| What it does | Generate GS1-compliant UPC, EAN, and Amazon FNSKU barcode labels online
| Client-side WebAssembly SDK for compressing images and PDFs in the browser before upload
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| Stage | Not given
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| Based in | Not given
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| Pricing model | Freemium
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| Pricing | Free: Single PNG/SVG barcodes with no account or watermark, plus 3 free full-sheet PDFs on sign-up. Pro: $9/month (or $79/year, approximately $6.58/month with 2 months free) for unlimited calibrated barcode label sheets, CSV/multi-SKU import, and saved batch archive. One-off sheet packs: Starter Pac
| Developer Free: $0/forever with unlimited client-side WASM engine, zero-config, target KB file bisection, and default "Powered by 100KB" backlink. Commercial License: $19/month (or $149/year, save 35%) for 100% unbranded license, automated domain whitelist lock, and high-precision biometric passport
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| Key features | - UPC-A barcode generation with automatic check digit, SKU and price fields
- Amazon FNSKU labels with X00 code and product title for FBA
- EAN-13 international barcode labels with guard bars and quiet zones
- GS1 DataMatrix 2D codes with expiration dates and lot numbers
- Thermal label sheets calibrated for Zebra, Rollo, and Dymo printers
- CSV and multi-SKU batch import for bulk label creation
- Avery 5160/8160 30-up and Avery 5163 10-up calibrated PDFs and Word templates
- Alignment test PDFs to verify print settings
- Check digit calculator for UPC-A, EAN-13, and GTIN-14 validation
- Cloud-based saved batch archive for re-downloading old label batches
| - Target KB bisection - compresses files to exact size caps (50KB, 100KB, 200KB)
- Vector-preserving PDF compression - shrinks PDF streams while preserving text and fonts
- ICAO biometric passport photo cropping - 70% head ratio for visa compliance
- AI background removal - neural network-based transparent PNG cutouts
- Signature contrast sharpening - cleans signatures under 20KB
- Parallel batch processing - processes 100+ files concurrently without UI freezing
- AWS S3 and Cloudflare R2 integration - 1-line wrapper for cloud storage uploads
- Format conversion - HEIC to JPG, PNG to JPG, JPG to PNG, image to PDF
- PDF manipulation - merge, split, convert PDF to Word
- Stamp and watermark removal - removes scanner artifacts and digital stamps
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| What makes it different | - Calibrated to exact physical dimensions of US Letter sheets and thermal rolls with no manual scaling needed
- Single PNG/SVG barcodes are always free with no account or watermark required
- Blank templates and alignment tests provided free for all label formats
- Mix multiple SKUs on one sheet with custom quantities
- One-off sheet packs never expire and can be used anytime
| - 0ms cloud latency - all processing happens locally in browser RAM with no server involved
- Reduces AWS S3 bills by 85% - shrinks 15MB uploads to 100KB before upload
- Unified SDK replacing 5 open-source packages - single solution for PDF, image, and AI tools
- 18+ media and document engines included - comprehensive toolkit from compression to biometrics
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 2 |
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| Citation Flow (Majestic) | 0 | 21 |
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| Referring domains (Majestic) | 0 | 28 |
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UPCLabelMaker
100KB Developer