Code 128 Barcode Generator
Create Code 128 barcodes for labels, packaging and inventory
Generating...
Code 128 Barcode Generated!
Tool used 0 times
Free Code 128 Barcode Generator - Create Professional 1D Barcodes
What is Code 128?
Code 128 is a high-density linear barcode symbology that can encode the full 128 ASCII character set. It's one of the most widely used barcode formats for logistics, shipping, inventory management, and product identification.
Code 128 is compact, reliable, and supported by virtually all barcode scanners worldwide. It's ideal for encoding serial numbers, product codes, tracking numbers, and alphanumeric data.
Key Features
- Full ASCII Support - All 128 characters
- High Density - Compact encoding
- Universal Compatibility - All scanners
- PNG Format - High quality output
- Customizable Size - Adjust bar width & height
- Free - No registration required
How to Generate Code 128 Barcode
- Enter Data - Type the text, numbers, or alphanumeric string to encode.
- Adjust Size - Set bar width (1-10px) and height (20-200px) for your needs.
- Generate - Click the button to create your barcode instantly.
- Download - Save as PNG for printing or digital use.
- Test - Always scan the barcode before mass printing to ensure readability.
Tip: For small labels, use bar width of 2-3px and height of 40-50px. For large prints or distant scanning, increase bar width to 4-6px and height to 80-100px.
Code 128 Barcode Use Cases
Logistics & Shipping
- Package Tracking - Courier & postal services
- Shipping Labels - FedEx, UPS, DHL identifiers
- Pallet Management - Warehouse operations
- Supply Chain - Product movement tracking
- Inventory Control - Stock level management
- Asset Tracking - Equipment identification
Retail & Manufacturing
- Product Labels - Serial numbers & SKUs
- Shelf Tags - Retail inventory
- Internal Systems - Company-specific codes
- Quality Control - Batch and lot tracking
- Returns Management - RMA numbers
- Document Tracking - File and record IDs
Best Practices for Code 128
Do's
- Test barcodes before mass printing
- Use adequate white space (quiet zones)
- Ensure good print quality and contrast
- Choose appropriate size for scan distance
- Keep encoded data concise
Don'ts
- Don't make barcodes too small to scan
- Avoid low-quality printing or fading
- Don't stretch or distort barcode images
- Avoid reflective or glossy surfaces
- Don't encode unnecessarily long data
Industry Standard:
Code 128 is the preferred barcode for GS1-128 (formerly UCC/EAN-128), used globally in supply chains. For shipping labels, use bar width of 2-3px and height of 50-60px for optimal scanner compatibility!