8 Free UPC Barcode Generators for Creating UPC-A Images

A free UPC barcode generator converts a UPC number you already have into a scannable barcode image.

It does not issue, license, register, or prove ownership of the UPC number.

This distinction matters. A barcode image may scan correctly but still be rejected by a retailer or marketplace if the number does not belong to your business or does not match official product information.

If you already have a valid GTIN-12, the tools below can help you create:

• A UPC-A barcode image

• A downloadable PNG or SVG file

• Printable barcode sheets

• Multiple barcode files from a spreadsheet

• Barcode images through an API

If you do not yet have a product identifier, start with GS1 or check whether the marketplace offers a legitimate GTIN-exemption process.

Quick Comparison of Free UPC Barcode Generators

Tool	Best for	UPC-A support	Bulk option	Main output options	Important limitation
OnlineLabels	Simple individual barcodes	Yes	Not in the basic generator	Downloadable image	One barcode at a time
Orca Scan	Developers and API workflows	Yes	Through API or account workflow	SVG, PNG, JPG, PDF, GIF, WebP, TIFF	Does not issue UPC numbers
MobileDemand	Printable label sheets	Yes	Up to 150 labels per batch	PNG, JPG, GIF, label sheets	No guarantee or technical support
Barcode Maker	CSV and bulk generation	Yes	Yes	PNG, JPG, GIF, SVG, ZIP	Final output still requires print testing
Yotpo	Quick SVG downloads	Yes	No documented bulk mode	JPG, PNG, SVG	Limited customization compared with specialist tools
TEC-IT	Advanced image settings	Yes	Limited for unregistered users	GIF, JPG, PNG; SVG for subscribers	Free output is for private/noncommercial use
Barcodez	Small batches of up to 50 values	Yes	Yes	Browser-generated images	Older interface and unclear commercial terms
Opticon	Multiple barcode types and batches	Yes	Yes	Several downloadable formats	Exact limits vary within the generator

1. OnlineLabels — Best for Simple Individual UPC-A Images

OnlineLabels provides a straightforward generator for users who already have a barcode number and want to create an individual image.

The tool currently supports nine formats, including:

• UPC-A

• UPC-E

• EAN-13

• EAN-8

• Code 128

• Code 39

• Codabar

• Interleaved 2 of 5

• PostNet

OnlineLabels explicitly states that users generating a UPC for the first time need to provide their unique product identifier from GS1. It also explains that the generator converts the number into an image rather than issuing the identifier.

How to use it

1. Select UPC-A.

2. Enter your existing UPC data.

3. Select an image size.

4. Generate the barcode.

5. Download the image.

6. Place it in your label or packaging design.

Strengths

• Simple interface

• No specialist knowledge required

• Free and unlimited individual generation

• Clear explanation of common barcode types

• Useful connection to label-printing workflows

• Warns first-time users that they need an identifier from GS1

Limitations

• The basic generator creates one barcode at a time.

• Bulk creation requires a separate label-design or mail-merge workflow.

• The generated image still needs to be placed and printed correctly.

• The tool cannot determine whether the number belongs to your company.

Best choice for: A small business that already owns a few UPCs and needs simple individual barcode images.

2. Orca Scan — Best for Developers and Barcode APIs

Orca Scan offers both a web-based UPC-A generator and a Barcode Image API.

The API can generate barcode images from a URL without requiring an API key. It supports UPC-A, UPC-E, EAN-8, EAN-13, Code 39, Code 93, Code 128, ITF, Data Matrix, PDF417, Aztec, and QR codes.

Available output formats include:

• SVG

• PNG

• JPG

• PDF

• GIF

• WebP

• TIFF

Developers can control:

• Barcode type

• Encoded data

• Caption text

• Font size

• Padding

• Background color

• Image orientation

• Output format

The API does not require a key and currently allows up to 15 requests per second. Orca Scan says the API is free to use.

Strengths

• Large range of output formats

• Useful for automated workflows

• No API key required

• Adjustable padding and background

• Supports individual images and programmatic generation

• Can connect to spreadsheet and inventory workflows through an Orca Scan account

Limitations

• The API creates images only.

• Developers still need to validate input and handle errors.

• Bulk spreadsheet features may require an account workflow.

• An API-generated image is not proof that the UPC is officially assigned.

Best choice for: Developers, operations teams, or merchants that need barcode images generated automatically from product data.

3. MobileDemand — Best for Printable Barcode Sheets

MobileDemand provides two useful modes:

• Generate an individual barcode image.

• Generate printable barcode sheets.

