Barcode Tools
Free barcode generators for UPC, EAN, Code 128, and more.
Which Barcode Do I Need?
Compare UPC-A, EAN-13, Code 128, GS1-128, QR, Data Matrix, ITF-14 and Code 39, then take a quiz to pick the right one.
Barcode Generator
Free online barcode generator. Create CODE128, CODE39, EAN-13, EAN-8, UPC-A, and ITF-14 barcodes. Customize size and colours, then download as PNG or SVG.
Barcode Reader
Decode common retail, industrial and 2D barcodes from an image, entirely in your browser.
ISBN Barcode Generator
Validate ISBN-10 or ISBN-13, create a Bookland EAN barcode and add an optional EAN-5 supplement.
UPC-A Generator
Free UPC-A barcode generator with automatic check-digit calculation. Enter 11 digits to generate a complete 12-digit UPC-A barcode for retail products.
Bulk Barcode Label Generator
Turn a CSV of codes into print-ready Avery 5160 or 5163 label sheets with check digits verified row by row.
EAN-13 Generator
Calculate the GS1 check digit from 12 digits and create an EAN-13 retail barcode.
EAN-8 Generator
Generate the compact eight-digit retail barcode for qualifying small-packaging use cases.
ITF-14 Generator
Build a 14-digit GS1 logistics barcode for cases and outer packaging.
Code 128 Generator
Encode printable ASCII text for shipping, inventory and internal labels.
Code 39 Generator
Create classic uppercase alphanumeric industrial labels with character-set checks.
Aztec Code Generator
Build compact or full Aztec 2D symbols and inspect the layers, mode message and check words.
Data Matrix Generator
Create ECC 200 Data Matrix symbols, plain or GS1, as SVG or PNG.
PDF417 Generator
Make a stacked 2D PDF417 barcode with text or byte compaction and selectable error correction.
UPC to EAN-13 Converter
Convert 12-digit UPC-A to 13-digit EAN-13 and verify the check digit.
EAN-13 to UPC-A Converter
Convert a 13-digit EAN-13 starting with 0 to a 12-digit UPC-A.
GTIN-12 to GTIN-14 Case Code Builder
Build a GTIN-14 from a UPC-A or EAN-13 with indicator digit and new check digit.
ASIN Format Validator
Check ASIN format and the ISBN-10 relationship, no Amazon lookup.
FNSKU vs ASIN vs UPC vs SKU
Who assigns each Amazon seller code, and a shape check for any identifier you paste.
Amazon GTIN Exemption Guide
Checklist and steps for an Amazon GTIN exemption request.
GS1 Company Prefix Capacity Calculator
How many UPC/EAN numbers a GS1 company prefix gives you.
Barcode Size and Magnification Calculator
EAN/UPC width, bar height and magnification from the GS1 X-dimension table.
GS1-128 Barcode Generator (FNC1 + Application Identifiers)
Free GS1-128 barcode generator. Enter (01) GTIN, (10) batch, (17) expiry, (21) serial or (00) SSCC; AI lengths, dates and check digits are validated, FNC1 is placed for…
UPC-E to UPC-A Converter
Free UPC-E to UPC-A converter. Expands an 8-digit UPC-E to the 12-digit UPC-A using the GS1 zero-suppression rules, verifies the check digit, and compresses a UPC-A back…