Free Download compression software

Win Other/98/XP/2000/Server/Vista/Vista x64

CompressionMaster Suite is the most advanced data compression library available for Delphi and C++ Builder. The Suite includes three independent data compression products: Easy Compression Library, FlexCompress and ZipForge.
Download Free Trial ( 26.06 MB )

Win Other/98/XP/2000

With Easy Compression Library you can add advanced compression and encryption functionality to your projects. Key Features: Advanced compression algorithms, Compression on-the-fly, No DLLs, compiles right into your EXE, Strong encryption
Download Free Trial ( 4.32 MB )

Win Other/98/XP/2000

High-performance Zip & Unzip data compression library. Lets your applications create and manipulate 100% PKZip 2.04g and 4.5 compatible Zip files and compress/uncompress data directly in memory. Offers maximum flexibility and is the easiest to use product of its kind. State-of-the-art, clearly documented ActiveX component that provides the industry's most complete feature set and the fastest multi-threaded compression engine.
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Win Other/98/2000/XP/Server/Vista/Vista x64, Pocket PC

Geometric and strength designs of helical compression cylindrical springs loaded with static or fatigue loading. Application supports Imperial and Metric units, is based on ANSI, ISO, DIN standards and support many 2D and 3D CAD systems.
Download Free Trial ( 1.59 MB )

Win Other/XP/2000

JurikSoft Compression Library is a .NET component with a set of methods, which allow Compress array of bytes using lossless compression algorithms. Current version of compression library include following compression algorithms: LZSS e.t.c
Download Free Trial ( 0.01 MB )

Win Other/98/XP/2000/Server/Vista/Vista x64

BIGSPEED Voice Compression SDK is a simple, low-complexity, low-cost voice engine for quick development of VoIP applications. It features audio capture, playback, compression, VAD, echo suppression, noise reduction, silence compression.
Download Freeware ( 0.54 MB )

Win Other/98/XP/2000/Server/Vista/Vista x64

BIGSPEED Video Compression SDK is a low-complexity, high-performance engine for quick development of video streaming applications. It incorporates video capture and video compression/decompresion in a single COM automation object.
Download Freeware ( 0.54 MB )

Win Other/98/XP/2000, Linux, Unix

PlexCrypt allows set of files or folders to compress and encrypts and decrypts set of files or set of folders based on PKI and Passwords using AES, Blowfish, CAST, DES, ElGamal, IDEA, IES, RC4, RC6, RSA, Serpent, etc.
Download Free Trial ( 8.58 MB )

Win Other/98/XP/2000/Server

This easy-to-use toolkit includes both fast and high-ratio compression (better than ZIP) with strong encryption. It has everything you need to compress and encrypt files, memory buffers and strings.
Download Free Trial ( 1.04 MB )

Win Other/98/XP/2000/Server

Xceed Streaming Compression for .NET is an efficient and lightweight data compression class library for .NET and ASP.NET. It can handle any size byte array and provides a .NET pass-through stream that can process any .NET stream's data on the fly
Download Free Trial ( 21.47 MB )

Win XP/2000

TurboZIP is a Total Archive and E-mail Management and Cataloging tool.
Download Free Trial ( 6.17 MB )

Win Other/98/XP/2000/Server

Compress or decompress memory, streaming data, GZip & BZip2 files
Download Free Trial ( 21.47 MB )

Win 98/Other/2000/XP/Server

Quickly Encrypt, Compress and Email Confidential Windows Files
Download Free Trial ( 0.75 MB )

Win Other/98/2000/XP

File archive and compression software enabling self extracting archives
Download Free Trial ( 3.14 MB )

Win Other/XP/2000/Server

HTTP Compression Software for Microsoft IIS 4.0, 5.x, 6.0.
Download Free Trial ( 1.97 MB )

Win Other/98/2000/XP

Zipghost - Batch compression and Batch decompression utility.
Download Free Trial ( 1.06 MB )

Win Other/98/XP/2000/Server

UnJPEG – an effective tool for recovering your images from the JPEG compression.
Download Free Trial ( 3.71 MB )

Win Other/98/2000/XP/Server

Powerful HTML compression utility that compress web page up to 80%.
Download Free Trial ( 0.69 MB )

Win Vista x64

lARP64Free: x64 program compressor is the 64 bit software compression program
Download Freeware ( 3.77 MB )

Win Other/98/2000/XP/Server/Vista/Vista x64

Avoid recompression loss when editing and resaving JPEG images in Photoshop.
Download Free Trial ( 1.00 MB )

Win 7 x32/7 x64/Server/Vista/Vista x64/XP

12Ghosts Zip - Fast compression, compatible with the ZIP industry standard.
Download Free Trial ( 0.71 MB )

Win Other/98/XP/2000/Server/Vista/Vista x64

File compression and encryption library for Delphi and C++ Builder
Download Free Trial ( 10.70 MB )

Win 2000/7 x32/7 x64/Server/Vista/Vista x64/XP

WinZip: the world's leading Zip utility for compression, encryption and backup.
Download Free Trial ( 13.83 MB )

Mac OS X

It offers a solution for CD&DVD burning, DVD compression and personal backup.
Download Free Trial ( 25.00 MB )

Win XP/2000/98/Server/Other

A data compression component to quickly add zip compression to their programs
Download Free Trial ( 4.30 MB )

Win 98/Other/2000/XP/Server

A free tool to do file encryption and compression in your USB storage devices.
Download Freeware ( 2.51 MB )

Win 2000/XP

Create high-quality video files with 30% better compression than the DivX? codec
Download Free Trial ( 7.32 MB )

Win Mobile, Pocket PC, Symbian, Handheld/Mobile Other, Java

A new Multilingual Mobile Keypad For All Indian Languages and SMS Compression.
Download Freeware ( 0.40 MB )

Win Other/98/2000/XP

Backup to CD-R/W, FTP or LAN with scheduler, ZIP compression and encryption.
Download Free Trial ( 1.88 MB )

Win 98/Other/XP/2000/Server

Compress PDF files and reduce the file size by compression and optimization.
Download Freeware ( 0.89 MB )