Its generator currently supports UPC-A, EAN-13, EAN-8, QR, ITF, Code 39, and Code 128. Individual images can be generated as PNG, JPG, or GIF files.

The barcode-sheet tool uses a 1 × 2⅝-inch layout compatible with many common label sheets. Each page can contain up to 30 barcodes, and the tool currently permits up to five pages—or 150 labels—at a time.

How to use the sheet generator

1. Open the Barcode Sheet tab.

2. Select UPC-A.

3. Choose whether to display the number.

4. Enter one barcode value per line.

5. Generate the sheet.

6. Print a sample page.

7. Test the printed labels before producing the full batch.

Strengths

• Individual and sheet modes

• Useful for basic label printing

• Clear batch limit

• Familiar label-sheet layout

• Supports several common retail and internal formats

Limitations

• The service includes no guarantee or technical support.

• Output should be tested with the actual printer and label stock.

• A sheet layout does not guarantee that the barcode size is appropriate for every package.

• The service does not issue or validate ownership of UPC numbers.

Best choice for: Small businesses that need a printable sheet of labels rather than separate image files.

4. Barcode Maker — Best for CSV and Bulk Downloads

Barcode Maker is an open-source web tool designed for both single and bulk barcode generation.

It supports a large selection of formats, including:

• UPC-A

• UPC-E

• EAN-13

• EAN-8

• Code 128

• GS1-128

• Code 39

• ITF-14

• GS1 DataBar

• QR

• Data Matrix

• PDF417

• Aztec

Users can paste one value per line, copy columns from Excel, or import a CSV file. Multiple generated images can be packaged into a ZIP file.

Available download formats include:

• PNG

• JPG

• GIF

• SVG

• ZIP for multiple files

Users can also adjust:

• Barcode width

• Barcode height

• Margins

• Human-readable text

• Custom captions

Barcode Maker’s current terms state that the website may be used for personal, educational, or commercial barcode generation, subject to its restrictions and limitation of liability.

Strengths

• CSV import

• Bulk generation

• Vector SVG output

• Custom dimensions and margins

• No registration requirement stated

• Published commercial-use permission

• Large symbology selection

Limitations

• Users are responsible for entering the correct barcode type and data.

• Custom dimensions can make it easier to create a poorly sized symbol.

• Commercial permission does not mean that the identifier is GS1-authorized.

• Production packaging still requires print testing.

Best choice for: Teams generating multiple barcode images from spreadsheets or product catalogs.

5. Yotpo Barcode Generator — Best for Quick SVG Downloads

Yotpo’s free barcode generator has a simple interface and supports:

• UPC-A

• EAN-13

• Code 128

• Code 39

• QR codes

The tool currently provides JPG, PNG, and SVG downloads. It requires exactly 12 digits for UPC-A, including the check digit, and 13 digits for EAN-13.

SVG is particularly useful for packaging artwork because it can be scaled within a design application without the pixelation associated with small raster images. However, the symbol must still remain within the permitted size range and retain its quiet zones.

Strengths

• Clean interface

• Live preview

• SVG output

• Clear UPC-A digit requirement

• Easy for occasional use

Limitations

• No documented bulk-generation mode

• Smaller range of barcode types

• Limited advanced controls

• The page does not issue or register GTINs

• Users should review the current site terms before relying on the output in a large commercial workflow

Best choice for: A merchant or designer who needs a quick SVG, PNG, or JPG from a completed 12-digit UPC.

6. TEC-IT — Best for Advanced Image Controls

TEC-IT provides a specialist barcode generator with extensive configuration options.

For UPC-A, users can control:

• Module width

• Image resolution

• Rotation

• Colors

• Font

• Advanced encoding settings

• Output format

The free interface currently supports GIF, JPG, and PNG. SVG is available to subscribers, and higher-resolution settings are also restricted to subscribed users. Unregistered users are limited to 10 barcodes.

Commercial-use warning

TEC-IT’s current terms state that the free service and its output are intended for private or noncommercial use. Commercial use requires written approval from TEC-IT.

The backlink arrangement applies to noncommercial website or web-application embedding; it should not be interpreted as a general free commercial license.

Strengths

• Detailed controls

• Established barcode-software provider

• Multiple common image formats

• Direct barcode-image links

• Check-digit calculation supported for UPC-A input

• Useful for testing advanced settings

Limitations

• Free output is not generally licensed for commercial use.

• SVG and higher-resolution controls require a subscription.

• Unregistered generation is limited.

• Advanced options increase the risk of changing dimensions without understanding GS1 specifications.

