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Free Barcode Tools
Utility tools for UPC, EAN, GTIN, and ITF-14 work. No signup, no watermark, no rate limit — just the math.
Check Digit Calculator
Compute the GS1 Mod 10 check digit for UPC-A, EAN-13, EAN-8, ITF-14.
GTIN Converter
Convert UPC-A ↔ EAN-13 ↔ GTIN-14. Zero-pad, drop, recompute check digit.
ITF-14 Case Code Generator
Build ITF-14 case codes from UPC-A/EAN-13 with an indicator digit (0-8).
GS1-128 Application Identifier Builder
Compose GS1-128 / GS1 DataMatrix strings with Application Identifiers. DSCSA, FDA UDI, EU FMD, shipping labels.
Barcode Validator
Paste any UPC/EAN/ISBN/GTIN — instantly see format, check digit, and country prefix.
SSCC Generator
Build 18-digit Serial Shipping Container Codes for pallets and shipping units.
GS1 Country Prefix Lookup
Identify which country issued a barcode from its GS1 prefix. 100+ countries.
GS1 Digital Link Builder
Build the Sunrise-2027 ready GS1 Digital Link URL + 2D barcode. GTIN, lot, expiry, serial.
Barcode Scanner
Scan any barcode with your camera. UPC, EAN, QR, Data Matrix — all in the browser, no app.
Barcode Generators
Pick a format. Every generator validates the check digit, renders to a scannable barcode, and downloads as PNG (or SVG/PDF on paid plans). All formats free for casual use.
- UPC-A generator
- UPC-E generator
- EAN-13 generator
- EAN-8 generator
- ISBN generator
- ITF-14 generator
- Code 128 generator
- FNSKU generator
- Data Matrix generator
These tools are for math and conversions. If you want to render an actual scannable barcode (UPC-A, EAN-13, Code 128, QR, Data Matrix), use the barcode generators.