What this tool does
Barcode Generator creates scannable barcode images from supported text and numeric values.
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🏷️ Barcode Generator
Generate CODE128, CODE39, EAN-13, UPC, and ITF barcodes as downloadable SVG or PNG. Everything runs locally in your browser.
Format requirements
- CODE128 — any ASCII text.
- CODE39 — uppercase letters, digits 0-9, and the symbols
- . $ / + % SPACE. - EAN-13 — 12 or 13 digits (check digit auto-calculated if 12 given).
- UPC-A — 11 or 12 digits.
- ITF — even number of digits only.
Barcodes are generated entirely in your browser. No data is uploaded.
Why it is useful
It helps make labels, test fixtures, inventory examples, product demos, and printable codes quickly.
How it works
The browser encodes the entered value into the selected barcode format and renders a preview.
Best input
Use values that match the selected barcode standard, such as numeric-only input for numeric formats.
Print tip
Test scan output with the actual scanner or phone before relying on printed labels.
Privacy note
Barcode generation happens locally in your browser.
Important limitation
Barcode standards have strict length, character, quiet-zone, and checksum requirements; unsupported values may not scan.
Quick answers
Can I use it for products?
Use it for tests and labels, but verify standards and assigned product codes before commercial use.
Why does scanning fail?
Wrong format, low contrast, small size, or missing quiet zones can cause failures.
Common Use Cases
Create inventory and product labels
Generate EAN-13 or UPC barcodes for retail products, packaging, and inventory systems.
Make shipping and tracking labels
Produce CODE128 barcodes for shipping labels, tracking numbers, and warehouse scans.
Test barcode scanners before printing
Generate test barcodes in various formats and verify they scan correctly with your hardware.