How to Use This Tool
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1
Enter Your Data
Type your text, URL, or numbers in the input field above
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2
Customize Settings
Adjust size, colors, and other options to match your needs
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3
Generate & Download
Click generate and download in PNG, SVG, or other formats
Key Features
Instant conversion
Batch processing supported
Maintains data integrity
Free downloads
No registration required
About This Tool
What is Code 128?
Code 128 is a high-density 1D barcode that can encode all 128 ASCII characters — letters, numbers and symbols. Its compactness and reliability make it the workhorse of shipping, logistics and internal inventory systems.
- Encodes: Full ASCII (128 chars)
- Type: 1D linear, high density
- Check: Built-in checksum
Code 128 to Code 39 Converter
This converter changes your number to and from Code 128 and its related formats, recalculating the check digit for you so the result is always valid.
Where Code 128 is used
- Shipping and logistics
- Warehouse and inventory
- Asset and equipment tracking
When to use Code 128
Use Code 128 for shipping labels, cartons, asset tags and any application that needs letters and numbers in a compact 1D symbol.