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GS1 ISO/IEC 15417 / GS1 Spec

GS1-128 (UCC/EAN-128) Barcode Generator & Specification (ISO/IEC 15417)

Generate compliant GS1-128 (UCC/EAN-128) barcodes online with vector SVG and EPS output. Powered by high-speed Rust engine with strict GS1-128 validation.

Live Generator
22/500

Completes check digits when their position is clear. Use parenthesized AIs for GS1. Existing check digits are validated. Other formats keep their usual behavior.

FG
BG
🛡️Zero Data Retention: Encoded in edge memory. Never logged or stored.

Technical Specifications

Structure GS1-128 (UCC/EAN-128) Data Codewords + Error Detection / Checksum + Quiet Zones
Capacity Standard GS1-128 data capacity and density
Character Set Compliant with GS1-128 specifications
Quiet Zone Requirement ≥ 10x module width (Standard quiet zone)

Common Applications

This standard is widely used in the following industries:

Code 128 Variants, Commercial Logistics, Identification & Tracking
Input Constraints & Parity: This format computes a weighted Modulo-103 checksum across all codewords (including start characters, subset switches, and data). Internal symbols and check digits are generated automatically.
Need GS1 Application Identifier validation or Digital Link? GS1 Validator →
Developer Quickstart

Automate GS1-128 (UCC/EAN-128) via API

Full API Reference → 
curl -X POST https://api.xbarcode.ai/v1/render \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_TOKEN" \
  -d '{
  "format": "gs1_128",
  "content": "(01)12345678901231"
}' > barcode.svg
API outputs: SVG, PDF, EPS and matrix JSON. PNG is exported in the browser. < 20ms Edge latency

⚡ The Science Inside

How our Rust engine optimizes this specific format:

GS1-128 (UCC/EAN-128) Architecture & Engine Optimizations

  • Compliance: Fully compliant with GS1-128 international and industry standards.
  • Ultra-Fast Generation: Implemented in native Rust for sub-millisecond execution times and zero memory allocation overhead.
  • Print Precision: Delivers mathematically exact vector paths in SVG and print-ready CMYK EPS for flawless high-density scanning.
  • Input Validation: Edge-accelerated parsing and strict format validation ensure data integrity before rendering.
Related Standards

Alternative Symbologies related to GS1-128 (UCC/EAN-128)

Code 128
ISO/IEC 15417:2007
Open Generator →
Code 128 Subset A
ISO/IEC 15417:2007
Open Generator →
Code 128 Subset B
ISO/IEC 15417:2007
Open Generator →

Need an Industry-Grade Solution?

Explore how xBarcode powers retail GTIN, shipping labels, and GS1 Digital Link migration.

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