Barcode.Best
100% free · no sign-up · no watermark

Free barcode generator

Create 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.

Check digit added automatically: 9780201379624

Options

3×
12 mm

Generated inside your browser — your data never reaches our servers.

Generate by barcode type

Each type has its own page with the correct input rules and answers to common questions.

EAN-13Enter 12 digits — we calculate the check digit for you.EAN-8Enter 7 digits, the check digit is added automatically.UPC-AEnter 11 digits for a valid 12-digit UPC-A.UPC-EEnter 7 or 8 digits — the compact form of UPC-A.ITF-14For cases, trays and trade units (14 digits).GS1-128With Application Identifiers, e.g. (01)(17)(10).ISBNEnter your ISBN with dashes, for example 978-90-274-3964.ISSNFormat XXXX-XXXX, for example 0317-8471.Code 128Letters, digits and symbols in one compact symbol.Code 39The classic symbology for legacy scanners and industry.Code 93More compact than Code 39, with double error checking.QR CodeFor links, text and more — no account, no expiry.Data MatrixThe smallest 2D code — for components and medical products.PDF417Lots of text in one symbol — for documents and tickets.

Why this generator

Truly unlimited

No cap of ten barcodes, no watermark, no account. Generate as many symbols as your job needs.

Your data stays local

Encoding happens in your browser with JavaScript. SKUs, batch numbers and customer data are never uploaded.

Bulk from CSV

Import a spreadsheet, generate hundreds of barcodes at once and download everything as one ZIP file.

Print-ready output

Vector SVG for labels and packaging, PNG for webshops and documents — at the size you choose.

How it works

  1. 1

    Pick a type

    EAN-13 for retail products, Code 128 for internal SKUs, ITF-14 for shipping cases.

  2. 2

    Enter your data

    Leave the check digit out and we calculate it for you following the GS1 standard.

  3. 3

    Download

    Grab a PNG or a vector SVG, or head to the bulk tool for hundreds at once.

Frequently asked questions

Continue with

Bulk barcode generatorUpload 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.BulkBarcode 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

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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.