Blog
Guides pratiques sur les dimensions, l’impression, la conformité et le dépannage.
Barcode X-Dimension & Magnification: Why You Cannot Just Shrink a Barcode
The X-dimension is the width of the narrowest bar, and it sets the floor for every other size decision. Here is how to choose one for your label and printer.
Lire l’article →Barcode Quiet Zone: How Wide It Really Needs to Be (and Why Trimming Kills Scans)
The quiet zone is the blank margin on each side of a barcode. Cut it to fit a design and the scanner loses its reference point.
Lire l’article →Logistics Label Placement Rules: Where the Barcode Goes (and the Mistakes That Get You Fined)
Carton barcode placement is governed by retailer and carrier specs. Getting it wrong means chargebacks, not just failed scans.
Lire l’article →2026 Retail Barcode Compliance Guide: GS1-128, SSCC and What Marketplaces Expect
A supplier-facing checklist for retail barcodes: GTINs, carton codes, SSCC labels and the print quality rules behind them.
Lire l’article →SSCC-18 Explained: The 18 Digits, the Check Digit, and Why You Can Never Reuse One
The SSCC ties a pallet or carton to a unique shipment. Here is how the 18 digits are built and checked.
Lire l’article →Barcode Prints But Won’t Scan: The 12 Causes, In the Order You Should Check Them
A printed barcode that will not scan has a finite set of causes. Work through them from cheapest to most expensive.
Lire l’article →Barcode Color: Why Red Bars Won’t Scan (and the Other Color Traps)
Scanners read with red light. Anything that looks like white to that light behaves like a space, no matter how dark it looks to you.
Lire l’article →Excel/CSV Leading Zeros: Why Your Barcodes Come Out One Digit Short
Spreadsheets silently drop leading zeros and round long numbers. Fix the cell format before you export.
Lire l’article →Barcode Scans but the System Rejects It: Encoding vs. Database
A scanner beep only means the symbol decoded. Whether the data is accepted is a separate question.
Lire l’article →Barcode Scans on Screen but Not When Printed: Isolate the Printer
If the same image scans on screen and fails on paper, the data and encoding are fine. The print path is the suspect.
Lire l’article →Barcode Prints Blurry at High Speed: Why Print Speed Blurs Bars
A label that scans on a slow test print but fails in production is usually a heat and speed problem, not a barcode problem.
Lire l’article →Barcode Scanner Configuration: Symbologies, Prefixes, and Firmware
A scanner that beeps but outputs nothing — or reads the wrong symbology — is usually misconfigured, not broken.
Lire l’article →Barcode Truncated, Stretched, or Scaled: How Resizing Breaks Scans
Truncating to fit a label, stretching to look wider, or scaling in a design tool all change the geometry a scanner relies on.
Lire l’article →Which Barcode Do You Actually Need? Code 128 vs EAN-13 vs UPC-A
A plain-English guide to picking a barcode for retail, logistics, internal asset tags and 2D use cases.
Lire l’article →The Complete Guide to Barcode Generation: How It Works and Batch Generation in Practice
From encoding principles to production workflows: what happens between typing a value and holding a scannable label.
Lire l’article →Online Barcode Reader: Scan a Barcode with Camera or Image
How to read a barcode in the browser, what formats are supported, and why some images fail.
Lire l’article →HIBC Barcode Decoder Guide: How to Read HIBC Code 128 Data
HIBC codes carry a licence number, product code and unit-of-measure inside a standard Code 128 symbol. Here is how to parse them.
Lire l’article →Amazon Barcode Generator Guide: UPC, EAN, FNSKU and What Sellers Need to Know
Which barcode goes on the product, which goes on the carton, and where FNSKU fits in.
Lire l’article →How to Create Code 128 Barcodes in Bulk from Excel or CSV
A step-by-step workflow for turning a spreadsheet column into hundreds of Code 128 labels.
Lire l’article →ISBN to Barcode: How to Convert an ISBN into a Bookland EAN-13 Barcode
An ISBN-13 is already the payload of a book barcode. Here is what changes, what the 978/979 prefix means, and how to print it.
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