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Code 128 Barcode Generator
Create Code 128 Set B barcodes from printable ASCII text.
QR & Barcode workspaceImages and data stay in your browser; nothing is uploaded.
Privacy-focused processingBrowser processing is used wherever practical.
25-minute cleanup policyServer files, when required, are removed after completion—not during active work.
Text, pasted data or supported local filesMaximum size and exact support are shown inside the tool.
About This Tool
Generate Code 128 Set B barcodes for printable ASCII strings.
How to Use
- Enter 1–60 printable ASCII characters.
- Select the output width and preview.
- Download PNG or SVG.
Tool Features
- Code 128 Set B with checksum
- Adjustable image width
- PNG/SVG download
- Browser-only processing
Common Use Cases
Complete repetitive formatting or calculation tasks.
Prepare clean output for websites and documents.
Inspect and verify your result before downloading.
Supported Input and Output
Text, pasted data or supported local files
- Check the tool workspace for its exact file-size limit.
- Browser format support can vary by device and browser version.
- Always review the generated result before important use.
Frequently Asked Questions
Is Unicode supported in this barcode?
No. This generator accepts printable ASCII characters only.
Security and Privacy Information
Supported processing runs inside your browser whenever practical.
When server processing is required, cleanup starts only after the work completes.
Avoid uploading confidential data unless you understand the displayed processing notice.