Type in your text and press enter! Use a mobile phone to scan it. I have found that it is easier to scan it when it is not in full screen mode. Please tell me if it does not work.
I was inspired to create this project by a QR code generator by @-Jie-, but QR codes were WAY too complicated for me, so I decided to just do normal barcodes. The barcodes are in code 128, which allows numbers, letters, and some symbols.