How do I fix barcodes not lining up on Avery label sheets?

Printers have physical roller feed tolerances that vary by 0.5mm to 2mm. Best Barcodes includes a Micro-Calibration panel where you can shift the Page Top Margin and Page Left Margin in millimeter increments until test prints line up with physical Avery label cutouts.

Are my spreadsheets and barcode numbers kept private?

Yes, 100%. Best Barcodes runs completely in your web browser. All CSV and Excel parsing, barcode generation, and PDF rendering happen client-side. No customer data or barcode numbers are ever sent to a server.

What printer dialog settings should I use for printing Avery labels?

In your browser's Print dialog, set Scale to 100% (Actual Size, never 'Fit to Page'), choose Paper Size as US Letter (8.5 x 11 inches), set Margins to None or Default, and ensure Background Graphics are enabled.

What barcode types are supported for Avery labels?

Best Barcodes supports UPC-A, UPC-E, EAN-13, EAN-8, Code 128, Code 39, Codabar, Interleaved 2 of 5, PostNet, and 2D QR Codes.

Best Barcodes | Free Online Avery Label & Barcode Generator (CSV & Excel)

1 Barcode Data 30 labels (1 sheet)

Click to browse or drag & drop

.csv, .xlsx, .xls (Col A = Code, Col B = Name)

⬇ Download CSV Template

2 Template & Symbology

Avery Label Template

Barcode Symbology

Barcode Scaling

Fixed Width (Centered)

Stretch to Fill Width

3 Micro-Calibration

Page Top Margin

Page Left Margin

Inner Nudge Y (↕)

Inner Nudge X (↔)

Barcode Bar Height

Name Font Size (pt)

4 Profiles & Sharing

Import JSON

Community Calibrations

📖 Avery Printing Guide & FAQ

How do I fix barcodes not lining up on Avery sheets?

Printer feed rollers routinely drift by 0.5mm to 2mm. In Step 3 (Micro-Calibration), adjust the Page Top Margin and Page Left Margin in 0.5mm increments until your test printout aligns with physical Avery label cutouts.

What printer settings should I use?

In your browser print dialog, always set Scale to 100% (Actual Size, never "Fit to Page"), select US Letter (8.5 × 11 in), set Margins to None or Default, and ensure background vector graphics are enabled.

Are my spreadsheets and barcodes private?

Yes. Best Barcodes is 100% client-side. Spreadsheets and barcode values are processed locally in your browser memory and never transmitted to any external server.

Which Avery templates and barcodes are supported?

Supported Avery layouts include 6870, 5160, 5195, 5163, and 5167. Barcode formats include UPC-A, EAN-13, Code 128, Code 39, Codabar, ITF, and QR Code.