BarcodeGS1 data, decoded.

BARCODE DATA, MADE LEGIBLE

From scan string to useful answer.

Check digits, unpack Application Identifiers, shape a Digital Link or plan a label without wading through a generic calculator. Your data stays in the browser.

Decode somethingGS1 data · local processing
(01)09506000134352
(17)271231
(10)LOT-2048VALID STRUCTURE

Tools

What do you need to check?

Identification keys

01GTIN check digit calculatorCalculate or validate the final Modulo-10 check digit for GTIN-8, UPC/GTIN-12, EAN/GTIN-13 and GTIN-14.+00SSCC check digit calculatorCalculate or validate the Modulo-10 check digit for a Serial Shipping Container Code used on logistics units.+414GLN validatorValidate a 13-digit Global Location Number or calculate its final GS1 check digit from 12 data digits.+

Parse and validate

(AI)GS1 AI parserDecode common GS1 Application Identifiers from parenthesized, FNC1/GS-separated or scanner-output element strings.+GSGS1 element string validatorValidate common GS1 AI field lengths, numeric requirements, GTIN/SSCC check digits, dates and variable-field separators.+␝FNC1 and group-separator toolReveal, insert or replace invisible ASCII 29 group separators in GS1 scanner output using readable <GS> markers.+17GS1 YYMMDD date decoderDecode and validate six-digit GS1 production, packaging, best-before or expiration dates.+]d2GS1 scanner-output cleanerNormalize scanner prefixes, visible group-separator tokens and whitespace before feeding GS1 data to a parser.+

GS1 Digital Link

↗GS1 Digital Link URI builderBuild a GS1 Digital Link URI from GTIN, lot, serial and expiration data using path and query components.+/01/GS1 Digital Link parserParse a GS1 Digital Link URI into identifiers, key qualifiers and data attributes, with syntax and check-digit warnings.+

Label and printer planning

XBarcode X-dimension calculatorConvert module count, X-dimension and quiet zones into printed barcode width in millimetres and inches.+dpiLabel-printer dots converterConvert printer dots, millimetres and inches for 203, 300 or 600 DPI thermal label printers.+TGS1 test element-string generatorGenerate checksum-valid fictional GTIN and SSCC values plus lot, serial and date fields for parser and scanner testing.+

Standards-minded. Production-aware.

Standards-minded. Production-aware.

Every result names the rule it used and the boundary it cannot verify, so you can move from test data to production with fewer surprises.