Barcode Lab

Generate · Validate · Scan · Batch · Export

Barcode settings

Symbology

Barcode format

Data

◌

Ready

Dimensions

Bar width

Bar height

110

Margin / quiet zone

Human-readable text

Show text

Text position

Font size

Text margin

Appearance

Bars

Background

Transparent background Reverse / white bars

Ready

Format: — Encoded: — SVG: —

Barcode information

Symbology

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Data characters

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Check digit

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Typical use

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Final encoded value

GTIN Check Digit

Calculate the final Mod-10 check digit for GTIN-8, GTIN-12, GTIN-13 or GTIN-14 data.

Digits without check digit

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GTIN Validator

Verify the check digit of EAN-8, UPC-A, EAN-13 or ITF-14 / GTIN-14.

Complete GTIN

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ISBN-13 Builder

Enter the first 12 ISBN-13 digits. Barcode Lab calculates digit 13 and can send it directly to the generator.

First 12 digits

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UPC-A Builder

Enter 11 UPC digits. Barcode Lab calculates the 12th check digit.

First 11 digits

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Batch format

One value per line

Retail formats can accept values without their final check digit. Barcode Lab will add it when possible.

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Drop a barcode image

Click, drag & drop, paste an image, or use the camera

Detected barcode

No result

Scan a barcode to see its data.

Scanner status

Waiting for an image.

Vector

Raster PNG

SVG is the best option for printing labels because barcode edges remain perfectly sharp at any size.