The addZIP Compression Components are the simplest way to add the industry-standard PKZIP compatible file compression and decompression to your programs. These royalty-free, multithreaded ActiveX/COM components are compatible with all 32-bit development software including Visual Basic 6/.NET, C/C++, Delphi and Visual FoxPro. The addZIP and addUNZIP components have no user-interface so they can be used both in desktop and server applications.

If instead of zip files you find a message saying "Cannot open file: it does not appear to be a valid archive", it means that the files are damaged and stand in need of zip repair. To fix the problem, open the files in Zip Repair Tool. The program features a sophisticated recovery algorithm that restores zip structure integrity and helps recover zip files with their contents. You can easily repair zip files of any size and number of volumes.

Zip Repair Tool is a Zip file repair tool that helps to repair zip file and extract zipped files from corrupt zip file. Software provides fully automated zip repair process and a user-friendly interface. Locate corrupt Zip file, scan the zip file to assess the damage, Zip File Repair Tool with its robust engine extract files from zip file. Repair Zip having CRC errors, Virus Corruption, Broken downloads created using WinZip & WinRAR.

Zip Reapir is a utility that will repair corrupt Zip files. Zip Repair creates an error free backup of your original damaged Zip file for instant access. No special skills are required to fix Zip files. Fix CRC errors in Zip files. Supports repair of damaged spanned Zip volumes. Repair Zip64 file format.

ZIP Recovery Toolbox repair ZIP files and extract files from a damaged ZIP and SFX files. Features:
Repair ZIP archives
Repair self-extracting (SFX) files
Recover password-protected ZIP files
Repair ZIP files larger than 4 GB
Restore ZIP files from damaged media
Check file integrity
Repair corrupted ZIP archives on the local area network
Fix the error Cannot open file: it does not appear to be a valid archive in ZIP archives

This high-performance Zip/Unzip compression ActiveX component has the industry's richest feature set and uses the fastest multi-threaded compression engine available. Its clear design and impeccable documentation will ensure your compression needs are implemented quickly and easily. Supports all languages through ActiveX or DLL interfaces. Now includes WinZip 9.0-compatible AES strong encryption.

WASPZip is an Active Server Pages DLL Zip and Email component. It allows you to compress multiple files into one zip file and send it to an email address as an attachment. WaspZip does it all in one command.

ZIP file repair software to reconstruct broken ZIP files for ZIP File Recovery. Advanced Zip recovery software to open zip files, read zip files & extract zip files. Zip Repair Software restore music, images, documents, emails etc from broken ZIP files created using WinZip, WinRAR or any other compression utility. Powerful Zip reader tool serves as ZIP File Repair & ZIP Recovery tool helps to open zip file & extracts zip folders.

SCML ZIP & SPLIT OCX is an OCX control that allows Visual Basic
programmers to zip and split files.

Recovery Toolbox for Zip was created to help users solve the zip recovery issues and always have control of their archived data. It recovers information from damaged zip files and minimizes data loss during the zip recovery process. One of the peculiarities of this application is the fact that it employs several heuristic algorithms and methods to repair zip file or recover information from damaged zip files.

Kernel for ZIP - recover files from corrupted ZIP archives corrupted due to incomplete download, virus attacks or CRC errors. During repairing process a complete scan of the damaged ZIP file is performed to locate and extract the recoverable information. After the complete scanning the files which are recoverable are recovered and copied in the used defined location.

DLL to Lib is a magical tool which can convert DLL into its equivalent static library and introduce a programming interface identical to the export functions in the DLL for developers. After that, you can replace the original DLL with the static library, rebuild your application, and distribute it without the DLL! The most exciting thing is that the conversion process DOES NOT require any source codes of the DLL files!

Zlib is a free general-purpose data-compression library. Integrity checks performed with the CRC-32 or the ADLER 32 checksums. In-memory operations use the zlib compressed data format (RFC 1950). Deflate (RFC 1951) is used for its compression algorithm. Typical compression ratios are between 2:1 and 5:1. The gzip format, RFC 1952, is supported for compressing files on a file system. Lacks support for PKZip 4.5, BZip2, and Deflate64.