1
Choose your segments
Toggle which parts of the SKU to include: category, brand, color, size, and sequence number. Enable or disable each segment to match your inventory needs.
Free SKU Generator
Generate unique SKU codes for your products instantly
A SKU generator creates structured, unique product codes from category, brand, color, size, and sequence attributes. Use it to build a consistent naming system for your e-commerce inventory in seconds.
SKU generatorProduct SKU creatorSKU number generatorInventory code maker
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Configure your SKU format
Toggle segments on or off, enter values, and pick a separator. The preview updates as you type.
Short code for the product category (e.g. ELEC, APRL, HOME)
Brand abbreviation (e.g. NK for Nike, AD for Adidas)
Color code (e.g. BLK, WHT, RED, BLU)
Size code (e.g. SM, MD, LG, XL, or numeric like 10)
Starting number for sequential IDs
Generate 1 to 100 sequential SKUs at once.
SKU preview
ELEC-NK-BLK-LG-001
How to use this SKU generator
2
Enter segment values
Type short codes for each enabled segment. Use uppercase abbreviations that are easy to recognize at a glance in your warehouse or dashboard.
3
Pick a separator and batch size
Select dash, underscore, or no separator between segments. Set how many sequential SKUs you need to generate in one batch.
4
Generate and copy your SKUs
Click Generate to create your batch. Copy individual codes or the entire list to paste into your inventory system, spreadsheet, or e-commerce platform.
SKU generator FAQ
Common questions about SKU codes, inventory naming conventions, and how to build a scalable product identification system.
What is a SKU and why do I need one?
A SKU (Stock Keeping Unit) is a unique alphanumeric code assigned to each product variant in your inventory. SKUs help you track stock levels, organize warehouse locations, speed up order fulfillment, and generate accurate sales reports. Every e-commerce business benefits from a consistent SKU system.
How should I structure my SKU codes?
A well-structured SKU moves from broad to specific: start with the category or department, then brand, then distinguishing attributes like color and size, and end with a sequential number. Keep codes short (8-16 characters), use uppercase letters, and pick a single separator. Consistency matters more than any specific format.
What is the difference between a SKU and a barcode?
A SKU is an internal code you define and control. A barcode (UPC or EAN) is a universal identifier assigned by GS1 for retail scanning. You can map your SKUs to barcodes, but SKUs are flexible shorthand designed for your own operations, while barcodes follow a global standard.
How many characters should a SKU have?
Most inventory systems work best with SKUs between 8 and 16 characters. Shorter codes are easier to read and type during warehouse operations. Avoid spaces and special characters other than dashes or underscores so your SKUs stay compatible across platforms.
Can I change my SKU system after I start selling?
You can, but it requires updating every listing, warehouse label, and integration that references the old codes. It is much easier to design a scalable SKU format from the beginning. This generator helps you plan a consistent structure before you commit.
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