🛠️ Free Barcode & QR Tools

Calculator

Data Capacity Calculator

Calculate barcode data capacity. QR code characters, maximum data storage.

Instant Accurate

Use Tool → Free

Calculator

Module Width Calculator

Calculate barcode module width. X-dimension sizing for different applications.

Instant Accurate

Use Tool → Free

Calculator

Barcode Quiet Zone Calculator

Calculate barcode quiet zones. Required margins for scanning. Print specifications.

Instant Accurate

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Validator

Barcode Print Quality Grader

Grade barcode print quality. ISO verification, scan grade analysis.

Check Digit Format

Use Tool → Free

Validator

Data Matrix Validator

Validate Data Matrix codes. Industrial barcode verification.

Check Digit Format

Use Tool → Free

Validator

GS1-128 Validator

Validate GS1-128 barcodes. Application identifier verification, data structure check.

Check Digit Format

Use Tool → Free

Validator

ISSN Validator

Validate ISSN numbers. Magazine and journal serial verification.

Check Digit Format

Use Tool → Free

Validator

UPC-A Validator

Validate UPC-A barcodes. Check digit calculation, format verification.

Check Digit Format

Use Tool → Free

Validator

EAN-13 Validator

Validate EAN-13 barcodes. Check digit verification, format checking. Ensure accuracy.

Check Digit Format

Use Tool → Free

Converter

Barcode Resolution Converter

Convert barcode resolution. Adjust DPI for print or screen. Quality optimization.

Instant Copy

Use Tool → Free