Barcode Generator
Create Code 128, EAN, UPC, Code 39, and ITF-14 barcodes locally, adjust their appearance, and download PNG or SVG files.
Create downloadable retail, inventory, and shipping barcodes in your browser.
AbsolTools makes commonly used online tools more accurate and easier to use. Every task happens only in your browser, without being stored separately or sent to a server. Bookmark this site for easy access.
Create a barcode that scans reliably
Choose the format required by the receiving system, enter its data, and keep a clear quiet zone around the bars. EAN, UPC, and ITF-14 can calculate a missing check digit; test the final print at its real size because screens do not reproduce every printer, label stock, or scanner condition.
Validation is not product registration
The tool checks format rules and renders locally in this browser tab. A mathematically valid EAN, UPC, or ITF-14 code does not prove that its company prefix or number was allocated by GS1 or accepted by a retailer.
Frequently asked questions
What is a check digit?
It is the final digit calculated from the preceding digits. For EAN-13, UPC-A, EAN-8, and ITF-14, you may enter the payload without it and the generator will add it, or enter the full value for validation.
Why does quiet zone and print testing matter?
Scanners need blank space on both sides to find the bars. Preserve that margin and test the exported code after printing at its intended size and material.
Does a valid barcode mean it is registered with GS1?
No. Format and check-digit validation cannot confirm ownership, GS1 allocation, retailer listing, or product registration.