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- zlib Home Site
zlib is designed to be a free, general-purpose, legally unencumbered -- that is, not covered by any patents -- lossless data-compression library for use on virtually any computer hardware and operating system
- zlib 1. 3. 1 Manual
The zlib format was designed to be compact and fast for use in memory and on communications channels The gzip format was designed for single- file compression on file systems, has a larger header than zlib to maintain directory information, and uses a different, slower check method than zlib The library does not install any signal handler
- zlib Technical Details
zlib 's compression method, an LZ77 variant called deflation, emits compressed data as a sequence of blocks Various block types are allowed, one of which is stored blocks—these are simply composed of the raw input data plus a few header bytes
- License - zlib
Last modified 17 February 2026 Send all questions about zlib or its license to zlib@gzip org
- Index of fossils - zlib
Index of fossils Index of fossils
- Frequently Asked Questions about zlib
Will zlib read the (insert any ancient or arcane format here) compressed data format? Probably not Look in the comp compression FAQ for pointers to various formats and associated software How can I encrypt decrypt zip files with zlib? zlib doesn't support encryption
- zlib Home Site
version of zlib (post- 1 1 4), it is strongly recommended to link it to the new ZLIB1 DLL 5 Why are the zlib symbols exported by name, and not by ordinal? - Although exporting symbols by ordinal is a little faster, it is risky Any single glitch in the maintenance or use of the DEF file that contains the ordinals can result in incompatible
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