A Massively Spiffy Yet Delicately Unobtrusive Compression Library(Also Free, Not to Mention Unencumbered by Patents). Not Related to the Linux zlibc Compressing File- I/O Library).
- Automatically repair Windows Media Player problems when the player doesn’t start, streaming doesn’t work or when you cannot browse or search for media.
- ZLIB is a compression library compatible with the gzip format. zlib123dll.zip - pre-built zlib DLL. You can also get 64 bits minigzip for x86-64 Windows.
- DotNetZip is a FAST, FREE class library and toolset for manipulating zip files. Use VB, C# or any.NET language to easily create, extract, or update zip files.
- Win with WinZip: the world's leading Windows zip utility for file compression, encryption, sharing, and data backup. WinZip saves time and space, making it easy to.
- 7-Zip is a file archiver with a high compression ratio. Choose a download format. Download links redirect to a download page on SourceForge.net.
Welcome to the zlib home page, web pages originally created by. Mark Adler. If this page seems suspiciously similar to the. PNG Home Page, rest assured. No, really. zlib was written by. Jean- loup Gailly (compression) and.
Current release. zlib 1. April 2. 8, 2. 01. Version 1. 2. 8 fixes a very rare bug in decompression. All users are encouraged to upgrade immediately. Version 1. 2. 8 also has these improvements. Add new inflate. Get.
Dictionary() function. Fix bug where gzopen() immediately followed by gzclose() would write an empty file instead of an empty gzip stream. Fix bug in gzclose() when gzwrite() runs out of memory. You can also look at the complete Change Log. Version 1. 2. 7 has many portability improvements over 1. Fix bug in gzclose_w() when gzwrite() fails to allocate memory. Add "x" (O_EXCL) and "e" (O_CLOEXEC) modes support to gzopen()Add gzopen_w() in Windows for wide character path names.
Fix type mismatch between get_crc_table() and crc_table. Version 1. 2. 6 has many changes over 1. Added a 'T' option to gzopen() for transparent writing (no compression).
Added deflate. Pending() to return the amount of pending output. Allow deflate. Set. Dictionary() and inflate. Set. Dictionary() at any time in raw mode. Prime() can now insert bits in the middle of the stream. Added a ./configure - -solo option to compile zlib with no dependency on any libraries. Fixed a problem with large file support macros.
Fixed a bug in contrib/puff. Many portability improvements. Version 1. 2. 5 fixes bugs in gzseek() and gzeof() that were present in version 1. March 2. 01. 0). All users are encouraged to upgrade immediately. Version 1. 2. 4 has many changes over 1. Fixed bugs in adler. Bound(), and deflate.
Bound()Wholesale replacement of gz* functions with faster versions. As part of that, added gzbuffer(), gzoffset(), gzclose_r(), and gzclose_w() functions.
Faster Z_HUFFMAN_ONLY and Z_RLE compression for images and other specialized compression. Added flush options Z_BLOCK to deflate() and Z_TREES to inflate() for finer control.
Added inflate. Reset. Mark() functions, the latter to aid in random access applications. Added LFS (Large File Summit) support for 6. Updated examples in examples/ and updated third- party contributions in contrib/. If you are using libxml version 2. This was fixed in libxml 2.
Version 1. 2. 3 (July 2. The following important fixes. Eliminate a potential security vulnerability. Eliminate a potential security vulnerability. Fix a bug when decompressing dynamic blocks with no distance codes. Fix crc check bug in gzread() after gzungetc()Do not return an error when using gzread() on an empty file. Versions 1. 1. 4 (March 2.
Any software that is linked. A partial list of over 5. Canonical URL. http: //zlib. US). zlib is designed to be a free. The zlib data format is itself portable across. Unlike the LZW compression method used in Unix compress(1).
GIF image format, the compression method currently used in zlib. LZW can double or triple the file size in. A more precise. technical discussion of both points is available on another page. Jean- loup Gailly (compression) and. Jean- loup is also the primary author/maintainer of. FAQ list and. the former maintainer of Info- ZIP's Zip.
Mark is also the author of gzip's and. Zip. Not surprisingly.
Zip, namely, the `deflate' method that originated in. PKWARE's PKZIP 2. Mark and Jean- loup can be reached by e- mail at. Please read the FAQ and. We are getting too many questions which already have an.
Greg, Mark and/or Jean- loup will add some more stuff here when they think of. For now this page is mainly a pointer to zlib itself and to related links.
