Interleaved 2 of 5 Barcode Generator

Validate numeric ITF data, render the barcode locally, and export SVG or PNG.

Barcode data

Requires an even number of digits.

Interleaved 2 of 5Symbology

—Encoded value

—Check digit

—Approx. print size

ReadyPreview updates as you type.

Print & style settings

Bar width

Bar height (px)

Readable text

Narrow bar / X (mm)

Raster DPI

Foreground

Background

Render locally, then verify the actual printed size, quiet zones, contrast and scanner performance required by your receiving system.

Core generate, validate, scan & print workflows

Start with the broad generator or the exact symbology required by the receiving system. Use the scanner and check-digit tools to verify existing identifiers instead of treating rendering as registration.

All 23 barcode tools

Barcode GeneratorChoose a 1D symbology and export locally EAN-13 GeneratorRetail EAN-13 check digit + print planning UPC-A GeneratorUS retail UPC-A check digit + print planning Code 128 GeneratorGeneral inventory/logistics text payloads GS1-128 GeneratorGS1 Application Identifier payload workflow Data Matrix GeneratorCompact 2D payload + module-density evidence Barcode ScannerDecode an existing image or camera result Check Digit CalculatorUPC/EAN/GTIN/SSCC arithmetic verification

Interleaved 2 of 5 pair & checksum planner

Plan generic I2of5 encoding around its digit-pair requirement. Choose whether to reject or left-pad odd data and whether to append a Mod-10 preview. This is variable-length numeric symbology planning, not ITF-14 GTIN validation.

Odd-length policyChecksum policy

—Input digits

—Encoded digits

—Digit pairs

—Checksum preview

Ready.

Encoding step	Value	Status	Reason

If a Mod-10 digit is appended, the final encoded length still needs an even digit count for pairing.

Standards and assignment boundary

Use the exact symbology required by the receiving system. WebToolArc can validate supported syntax and check digits, but it does not allocate GS1 identifiers, certify regulated documents, or guarantee acceptance by a particular scanner, retailer, carrier, or institution.