Decode, render, validate barcodes: QR, DataMatrix, EAN, UPC, PDF417. All tools free, no auth.
Free
2 servers across e-commerce and sales & crm. The largest is Barcode Tools (decode, render, GTIN validate).
E-commerce · Sales & CRM
Decode, render, validate barcodes: QR, DataMatrix, EAN, UPC, PDF417. All tools free, no auth.
Czech company registry: ARES lookup, VAT status, insolvency, RÚIAN addresses, IČO/DIČ checks.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.