7-Zip. 7-Zip is a file archiver with a high compression ratio. Download 7-Zip 16.02 (2016-05-21) for Windows. Microsoft Visual C++ Runtime Library Error on windows7 Fixing with CMD, Visual C++ error on windows 7 ultimate 64bit and 32 bit, Error fixing trick.
Note. that the deflate and zlib specifications both achieved official Internet RFC status in May 1. Java Development Kit (JDK), both as a. JAR archive. The lovely zlib- vise image above was provided courtesy of Bruce Gardner, art. Dr. Dobb's Journal. It. appears in Mark Nelson's article in the January 1. The current release is publicly available here. K. MD5 checksum 4.
US (zlib. net)Pick a mirror (prdownloads. K. MD5 checksum 2. US (zlib. net)Pick a mirror (prdownloads. K. MD5 checksum 1. US (zlib. net)Pick a mirror (prdownloads. DLL, version 1. 2. K. MD5 checksum 4.
US (zlib. net)Pick a mirror (prdownloads. Note that zlib is an integral part of. Informationzlib Frequently Asked Questions. Zlib- announce mailing list. New versions of zlib are announced on this list.
Zlib- devel mailing list. Please do not send questions or comments about zlib to.
Send those directly to the authors at. FAQ and. the manual, of course. The zlib- devel list is for the development of. Manualzlib Usage Examplezlib Technical Details. Deflate stream disassembler. Deflate Algorithmzlib's deflate flush modeszlib Licensezlib on github. CRC (Cyclic Redundancy Check) Bonus Information.
Ross Williams' classic "A Painless Guide to CRC Error Detection Algorithms"Code to generate any CRC, with a list of CRC. CRC and. compute that CRC efficiently. It includes bit- wise, table- driven. CRC algorithms. Code to modify a message so that it generates the. CRC. spoof. c takes an abbreviated description of. CRC, the exclusive- or of the current CRC of the message and the. CRC, the length of the message, and a list of bit locations in.
CRC. Note that it does not need the message. CRCs. ZIP File Processing Bonus Software.
Code to read a zip file as a stream and extract. It accepts Zip. 64 input. Code to merge multiple zip files into a single. Zip. 64 input files, and will. Zip. 64 output if the combined size of the merged zip file.
All compression formats are permitted, since no. Encrypted entries are. Related External Links. Linux, both shared and. RPM format, many. Solaris. zlib for Solaris (alternate).
SCO Open Server 5. Be. OS R5. zlib for Mac OS X: zlib is already included as part of Mac OS X. Mac OSzlib for. OS/2 (DLL and static version for emx 0. Palm Pilotzlib for Newton OSzlib for Windows CE. RIM Black. Berryzlib for Windows. NT/2. 00. 0/XP/2. DLL version, plus related utilities).
Windows 9x/NT (DLL and static version). Dot. Net. Zip zip file manipulation for . NET, and more (including replacements for the. Microsoft GZip. Stream and Deflate.
Stream classes). zlib for . NET in C#. zlib DLL wrapper for . NET in C#. zlib DLL wrapper for . NET in VB. Zip for .
NETMark Nelson's. Zlib. Tool article and. Win. 32 source code for. Dr. Dobb's Journal (January 1. C++ wrapper for the gz* functions.
C++ zlib and gzip filters in an iostream framework. C++ source and binaries for use with Visual Basic 4. Delphi 2. 0). (unsupported VB5 binary also available). Pascal port (Pascal source, tested with Turbo. Pascal 7. 0 and Delphi 3.
Delphi 5 interface. C++ Builder 5. project files). Perl interface (source code; look for Compress- Zlib*. Python. interface (online manual; part of the standard library as of.
Python 1. 5). interface mk. Ziplib. zlib Haskell. Java interface (see also JAR format). Mark Nelson's. Java. Zip article (with source code) for.
Dr. Dobb's Journal (December 1. Random access for gzip archives, for Java. Gilles Vollant's zlib- based. Info- ZIP's Un. Zip. Scott Ludwig's zlib- based. CExe executable compressor for Win.
Japanesezlib information in Russian. Real World Scanning and Halftones. Markus Oberhumer's. LZO `real- time' data compression library. PPP Deflate Protocol. Info- ZIP Home Page.
Portable Network Graphics (PNG). Home Pagegzip Home Pagepigz (parallel gzip) Home Page.
Data. Compression. Frequently Asked Questions list. Send comments or questions about zlib to the authors at. FAQ and. Please report broken links to. Last updated May 1.