JR Trove
Free · Browser-only · No signup

Barcode Generator

Generate barcodes in 8 standard formats — CODE128 (general), CODE39, EAN-13 (retail), EAN-8, UPC-A (US retail), ITF-14 (shipping), Pharmacode, MSI Plessey. Configurable size, color, with-or-without text label. SVG and PNG download.

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Format hints: CODE128 accepts any ASCII (most flexible). EAN-13 / UPC-A need exactly 12 / 11 digits — the checksum is added automatically. ITF-14 needs 14 digits. Pharmacode is purely numeric 3-131070. Powered by JsBarcode.
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Inside the tool

What powers the Barcode Generator

8 barcode formats

Adjustable bar width (1-6 px) and height (40-200 px)

Custom foreground and background color

Optional text label below

SVG download (vector, lossless)

PNG download (2x raster)

no signup

Built differently

Why the Barcode Generator is different

Browser-native

The Barcode Generator runs entirely in your browser. Input is processed locally — never uploaded, never logged, never cached anywhere outside your device.

No artificial limits

No daily quotas, no character ceilings, no "upgrade for more" walls. Every feature is the complete feature — the same on the first use as the thousandth.

Production-grade quality

Built to the same engineering bar as paid SaaS tools — accurate algorithms, audited logic, responsive design and accessibility-tested interactions.

Use Contexts

Common use contexts

  • Generating retail product barcodes (EAN, UPC) for new SKUs
  • Shipping labels (ITF-14 for outer cartons)
  • Internal inventory tags (CODE128)
  • Library / asset tracking (CODE39)
Privacy by design

Private and secure

Zero upload

All processing happens in your browser. Input is never transmitted, logged or cached.

Works offline

Once the page loads, the tool runs without an internet connection. No network calls happen during use.

No tracking

No accounts, no cookies for tool state. Only aggregate analytics count visits at the page level.

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FAQ

Barcode Generator questions

CODE128 for general use (any ASCII). EAN-13 for international retail (Europe). UPC-A for US retail. ITF-14 for shipping cartons. CODE39 for industrial / library (alphanumeric only). The tool shows format-specific input requirements.