Interleaved 2 of 5 (ITF) barcode generator
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Need many at once? Bulk Interleaved 2 of 5 (ITF) generator
About Interleaved 2 of 5 (ITF)
Interleaved 2 of 5 encodes digits in pairs by interleaving five bars and five spaces, one of which is wide. It is very space-efficient and common on distribution cartons.
Valid input
- Digits only, and the total digit count must be even. If you have an odd count, left-pad with a zero.
- A mod-10 check digit is recommended - readers often require it to avoid partial-scan errors.
- Quiet zone: at least 10 module widths each side. Bearer bars are strongly recommended.
Related barcode types
Guides
- How to Print Barcode Labels That Actually Scan
DPI, X-dimension, quiet zone, and the handful of print settings that decide whether your label works. A practical guide for anyone printing labels at real volume.
- Why Won't My Barcode Scan? A 7-Step Checklist
A checklist for diagnosing barcode scan failures, covering quiet zones, contrast, print resolution, physical damage, wrong symbology, check digits, and scanner distance.