Which barcode formats does the bulk generator support?

It supports eight common 1D barcode symbologies: Code 128 (alphanumeric, most versatile), Code 39 (alphanumeric, legacy), EAN-13 (13-digit retail), EAN-8 (8-digit retail), UPC-A (12-digit US retail), ITF-14 (14-digit shipping cartons), MSI (inventory), and Pharmacode (pharmaceutical).

Can I import barcode data from a CSV or Excel file?

Yes. Use the CSV Import mode and upload a file with two columns: data and label. The header row is optional. Excel users can export their spreadsheet as CSV (File → Save As → CSV) and upload the result. A downloadable CSV template is provided on the page.

Is the bulk barcode generator really free and safe?

Yes. The tool is 100% free, requires no account, and adds no watermark. All barcode generation runs locally in your browser using JsBarcode – your product codes, SKUs and CSV files are never uploaded to a server, which makes it safe for confidential inventory data.

What output format do I get?

Each barcode is rendered as a high-resolution PNG image. In bulk mode, all PNG files are packaged into a single ZIP archive named barcodes_{format}_{date}.zip, with each file named after its label and data value so they are easy to match back to your SKUs.

Which barcode format should I choose for my products?

Use EAN-13 or UPC-A for retail products sold at point-of-sale. Use Code 128 for internal SKUs, shipping labels and any alphanumeric data – it's the most versatile. Use ITF-14 for master cartons and shipping containers. Use Code 39 only when required by legacy systems.

Are the generated barcodes scannable and commercial-use ready?

Yes. The generator uses JsBarcode, a standards-compliant library, and the output PNGs scan reliably with phone apps and commercial barcode scanners at the default Medium width and 100px height. For EAN-13 and UPC-A used in retail, remember you still need to register your product with GS1 to obtain an official manufacturer prefix.

Can I customize the barcode size and text?

Yes. You can choose bar width (Narrow to Extra Wide), height (50–200 px), toggle the human-readable text below the barcode, and optionally show a label above it. The same settings are applied consistently across every barcode in the batch.

Bulk Barcode Generator – Free Online Tool (500 at Once, CSV + ZIP)

Free Bulk Barcode Generator – Create 500 Barcodes Online at Once

The bulk barcode generator on this page lets you create up to 500 scannable barcodes in a single batch from a pasted list or CSV upload. It supports Code 128, Code 39, EAN-13, EAN-8, UPC-A, ITF-14, MSI and Pharmacode, outputs high-resolution PNGs, and delivers everything as a single ZIP download. No signup, no watermark, no data ever leaves your browser.

Batch up to 500 CSV / Excel import ZIP download 8 barcode formats 100% browser-based Free forever

Generate Barcodes

Create up to 500 barcodes in various formats. Enter data manually or import from CSV.

Input Mode

Single Barcode Bulk Generation CSV Import

Barcode Format

Barcode Data *

Label (optional)

Width

Height

Show text below barcode Show label above barcode

Preview

0 barcodes

Click "Preview" to see your barcodes here

Generation Statistics

Total Barcodes

Valid Barcodes

Invalid Barcodes

0 KB

Estimated ZIP Size

Supported Formats

• Code 128: Most versatile, alphanumeric
• Code 39: Classic format, alphanumeric
• EAN-13: European standard, 13 digits
• EAN-8: Short EAN format, 8 digits
• UPC-A: US standard, 12 digits
• ITF-14: Shipping containers, 14 digits
• MSI: Inventory tracking, numeric only
• Pharmacode: Pharmaceutical, numeric

Tips & Best Practices

• Validate data format for your chosen barcode type
• Use Code 128 for maximum compatibility
• Include labels for better identification
• Test print quality with sample barcodes first
• Higher resolution for professional printing
• Keep backup of your barcode data

How to Use the Bulk Barcode Generator

Follow these six steps to generate hundreds of barcodes in under two minutes. The entire bulk barcode generator workflow runs in your browser — your SKUs and product codes are never uploaded anywhere.

Step 1 — Choose input mode

Pick Single Barcode for a quick test, Bulk Generation to paste a list, or CSV Import to upload a spreadsheet exported from Excel, Google Sheets or your ERP.
Step 2 — Select a barcode format

Choose Code 128 for alphanumeric SKUs, EAN-13/UPC-A for retail, ITF-14 for shipping cartons, or Code 39 / MSI / Pharmacode for legacy systems.
Step 3 — Enter data (up to 500 rows)

Paste one value per line. Add an optional label using data | label. CSV users upload a data,label file — a template is provided.
Step 4 — Set barcode size

Pick bar width (Narrow → Extra Wide) and height (50–200 px). Enable "Show text below barcode" for human-readable values under each bar.
Step 5 — Preview & validate

Click Preview. The bulk barcode generator validates each row against the chosen symbology (digit count, allowed characters) and flags invalid rows in red.
Step 6 — Download ZIP

Click Generate & Download. All valid barcodes are rendered as PNG files and packaged into a single ZIP named barcodes_{format}_{date}.zip.

Who Uses a Bulk Barcode Generator?

