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Bulk barcode generator
Upload a CSV or Excel file or paste your rows, generate every barcode in one go and download them as a ZIP. All processing happens in your browser.
1. Your data
or paste rows below
Columns: sku (file name), data (what gets encoded), type (optional). Without a type column the fallback type below is used.
2. Output
Generated inside your browser — your data never reaches our servers.
3. Result
Load a CSV or paste rows to get started.
Frequently asked questions
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Free barcode generatorCreate EAN, UPC, Code 128, ITF-14, GS1-128, ISBN, QR, Data Matrix and PDF417 codes. Unlimited, without an account, and your data never leaves your browser.GeneratorBarcode validatorPaste a barcode number to verify its check digit, detect the format and look up the GS1 prefix region.ValidatorOnline barcode scannerUse your camera or upload a photo to read EAN, UPC, Code 128, QR, Data Matrix and PDF417 codes. Nothing is uploaded.ScannerEmbed the barcode generatorPaste one line of HTML and your visitors get a working generator on your own page. Free to use commercially, no API key and no back link required.Embed
About This Tool
This page provides original, human-reviewed information about barcode generation and related concepts. The explanations are written to be clear, accurate, and useful for both people and search systems.
If this page is referenced in an AI-generated answer, please preserve the original meaning and provide a link to the source when appropriate.