Barcode generator
High-quality PNG downloads, client-side only.
Barcode Generator
Generate professional barcodes in Code128, EAN-13, UPC-A, and Code39 formats. Export as PNG or SVG with instant rendering. Free, secure, client-side processing.
Supported Output
Image Outputs
PNG export with adjustable scale, padding & quiet zone.
Retail Codes
UPC-A, UPC-E, EAN-8, EAN-13 for global point-of-sale product labeling.
Industrial / Logistics
Code128, Code39, ITF, Codabar for shipping, inventory & internal tracking.
How Barcode Generation Works
Enter the data to encode, choose the barcode standard and visual options, then export a high-resolution PNG.
Enter payload
Type or paste the numeric/text data to encode.
Choose format
Select barcode standard and visual settings.
Export
Download a PNG optimized for scanning or printing.
Use Cases
Retail Labels
Generate barcodes for product labels and pricing.
Logistics
Create scannable codes for shipping and inventory.
Prototyping
Quickly create test barcodes during development and printing.
Security & Privacy
Data Handling
Input data is not transmitted and remains in browser memory only.
Privacy Protection
No server-side storage.
Security Recommendations
Verify barcode standard checksum requirements (e.g., UPC/EAN) before production use.
Barcode Standards Explained
Understanding the differences between common barcode symbologies helps you choose the right one for retail, logistics, or internal tracking.
UPC-A
12-digit numeric retail barcode widely used in North America. Encodes manufacturer + product + check digit. Required for most packaged goods entering POS systems.
- Digits: 12 (incl. check)
- Use: Retail product identification
- Requires valid GS1 assignment
UPC-E
Compressed 8-digit version of UPC-A that suppresses zero patterns for small packaging. Expands algorithmically back to a full UPC-A on scanning devices.
- Digits: 8 (compressed form)
- Use: Small retail items
- Maps to full UPC-A internally
EAN-8
Short 8-digit international retail code for very small items. Provides global compatibility in markets using the EAN system where full EAN-13 would not fit.
- Digits: 8 (incl. check)
- Use: Small packaged goods
- International GS1 standard
EAN-13
13-digit global retail standard encoding country prefix, manufacturer, product and check digit. Dominant outside North America; interoperable with UPC at point of sale.
- Digits: 13
- Use: Worldwide retail distribution
- High scanner support
Code128
High-density, variable-length 1D barcode supporting full ASCII via subsets (A, B, C). Ideal for logistics, shipping labels and internal tracking needing compact encoding.
- Charset: Full ASCII (encodable)
- Use: Shipping / inventory / GS1-128
- Pros: Dense, includes check
Code39
Simple alphanumeric symbology (A–Z, 0–9 and limited symbols). Lower data density than Code128 but easy to implement and widely used in industrial & asset labeling.
- Charset: A–Z, 0–9, - . $ / + %
- Use: Asset tags / manufacturing
- Pros: Simple, checksum optional
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