Designed for quick implementation, LSZip is a high-performance Rapid Application Development (RAD) compression library for Windows.

With LSZip you can add industry-standard PKZip, WinZip and Windows Explorer compatible (2.04g PKWARE ZIP format) data compression capabilities to your own Windows programs. Our royalty-free data compression libraries allow to create and manage Zip archives in your Windows Server 2019, Windows 10, Windows 8.x, Windows 7, Windows Vista, Windows 2003, Windows XP, NT and Me/98/95 applications without having to shell out to a "DOS" session. Time critical routines are written in fast, highly-optimized assembler code and can perform at speeds up to 200% faster than other Zip libraries.

Click the buttons below to download and/or buy LSZip for Clarion (code and feature complete!). Please note that technical support is not included as a benefit to the LSZip license.

LSZip for Clarion install image (6.x - 11.x) — Date: September 07, 2018Version: 2.99.7000

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