Anyone who labels more than a handful of items benefits from batch generation. Here are the most common real-world use cases:

Retail & eCommerce

Generate EAN-13 or UPC-A barcodes for product listings, price tags and point-of-sale scanning. Amazon FBA sellers use Code 128 for FNSKU labels.

Warehouse & Inventory

Print Code 128 or MSI barcodes for bin locations, pallets and asset tags. ITF-14 is ideal for outer cartons and logistics labels.

Events & Tickets

Create thousands of unique ticket barcodes for check-in scanners in seconds — no API or subscription needed.

Healthcare & Pharmacy

Use Pharmacode or Code 128 for patient wristbands, medication labels and laboratory specimen tracking.

Libraries & Schools

Generate Code 39 barcodes in bulk for books, equipment checkout and student ID cards.

Manufacturing & Shipping

Batch-print ITF-14 case codes and Code 128 serial numbers for production lines, pallets and outbound shipments.

Barcode Formats Supported by This Bulk Barcode Generator

All eight symbologies below are available in single, bulk and CSV modes. Pick based on where the barcode will be scanned.

Format	Data type	Length	Best for
Code 128	Alphanumeric + symbols	1–80 chars	SKUs, shipping, Amazon FNSKU, most versatile
Code 39	A–Z, 0–9, few symbols	Up to 43 chars	Legacy industrial, libraries, government
EAN-13	Numeric only	13 digits	European retail products at point-of-sale
EAN-8	Numeric only	8 digits	Small retail packages where EAN-13 won't fit
UPC-A	Numeric only	12 digits	US and Canada retail (Walmart, Target, etc.)
ITF-14	Numeric only	14 digits	Shipping containers, master cartons, pallets
MSI	Numeric only	Variable	Warehouse shelving and inventory tags
Pharmacode	Numeric (3–131070)	Variable	Pharmaceutical packaging line verification

Why Use This Bulk Barcode Generator?

Private by design. Generation runs entirely in your browser using JsBarcode — CSV data, SKUs and product codes never touch a server.
Fast batch mode. 500 barcodes render and ZIP in seconds on a typical laptop.
Free forever. No quotas, credits, trial limits or watermarks.
Print-ready PNGs. Default size scans cleanly on mobile and handheld scanners; widen the bars for label printers.
Standards-compliant. Built on JsBarcode 3.11, the same library used by commercial barcode apps.

Need Verifiable Digital Credentials Too?

Barcodes work offline, but if you also issue certificates, badges or tickets that recipients must verify online, use IssueBadge — the full credentialing platform behind this free tool. It adds QR verification, secure hosted verification pages, email delivery and tamper-evident digital badges.

Try IssueBadge Free

Bulk Barcode Generator – Frequently Asked Questions

What is a bulk barcode generator?

A bulk barcode generator is an online tool that creates many barcodes in one batch. Instead of generating barcodes one at a time, you paste a list of values (or upload a CSV), choose a symbology such as Code 128 or EAN-13, and download all of the resulting PNG barcodes as a single ZIP file.

How do I generate barcodes in bulk for free?

Open this page, switch the input mode to Bulk Generation or CSV Import, paste up to 500 values (one per line) or upload a CSV with data,label columns, choose a barcode format, click Preview, then click Generate & Download. Everything is free and no account is needed.

How many barcodes can I generate at once?

Up to 500 barcodes per batch. Because generation is browser-based there are no server-side rate limits. If you need thousands, split the list into multiple batches of 500.

Can I generate barcodes from a CSV or Excel file?

Yes. Switch to CSV Import and upload a file with two columns: data and label. Excel users can export via File → Save As → CSV. A ready-made CSV template is available on the page.

Which barcode format should I choose?

Code 128 for SKUs, shipping and anything alphanumeric. EAN-13 or UPC-A for retail products sold at point-of-sale. ITF-14 for master cartons. Code 39 only when legacy systems require it. Pharmacode for pharmaceutical packaging lines.

Are the barcodes scannable and safe to use commercially?

Yes. Output is rendered with JsBarcode (a standards-compliant library) as high-resolution PNGs that scan with phones and commercial scanners. Note: for EAN-13 / UPC-A retail codes you still need an official GS1 prefix to sell at major retailers — this tool renders the barcode but does not assign GS1 numbers.

Is my data uploaded anywhere?

No. The bulk barcode generator runs 100% in your browser. Your pasted list, CSV file, SKUs and generated images never leave your device — there is no server upload. That makes it safe for confidential inventory and product data.

Can I print these barcodes on label sheets?

Yes. Extract the ZIP and drop the PNGs into Avery, Word, Google Docs or a label-design app. For label printers (Zebra, Dymo, Brother), use Medium or Wide bar width and a height of at least 100 px for reliable scanning.

Does the tool work offline?

Once the page has loaded, barcode generation itself works offline because all rendering happens client-side. Reloading the page does require an internet connection the first time.

Have a suggestion about our bulk barcode generator?

Missing a barcode symbology you need? Want a higher batch limit, different output formats (SVG, PDF), 2D codes like QR or Data Matrix, or an API for automated bulk barcode generation? We'd love to hear from you — email our team and we'll get back within one business day.

Email support@issuebadge.com

Questions, bug reports and feature requests are all welcome.