMCG and cosmetics are the outcomes.
The following are the main characteristics that distinguish Unicommerce from alternative solutions:
- Barcode Generation at GRN: Barcodes can be printed directly during GRN, even for partial inwarding, eliminating the need for third-party tools.
- Batch-Level Tracking: Batches can be created based on expiry dates, enabling precise FIFO/FEFO management for FMCG and pharmaceutical inventory.
- EAN & UPC Scan Support: Globally recognized EAN and UPC barcodes can be linked to internal SKUs, allowing the use of existing product barcodes without reprinting.
- Handheld & Mobile Scanning: Barcode scanning via handheld devices or mobile apps speeds up picking, cycle counting, quality checks, and returns.
- Channel-Wise Barcoding: Item-level or bundle-level barcodes can be generated to meet specific marketplace workflows.
- Customizable Labels: Barcodes can include expiry dates, batch numbers, or product attributes to improve visibility and reduce picking errors.
These capabilities make implementation easy and smooth because Unicommerce handles the whole barcoding setup, from SKU mapping to printer utility settings. For any difficulties encountered during printer setup, on-site assistance is also offered. Important actions consist of:
- Label Printing at QC: Barcodes are printed and pasted during quality checks, with SKUs mapped in the system for scanning at any stage, picking, cycle counting, or quality checks.
- Printer Setup: A compatible barcode printer is required (models mentioned earlier).
- Download Utility File: Connect the printer, download the utility, configure settings, align the template, customize, and print.
Wrapping Up
Adopting a barcode inventory system is crucial to staying competitive as modern firms pursue smarter, more efficient processes. Although selecting the best system can be difficult, this blog has shown the importance of barcoding and how it can revolutionize inventory management.
With its all-in-one solution, Unicommerce streamlines your warehouse operations and improves inventory management beyond your wildest expectations.
FAQs:
1. How do I barcode my inventory?
You can barcode your inventory using a barcode software that lets you generate, print, and scan labels for each SKU or item. Unicommerce provides a complete solution with features like batch tracking, mobile scanning, channel-wise barcoding, and customizable labels.
2. Which barcode software is best?
Unicommerce is the ideal barcode software for inventory management. It offers end-to-end features including barcode generation at GRN, batch-level tracking, EAN/UPC support, handheld and mobile scanning, channel-specific barcodes, and customizable labels for expiry dates, batch numbers, or product attributes.
3. What is a barcode inventory system?
A barcode inventory system is a computerized solution that enables real-time tracking and management of products. It improves accuracy, boosts warehouse efficiency, streamlines operations, and provides complete visibility across your inventory.
4. How to generate a barcode for inventory?
Barcodes are generated based on SKUs or individual items using barcode software. You can choose 1D or 2D barcodes depending on your inventory type, customize them for product attributes or expiry dates, and print them during QC or at the point of GRN.
5. What type of barcode is used for inventory?
Inventory can use 1D barcodes like UPC and EAN for standardized, high-volume products, or 2D barcodes like QR codes and Data Matrix for detailed or small/high-value items such as electronics, cosmetics, pharmaceuticals, and jewelry.
6. How do I scan a barcode with my phone?
Modern barcode systems, including Unicommerce, allow scanning with mobile apps. You can scan barcodes using your phone to track inventory, perform cycle counts, process returns, and manage warehouse operations efficiently.

