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File2QR is an Android app that let you encode any small file on the filesystem to a QRcode. Conversely, you can decode the encoded file from the generated QR, with mobile's camera. File2QR is built on ZXing library.
This project develops the Open Source Decoder/Encoder of QR Code (JIS-X-0510, ISO/IEC18004), the 2 dimensional barcode popular in Japan for data exchange. The goal is add QR Code Capability to device with a built-in camera and Java all over the world.