Barcode Generator
Generate Code 39 barcodes with adjustable size. Export as SVG. Fully private—rendered in your browser.
Barcode Generator (Code 39)
Standard: Code 39 (no checksum)
Tip: Code 39 supports A–Z, 0–9 and - . space $ / + % (use * automatically as start/stop)
What is a Barcode Generator?
Create machine‑readable labels for fast scanning. This tool supports Code 39 and renders barcodes locally for privacy and speed.
How to create a Code 39 barcode
- Enter text (A–Z, 0–9, space, - . $ / + %).
- Adjust width and height for your layout.
- Toggle human‑readable text if needed.
- Download the SVG for crisp print and scaling.
Printing best practices
- Use high contrast (dark bars on light background).
- Keep quiet zones (margins) around the barcode.
- Prefer vector (SVG) instead of raster images.
- Test with multiple scanners before bulk printing.
FAQs
- Is my data sent to a server?
- No. All barcodes are generated locally in your browser.
- Which barcode type is supported?
- This tool supports Code 39, a widely used alphanumeric symbology.
- Which characters can I encode?
- A–Z, 0–9, space, and these symbols: - . $ / + %.