Best choice for: Technical users evaluating settings or noncommercial prototypes, and businesses prepared to review TEC-IT’s commercial plans.

7. Barcodez — Best for Small Batches of Up to 50 Codes

Barcodez provides a simple bulk generator that supports:

• UPC-A

• UPC-E

• EAN-13

• EAN-8

• ISBN

• Code 128

• Code 39

• Code 93

• Codabar

• Interleaved 2 of 5

• QR codes

Its bulk page allows up to 50 values, with one value entered per line. Users can adjust height, scale, barcode color, and background color.

Strengths

• Bulk input for up to 50 codes

• No complex setup

• Color and size controls

• Includes UPC-A and UPC-E

Limitations

• The interface is dated.

• The page does not clearly document professional print formats.

• Commercial-use terms are not clearly explained on the generator page.

• Excessive color customization can reduce scan contrast.

• There is no indication that the tool verifies number ownership.

For retail barcodes, black bars on a light background remain the safest starting point. Do not select colors based only on appearance; test the final printed output.

Best choice for: Small temporary batches, prototypes, or internal review when a simple browser output is sufficient.

8. Opticon — Best for Multiple Barcode Types and Batch Workflows

Opticon offers a free generator for both 1D and 2D barcode formats.

The company states that the tool supports:

• UPC

• EAN

• QR codes

• Code 39

• GS1 formats

• Individual barcode generation

• Batch generation

• Multiple download formats

• Email delivery of generated files

The generator also includes barcode-specific options that change according to the selected symbology.

Strengths

• Individual and batch workflows

• Broad format support

• Operated by a barcode-scanning company

• Multiple download options

• Mobile-friendly workflow

Limitations

• Exact file-format and batch limits are not fully listed on the public overview page.

• Users need to inspect the live generator before planning a production workflow.

• The tool creates barcode graphics but does not assign official GTINs.

• Professional print verification remains the user’s responsibility.

Best choice for: Users who need several barcode types from one interface and want both individual and batch options.

Which UPC Barcode Generator Should You Choose?

Use this decision guide:

Choose OnlineLabels when:

• You need one UPC-A image

• You want the simplest workflow

• You also plan to design or print labels

Choose Orca Scan when:

• You need an API

• You want several file formats

• Barcode generation must connect to software or spreadsheets

Choose MobileDemand when:

• You need printable label sheets

• You want up to 150 labels in one batch

• You are using common sheet-label dimensions

Choose Barcode Maker when:

• You need CSV import

• You want multiple files in a ZIP

• You need SVG output

• You want documented commercial-use permission

Choose Yotpo when:

• You need a quick SVG

• You already have all 12 UPC digits

• You do not need bulk generation

Choose TEC-IT when:

• You need detailed settings

• You are creating a noncommercial prototype

• You are prepared to purchase or request commercial permission

Choose Barcodez when:

• You have no more than 50 values

• You only need a basic batch tool

• You can test the images before use

Choose Opticon when:

• You need several 1D and 2D formats

• You want both individual and batch generation

• You prefer a barcode-specialist provider

How to Generate a UPC-A Barcode Correctly

Step 1: Obtain or confirm your GTIN-12

Do not begin by inventing a random 12-digit number.

For products entering an open retail supply chain, obtain a valid identifier through GS1 or follow the product-ID process required by your retailer or marketplace.

Step 2: Verify the check digit

A UPC-A contains 12 digits. The final digit is the check digit.

Some generators expect:

• The first 11 digits and calculate the check digit

• The full 12 digits, including the check digit

Check the tool’s instructions before entering the number.

You can confirm the final digit using the official GS1 calculator.

Step 3: Select UPC-A

Do not select Code 128 merely because it accepts the same numbers.

UPC-A is intended for a GTIN-12 used on retail consumer products in North America. Code 128 is more suitable for internal, warehouse, and logistics data.

Step 4: Enter the number without extra characters

Unless the tool explicitly says otherwise, do not add:

• Spaces

• Hyphens

• Product names

• Prices

• Currency symbols

• Letters

The barcode normally encodes the identifier. Product names and prices are stored in the retailer’s database, not inside the UPC-A symbol.

Step 5: Choose the correct file format

For packaging and professional print design, start with:

• SVG

• EPS

• PDF

For previews or simple label printing, use:

• PNG

JPG may introduce compression around the bars and is usually less desirable when a lossless or vector option is available.

Step 6: Preserve the quiet zones

A quiet zone is the clear space to the left and right of the barcode.

Do not place:

• Text

• Borders

• Logos

• Background patterns

• Other graphics

inside these areas.

