Question 1

Is Offline Barcode Reader completely free to use?

Accepted Answer

Yes, Offline Barcode Reader is 100% free with zero registration or hidden fees.

Question 2

Are my uploaded photos or camera scans sent to any server?

Accepted Answer

No. All barcode and QR code decoding happens 100% on your device's browser using JavaScript. No images or camera frames are ever transmitted over the network.

Question 3

What barcode formats are supported?

Accepted Answer

Offline Barcode Reader supports 1D barcodes (Code 128, Code 39, EAN-13, EAN-8, UPC-A, UPC-E, Codabar, ITF) and 2D codes (QR Code, Data Matrix, PDF417, Aztec).

Question 4

Can I use this app without an internet connection?

Accepted Answer

Yes! This application is a fully functional Progressive Web App (PWA). Once loaded, it works completely offline without any internet connection.