Barcode Generator

Barcodes encode numbers and text into parallel lines with varying widths and spacings, readable by laser scanners and camera readers across retail, logistics, and warehousing. This generator creates crisp, high-precision barcodes directly in your browser with automatic check-digit calculation and vector SVG export.

1. 1Choose the required barcode symbology standard: Code 128 for shipping & logistics, EAN-13 for international retail, UPC-A for US/Canada retail, or Code 39 for industrial assets.
2. 2Enter your barcode value. If using EAN-13 or UPC-A, you can enter the initial digits and click 'Apply Check Digit' to let the system compute the mandatory check digit automatically.
3. 3Adjust bar height, width, quiet zone margins, and toggle human-readable text below the barcode.
4. 4Download your barcode as a high-resolution PNG for digital use or vector SVG for crisp, commercial print packaging.

The Barcode Generator runs entirely in your browser — nothing you enter is uploaded, stored, or logged.

• Always maintain a clean quiet zone (margin) on both ends of the barcode — without margins, optical scanners cannot detect where the code begins.
• Always export as vector SVG for print production. Bitmap PNGs scaled up in printing software can blur bar edges and cause scan failures.
• High contrast is essential: always print dark bars (black or dark navy) on a clean white or light reflective background.
• Test printed sample barcodes with a physical scanner or phone scanner app before beginning large print runs.