| gptkbp:instanceOf | gptkb:software 
 | 
                        
                            
                                | gptkbp:category | gptkb:software data compression
 C libraries
 
 | 
                        
                            
                                | gptkbp:compressionRatio | lossless 
 | 
                        
                            
                                | gptkbp:developer | gptkb:Mark_Adler gptkb:Jean-loup_Gailly
 
 | 
                        
                            
                                | gptkbp:fileExtension | .zlib .zz
 
 | 
                        
                            
                                | gptkbp:implementedIn | gptkb:DEFLATE 
 | 
                        
                            
                                | gptkbp:influenced | gptkb:gzip gptkb:minizip
 gptkb:pigz
 gptkb:libdeflate
 gptkb:zlib-ng
 zopfli
 
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                                | gptkbp:influencedBy | gptkb:PKZIP 
 | 
                        
                            
                                | gptkbp:latestReleaseVersion | 2023-08-18 1.3.1
 
 | 
                        
                            
                                | gptkbp:license | gptkb:zlib_License 
 | 
                        
                            
                                | gptkbp:operatingSystem | Cross-platform 
 | 
                        
                            
                                | gptkbp:programmingLanguage | C 
 | 
                        
                            
                                | gptkbp:releaseDate | 1995 
 | 
                        
                            
                                | gptkbp:RFC | gptkb:RFC_1952 gptkb:RFC_1951
 gptkb:RFC_1950
 
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                                | gptkbp:supports | streaming compression streaming decompression
 
 | 
                        
                            
                                | gptkbp:usedIn | gptkb:Android gptkb:Java
 gptkb:Perl
 gptkb:Python
 gptkb:Ruby
 gptkb:iOS
 gptkb:operating_system
 gptkb:Node.js
 gptkb:OpenSSL
 gptkb:Git
 gptkb:gzip
 gptkb:libpng
 PHP
 PNG
 HTTP compression
 zip
 
 | 
                        
                            
                                | gptkbp:website | https://zlib.net/ 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:WOFF_specification 
 | 
                        
                            
                                | gptkbp:bfsLayer | 5 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | zlib 
 |