| Name | Description | Type | Package | Framework |
| BitArray | A simple, fast array of bits, represented compactly by an array of ints internally. | Class | com.itextpdf.text.pdf.qrcode | IText |
| BitMatrix | Represents a 2D matrix of bits. | Class | com.itextpdf.text.pdf.qrcode | IText |
| BitVector | JAVAPORT: This should be combined with BitArray in the future, although that class is not yet dynamically resizeable. | Class | com.itextpdf.text.pdf.qrcode | IText |
| ByteArray | This class implements an array of unsigned bytes. | Class | com.itextpdf.text.pdf.qrcode | IText |
| ByteMatrix | A class which wraps a 2D array of bytes. | Class | com.itextpdf.text.pdf.qrcode | IText |
| CharacterSetECI | Encapsulates a Character Set ECI, according to "Extended Channel Interpretations" 5. | Class | com.itextpdf.text.pdf.qrcode | IText |
| EncodeHintType | These are a set of hints that you may pass to Writers to specify their behavior. | Class | com.itextpdf.text.pdf.qrcode | IText |
| Encoder | Class | com.itextpdf.text.pdf.qrcode | IText | |
| ErrorCorrectionLevel | See ISO 18004:2006, 6. | Class | com.itextpdf.text.pdf.qrcode | IText |
| GF256 | This class contains utility methods for performing mathematical operations over the Galois Field GF(256). | Class | com.itextpdf.text.pdf.qrcode | IText |
| MaskUtil | Class | com.itextpdf.text.pdf.qrcode | IText | |
| MatrixUtil | Class | com.itextpdf.text.pdf.qrcode | IText | |
| Mode | See ISO 18004:2006, 6. | Class | com.itextpdf.text.pdf.qrcode | IText |
| QRCode | Class | com.itextpdf.text.pdf.qrcode | IText | |
| QRCodeWriter | This object renders a QR Code as a ByteMatrix 2D array of greyscale values. | Class | com.itextpdf.text.pdf.qrcode | IText |
| ReedSolomonEncoder | Class | com.itextpdf.text.pdf.qrcode | IText | |
| ReedSolomonException | Thrown when an exception occurs during Reed-Solomon decoding, such as when there are too many errors to correct. | Class | com.itextpdf.text.pdf.qrcode | IText |
| Version | See ISO 18004:2006 Annex DSince:5. | Class | com.itextpdf.text.pdf.qrcode | IText |
| Version .ECB | Encapsualtes the parameters for one error-correction block in one symbol version. | Class | com.itextpdf.text.pdf.qrcode | IText |
| Version .ECBlocks | Encapsulates a set of error-correction blocks in one symbol version. | Class | com.itextpdf.text.pdf.qrcode | IText |
| WriterException | A base class which covers the range of exceptions which may occur when encoding a barcode using the Writer framework. | Class | com.itextpdf.text.pdf.qrcode | IText |