GS1 states that UPC-A quiet zones must be at least nine times the X-dimension, or the width of the narrowest module.

Step 7: Do not stretch or crop the barcode

Do not resize a barcode unevenly.

GS1 recommends generating the barcode at the size required for the package rather than shrinking or enlarging existing artwork. It also warns against removing height from the bars simply to make the symbol fit.

Step 8: Print a sample

Test using:

• The actual printer

• The final label material

• The intended ink or toner

• The expected package surface

• The production size

A barcode that scans from a computer screen may fail after being printed on glossy, curved, textured, or low-contrast packaging.

Step 9: Scan the printed sample

Use more than one reading method where possible:

• A phone barcode app

• A handheld barcode scanner

• The scanner used in your warehouse

• The point-of-sale equipment used by your retail partner

Check that every scanner returns the same complete number.

Step 10: Use professional verification for large print runs

A simple scan test only proves that the tested device could decode that sample.

Professional verification can evaluate:

• Symbol dimensions

• Quiet zones

• Contrast

• Bar-width accuracy

• Modulation

• Defects

• Decodability

• Overall print-quality grade

For a large packaging order or retailer launch, request requirements from the trading partner and consider a GS1-trained barcode-verification provider.

UPC-A Printing and Placement Mistakes

Inventing a random UPC number

A valid mathematical check digit does not mean the number belongs to your business.

Using one GTIN for several variants

Different products and meaningful variations generally need separate identifiers.

GS1 states that each product variation—such as a different size, color, or size-and-color combination—needs its own GTIN.

Confusing a SKU with a UPC

Your store creates its own SKU. A UPC/GTIN is used to identify a trade item across external systems.

You may store both on the same product record, but they perform different jobs.

Generating Code 128 instead of UPC-A

Code 128 may be suitable for internal tracking but does not replace the UPC-A symbol expected at retail checkout.

Stores selling products in person should also confirm that their POS system for small business can import the product catalog and correctly match each scanned UPC to the intended item.

Cropping the quiet zones

Removing the white space beside a barcode can prevent scanners from identifying where the symbol begins and ends.

Stretching the image

Uneven scaling changes the relationship between the narrow and wide bars.

Printing over a seam or curve

Avoid package seams, folds, ridges, edges, perforations, and tight curves. These surfaces can distort or damage the symbol.

Using weak color contrast

Dark bars on a light, plain background are the safest option.

Avoid:

• Red or very light bars

• Dark backgrounds

• Patterns behind the symbol

• Transparent packaging without an opaque background

• Reflective metallic surfaces without testing

Reusing a barcode assigned to another product

A GTIN is intended to maintain a unique relationship with its assigned trade item.

Do not copy a number found online or reuse a number from discontinued packaging without understanding the ownership and reassignment rules.

Assuming a successful scan means marketplace approval

A scanner only reads the encoded number.

It does not verify:

• GS1 ownership

• Brand information

• Marketplace eligibility

• Product-record accuracy

• Whether the GTIN is already assigned elsewhere

Do You Need a New GTIN for Every Product Variant?

In many retail workflows, yes.

Each distinct sellable variant may need its own GTIN, including different:

• Sizes

• Colors

• Flavors

• Scents

• Pack counts

• Styles

• Product configurations

For example, a T-shirt sold in three colors and four sizes may require 12 individual GTINs because each combination is a distinct item that can be ordered and fulfilled separately.

GS1’s GTIN Management Standard states that each style, color, and size variation is considered a unique product and assigned a unique GTIN.

Do not use the same UPC for every variant simply because the products share one product page.

Frequently Asked Questions

Can I generate a UPC barcode for free?

You can create a UPC-A barcode image for free when you already have the correct number.

The generator does not normally give you ownership of a new UPC or register the product.

Does a free barcode generator create a valid UPC number?

No.

It creates an image from the number you enter. Some tools calculate or validate the final check digit, but this only checks the number’s mathematical structure.

It does not prove that the number is licensed to your company.

Can I make up my own UPC number?

Not for a product that will be sold through retailers or marketplaces requiring valid GTINs.

A random number may scan but can conflict with an existing product, fail marketplace verification, or create incorrect inventory records.

Does Amazon accept barcodes from free generators?

Amazon evaluates the underlying product identifier, not the website used to draw the barcode image.

Amazon says it verifies UPC authenticity against GS1 data. A free generator can create an image from a valid GS1 number, but it cannot turn an unregistered number into a valid product identifier.

Some products may qualify for a GTIN exemption, depending on Amazon’s current category and brand rules.

