Turn any string or number into a clean, print-ready 1D barcode with live preview and instant validation. Fully themable and optimized for both screen and thermal printers, this widget supports the industry’s most common symbologies and exports crisp assets for labels, receipts, tickets, and packaging.

Functionality

• Multi-format support: Code 128 (incl. GS1-128), Code 39, EAN-13/8, UPC-A/E, ITF/Interleaved-2-of-5, Codabar, MSI, and more.

• Live preview with human-readable text (HRI) on/off, font, size, and placement (top/bottom/none).

• Input validation per symbology (allowed charset, length, checksum) with helpful error messages.

• Layout controls: module width/height, quiet zone (padding), bar ratio, alignment, rotation.

• Branding & theming: foreground/background colors, rounded bars, corner radius, light/dark mode.

• Export & share: PNG/JPEG/SVG (vector), configurable DPI for print; copy value to clipboard.

• Batch generation from a list for sheets/rolls; file-name templating.

• Works offline on Android, iOS, and Web; responsive and high-DPI rendering.

Use Cases

• Retail SKUs, shelf labels, price tags, GS1 product barcodes.

• Inventory & warehouse locations, asset tracking, logistics and shipments.

• Tickets, wristbands, membership and library cards.

• Billing, invoices, RMAs, pick lists, manufacturing work orders.

• Education/kiosk tools for demos and prototyping.

Keywords Barcode generator, Code128, EAN-13, UPC-A, ITF, Codabar, GS1-128, HRI, quiet zone, DPI, thermal printer, print-ready, SVG export, Flutter/FlutterFlow, Android, iOS, Web.