# UPCLabelMaker.com > Precision US GS1 & Amazon FBA barcode label studio. Generates compliant UPC-A, EAN-13, Amazon FNSKU (Code 128A), and GS1 DataMatrix 2D stickers and calibrated 30-up Avery 5160 US Letter PDF sheets. ## Key Specifications (Verified October 2026) - **UPC-A (GS1 US Section 5.2)**: 11 numeric digits + automatic 12th Modulo-10 check digit (95 modules). Nominal 100% size: 37.29 × 25.91 mm (X = 0.330 mm), locked magnification presets at 80%, 100%, and 120%, with ≥ 9X (2.97 mm) left/right quiet zones. - **Amazon FNSKU (Seller Central G200141490)**: 10-character alphanumeric code starting with X00 or B0 encoded in Code 128A, ≥ 0.25 in (6.35 mm) left/right quiet zones, ≥ 0.125 in (3.18 mm) top/bottom margins, displaying barcode, X00 string, product title, and raw item condition (e.g. New) on bottom-left; zero retail price text. - **Avery 5160 / 8160 Sheet Imposition**: True US Letter (8.5 × 11 in / 215.9 × 279.4 mm / 612 × 792 pt), 3 columns × 10 rows = 30 stickers per page, each cell 2.625 × 1.0 in (66.675 × 25.4 mm), 0.5 in top/bottom margins, 0.1875 in side margins, 0.125 in horizontal gutter. - **Pricing**: Unlimited single PNG (600 DPI) & vector SVG downloads are $0 (free, no login). Full 30-up PDF sheets, continuous thermal roll PDFs, and multi-SKU CSV batches use non-expiring Credits (3 free starter credits on account sign-up; Starter Pack $9 for 150 credits, Growth Pack $19 for 500 credits, Warehouse Pro Pack $49 for 2,000 credits). ## Dedicated Tools - [UPC label generator](https://upclabelmaker.com/): Generate GS1-compliant UPC-A, EAN-13, Amazon FNSKU, and 2D DataMatrix labels online. Download free single PNG/SVG stickers or print 30-up Avery 5160 PDF sheets. - [Amazon FNSKU label maker](https://upclabelmaker.com/amazon-fnsku-label-maker): Create compliant Amazon FBA FNSKU barcode labels in Code 128A with X00 code, product title, and condition. Free single PNG/SVG or 30-up Avery 5160 sheet PDFs. - [GS1 DataMatrix generator](https://upclabelmaker.com/gs1-datamatrix-generator): Generate GS1 DataMatrix 2D barcode labels with FNC1, (01) GTIN-14, (17) expiration date, and (10) batch/lot numbers. Free vector SVG/PNG or 30-up sheet PDFs. - [EAN-13 barcode label generator](https://upclabelmaker.com/ean-13-label-generator): Create GS1-compliant 13-digit EAN-13 retail barcode stickers with automatic Modulo-10 check digit calculation. Free PNG/SVG download or 30-up PDF sheets. - [Avery 5160 barcode label template](https://upclabelmaker.com/avery-5160-template): Print 30 UPC-A, EAN-13, or Amazon FNSKU barcode labels per sheet on Avery 5160 / 8160 US Letter paper (2.625 × 1 in). Auto check-digit verification & CSV import. - [Avery 5163 4×2 barcode label template](https://upclabelmaker.com/avery-5163-template): Generate 10-up 4 × 2 in shipping and master carton barcode labels on Avery 5163 US Letter sheets. Supports 120% GS1 magnification for long-range warehouse scanning. - [2 × 1 in thermal barcode label maker](https://upclabelmaker.com/thermal-2x1-labels): Create 1:1 calibrated 2 × 1 in (50.8 × 25.4 mm) thermal barcode labels for Zebra, Rollo, and Dymo printers. Export single PNG/SVG or multi-page continuous roll PDFs. - [UPC & EAN check digit calculator](https://upclabelmaker.com/check-digit-calculator): Calculate and verify the 12th UPC-A or 13th EAN-13 Modulo-10 check digit instantly. Paste a single code or a batch CSV to fix wrong check digits automatically. - [Pricing & Credit Packs](https://upclabelmaker.com/pricing)