What is the difference between UPC-A and UPC-E?

UPC-A displays the full 12-digit product code.

UPC-E is a compressed eight-digit representation used for smaller packages when specific zero-suppression requirements are met. You cannot shorten any UPC-A number into UPC-E merely by removing digits.

Can I use Code 128 instead of UPC-A?

Use Code 128 for internal tracking when your own systems support it.

Do not use it as a substitute when a retailer, marketplace, or trading partner requires a UPC-A symbol.

Does each size or color need a different UPC?

For products sold as separate variants, each size, color, and size-color combination generally needs its own GTIN.

Which file format is best for printing UPC barcodes?

SVG, EPS, or PDF are usually better for professional design and printing because they are vector formats.

PNG can be suitable for simple label workflows when exported at the correct dimensions and resolution.

Avoid resizing a small screenshot of a barcode.

How do I know whether my barcode works?

At minimum:

1. Confirm the number and check digit.

2. Generate the correct symbology.

3. Print at the intended size.

4. Scan the printed sample.

5. Confirm the scanner returns the complete number.

6. Test the actual packaging material.

7. Obtain professional verification when required by a retailer or large production run.

Can I use a generated barcode commercially?

It depends on the tool’s license.

For example:

• Barcode Maker’s current terms allow personal, educational, and commercial use.

• TEC-IT restricts its free service to private or noncommercial use unless written commercial approval is obtained.

• Other tools may have separate site, output, API, or subscription terms.

Always review the current terms before including generated artwork in commercial packaging.

Conclusion

The best free UPC barcode generator depends on what you need to do.

Choose:

• OnlineLabels for a simple individual barcode

• Orca Scan for API-based generation

• MobileDemand for printable label sheets

• Barcode Maker for CSV and bulk SVG files

• Yotpo for a fast SVG download

• TEC-IT for advanced controls and noncommercial prototypes

• Barcodez for small batches of up to 50 values

• Opticon for a broad individual-and-batch workflow

The most important point is that these tools generate barcode images. They do not automatically issue or register the product identifiers encoded inside them.

Before printing packaging:

1. Confirm that the GTIN belongs to your company.

2. Verify the check digit.

3. Select UPC-A.

4. Preserve the quiet zones.

5. Generate the image at the required size.

6. Test the printed output.

7. Confirm the requirements of your retailer or marketplace.

A barcode that looks correct—or even scans on a phone—is not necessarily retail-ready. The identifier, image, print quality, placement, and product data all need to be correct.

Internal Link Suggestions

Anchor: Shopify product variants

Suggested destination: OPTIS Product Options, Variant App Review

Best placement: In “Do You Need a New GTIN for Every Product Variant?”

Sentence to insert:

Before assigning identifiers, organize your Shopify product variants so that each sellable size, color, style, and pack configuration has a clear product record.

Anchor: start a T-shirt business

Suggested destination: How To Start a T-Shirt Business: From First Design to First Sale on Shopify

Best placement: After the example explaining that several shirt sizes and colors may need separate GTINs.

Sentence to insert:

Merchants preparing to start a T-shirt business should plan variant names, SKUs, GTINs, labels, and packaging before ordering a large production run.

Anchor: best POS for small business

Suggested destination: Best POS for Small Business in 2026

Best placement: In the section explaining how UPC-A is scanned at retail checkout.

Sentence to insert:

Stores selling products in person should also confirm that their POS system for small business can import the product catalog and correctly match each scanned UPC to the intended item.

External Source Suggestions

Use official or primary sources beside factual claims:

• GS1: GTIN definitions and barcode standards

• GS1 US: obtaining and generating UPC-A barcodes

• GS1: official check-digit calculator

• GS1 GTIN Management Standard: rules for product variants

• GS1 US: barcode size, quiet zones, printing, and placement

• Amazon Seller Central: UPC authenticity verification

• Each generator’s official feature and licensing pages

E-E-A-T / Trust Notes

• Replace the old article rather than retaining the previous copied tool descriptions.

• Add a visible Last reviewed: July 10, 2026 date after publication.

• Do not claim every generator was print-tested unless physical test evidence is added.

• Add original screenshots showing the UPC-A option and current download settings.

• Add one photograph of an actual printed test label being scanned.

• Keep the limited TEC-IT output spot check separate from professional verification.

• Review tool availability, limits, and licensing every six months.

• Do not use “retail-ready,” “GS1-approved,” or “professionally verified” unless there is evidence supporting that exact claim.

• Remove the old sections about pixels, conversion tracking, bundles, and ROAS because they do not help users generate or validate UPC barcodes.