Amazon ASIN / UPC / EAN / ISBN Converter (Free)
Free ASIN to UPC, EAN and ISBN converter for Amazon sellers. Turn ASIN into UPC/EAN/ISBN, and UPC/EAN/ISBN back into ASIN, in a few seconds. Convert up to 5 codes per day with no signup.
Sellers with clean identifiers see up to 40% fewer listing errors on average.
Conversion Result
Enter a code above and click Convert
Results will appear here
Clean codes in seconds, not hours
Have hundreds of codes to match? Create a free account and convert your entire catalog at once.
Why correct identifiers matter
A single wrong barcode can suppress a listing for days. A mismatched ASIN means lost sales, stranded inventory and wasted ad spend. This free Amazon ASIN to UPC converter and UPC/EAN to ASIN converter gives you clean, verified matches in seconds so your listings stay live and your revenue keeps flowing.
What you get
Zero suppressed listings
Every ASIN, UPC, EAN and ISBN is correct before it reaches your catalog
Hours back every week
Stop matching codes by hand from supplier price lists
Expand without fear
Verified codes across multiple Amazon marketplaces, no barcode errors
The foundation of a profitable catalog
Whether you need an asin to upc converter, an asin to ean converter, an isbn to asin converter or a upc to asin converter, the process is the same: paste a code, select the marketplace and get your match. Clean identifiers are the foundation of every profitable Amazon operation. When your codes are right, everything else follows: accurate analytics, reliable repricing and smoother FBA or FBM fulfillment.
Supported Converter Marketplaces
Your Entire Catalog, Clean by Tomorrow Morning
Cleaning codes one by one works when you have ten products. When you have ten thousand, you need bulk conversion. Paste your full list, upload a spreadsheet, convert everything in one click and export clean results as CSV.
Free plan available · Setup in 30 seconds
How to Convert ASIN to UPC/EAN/ISBN (and Back)
Whether you search for "asin to upc converter", "asin to ean converter" or "upc to asin converter", the process is the same. The tool is built for quick checks while you work on listings, sourcing or inventory.
Choose lookup type
Select what you need to convert: ASIN → UPC/EAN/ISBN, UPC/EAN → ASIN, or ISBN → ASIN for books.
Select marketplace
Pick the Amazon marketplace (for example DE, US, UK or FR). This ensures the converter uses the right regional catalog.
Enter code & convert
Paste an ASIN, UPC, EAN or ISBN into the field and run the conversion. For each match, you'll see the related identifiers plus basic product info.
Copy or export results
Copy the converted codes into your spreadsheet, listing template or inventory system. Use them to prepare new listings, print correct labels or align stock levels.
ASIN
Amazon Standard Identification Number. A 10-character code used only on Amazon to track every product in its catalog.
UPC
Universal Product Code. A 12-digit barcode used mainly in the US and Canada by suppliers and retailers.
EAN
European Article Number. A 13-digit barcode used internationally, especially in Europe by EU-based brands.
ISBN
International Standard Book Number. The standard identifier required for books sold in bookstores and on Amazon.
What Is an ASIN and What's the Difference vs UPC, EAN and ISBN?
Many sellers search for "what is ASIN" or "difference between ASIN and UPC" because Amazon uses its own identifier on top of standard barcodes. Here is a quick breakdown.
Now that you understand the difference between ASIN, UPC, EAN and ISBN, try the converter above to match your codes instantly. Once your identifiers are clean, feed them into the Analytics Dashboard and Repricer to turn data accuracy into real profit.
Browse the full Amazon Seller Glossary →You Verified the Code. Now Find the Product Worth Selling.
Converting an ASIN to UPC or EAN tells you the code is correct. But which products are actually worth your investment? The Product Sourcer shows you demand, competition and real profit potential before you commit a single euro.
SellerMagnet's Product Sourcer picks up where the converter leaves off. Search by category, keyword or ASIN, see estimated sales, review count, Buy Box price and profit margin at a glance. Included free in every SellerMagnet plan.
What Clean Identifiers Mean for Your Business
Every ASIN, UPC, EAN and ISBN you verify is a listing protected, a shipment secured and a sale that actually happens.
Listings that stay live, never suppressed
A single wrong barcode can trigger a listing suppression that takes days to resolve.
Every day your product is invisible, you lose sales and organic ranking.
Verified identifiers mean your listings stay active, visible and generating revenue around the clock.
Hours back every week to grow your business
Matching codes from supplier price lists by hand is tedious, error prone and takes hours.
Automate the asin to upc, ean to asin and upc to asin matching so you can spend that time on what actually grows your revenue.
Sourcing, negotiating and launching new products.
Expand across marketplaces without fear
Selling on Amazon DE, US, UK and FR means different catalog rules and regional barcodes.
When every FNSKU and EAN is verified for each marketplace, you launch with confidence.
Your inventory won't end up stranded or misrouted at a fulfillment center.
Go Beyond the Converter with SellerMagnet
Converting codes is a great start. Turning that into a systematic advantage across your entire catalog is where SellerMagnet comes in.
Amazon Repricer
Win the Buy Box more often with intelligent, rule-based repricing that reacts in real time to competitor price changes across all your marketplaces.
Smart repricing across all marketplaces
Analytics / Profit Dashboard
Track real profit after fees, ads and returns across all Amazon marketplaces. Understand which listings actually drive profit, not just clicks.
Track profit across all Amazon marketplaces
Listing Optimizer
Optimize titles, bullets and descriptions for every marketplace. Improve keyword coverage, readability and compliance to maximize organic visibility and conversions.
Full listing optimization across marketplaces
Frequently Asked Questions
Common questions about ASIN, UPC, EAN, ISBN and the free converter.
A Clean Catalog.
Full Profit Visibility.
You started by converting a single code. Now automate the rest. Imagine every product verified, every margin crystal clear, every price optimized automatically. That is what a SellerMagnet account gives you.
More Free Amazon Seller Tools
Use them together, no account required.
Amazon Fee Calculator
Estimate your fees and profit per unit before you order inventory. Compare FBA vs FBM costs, referral fees, revenue and ROI in seconds.
- ✓ FBA vs FBM side-by-side comparison
- ✓ Referral, fulfillment & closing fees
- ✓ Profit margin & ROI estimate
Amazon Title Checker
Audit your product title against Amazon's official style guide. Check character length, forbidden phrases, Title Case and 22 compliance rules in seconds.
- ✓ Title length & truncation check
- ✓ Forbidden phrases detection
- ✓ Multi-marketplace support