| Filter | This is the interface that will be used to apply filters to a byte stream. | code | html |
| ASCII85Filter | This is the used for the ASCIIHexDecode filter. | code | html |
| ASCIIHexFilter | This is the used for the ASCIIHexDecode filter. | code | html |
| CCITTFaxDecodeFilter | This is a filter for the CCITTFax Decoder. | code | html |
| DCTFilter | This is the used for the DCTDecode filter. | code | html |
| FilterManager | This will contain manage all the different types of filters that are available. | code | html |
| FlateFilter | This is the used for the FlateDecode filter. | code | html |
| LZWDictionary | This is the used for the LZWDecode filter. | code | html |
| LZWFilter | This is the used for the LZWDecode filter. | code | html |
| LZWNode | This is the used for the LZWDecode filter. | code | html |
| RunLengthDecodeFilter | This is a filter for the RunLength Decoder. | code | html |