Quadratic Equation Solver (ax² + bx + c = 0)
About Barcode Generator — ITF-14
The Interleaved 2 of 5 (ITF-14) Shipping Carton Barcode Generator creates 14-digit GS1 shipping container barcodes with heavy Bearer Bars for printing directly on corrugated cardboard boxes, master cartons, and warehouse pallets.
How to Use Barcode Generator — ITF-14
Step 1
Enter your 13-digit base GTIN number.
Step 2
Select Bearer Bar style (Full Frame recommended for labels, Top/Bottom for direct carton print).
Step 3
Check the calculated 14th check digit.
Step 4
Download print-ready vector SVG.
Practical Use Cases for Barcode Generator — ITF-14
Master Shipping Box & Pallet Labeling for Warehouses
Generate rugged ITF-14 barcodes for outer corrugated master shipping cartons scanned on high-speed automated warehouse conveyor belts.
Corrugated Cardboard Direct Flexographic Printing
Generate Bearer Bars around ITF-14 symbols to equalize printing plate pressure and prevent partial barcode misreads.
Input & Output Examples
Generating ITF-14 Shipping Carton Barcode
13-Digit Base: `1501234567890` (Packaging Indicator: `1`)
Full 14-Digit ITF-14: `15012345678907` (Calculated Check Digit: `7`) with Heavy Protective Bearer Bars
Key Features & Performance
- ✓Bearer Bar styles: Full Frame (All 4 sides) or Top/Bottom Horizontal Rails (for flexo printing).
- ✓Automatic Modulo-10 Check Digit calculation for 13-digit inputs.
- ✓Supports Packaging Indicator prefix digits (1-8 for variable case quantities, 9 for variable measure).
- ✓100% Client-Side vector barcode engine.
- ✓1-Click Download vector SVG / print-ready PNG.
Key Terminology & Definitions
ITF-14 (Interleaved 2 of 5)
A 14-digit barcode symbology encoding GTIN numbers in pairs of interleaved dark bars and light spaces for master shipping cartons.
Bearer Bars
Heavy rectangular black borders framing the barcode to equalize printing plate pressure on corrugated cardboard and prevent short-scan misreads.