Free high quality lossless video codec. It has the best compression ration among free lossless video codecs. Supports RGB, YUY2 and YV12. Allows to set up speed/compression ratio compromise by choosing appropriate motion compensation algorithm. Allows to set up loss/compression ratio compromises. Performs accurate denoisng in temporal and spatial domains during lossy compression.

New compression format. Infima Compression Library SDK was built from the ground up for better compression ratio and speed but not at the cost of performance. The LAN format is a new archive format, providing high compression ratios and speed for most data types, it provides a platform for managing and creating data archives which are 10%-85% better than other products.

High efficient Data Compression Library for use with Delphi, C++ or VB. Support Rank, ZIP, BZIP and PPM compression algorithms. Compression ratio more than 1.5-2 times better than ZIP/RAR archiver. Compression speed up to 8 Mb/sec (on PIII-600).

This is a unique tool that allows you to store your images with a higher compression ration and unavailable to the others to be seen. Each personal copy of the tool provides unique encryption algorithms that make different private copies incompatible of reading images compressed and encrypted by other personal releases.

BIGSPEED Voice Compression SDK is a simple, low-complexity, low-cost voice engine for quick development of VoIP applications. It incorporates audio recording/playback and voice compression/decompresion in a single COM automation object, along with some advanced voice processing features. The used audio format is wideband, 16kHz, 16Kbps, PCM. The compression ratio is adjustable and can vary from 4:1 to 50:1.

m9P Zipper is a file compression (zipping) and decompression (unzipping) utility. This tool, capable of up to 0.9 compression ratio, outputs a zipped file that is a mere shadow of the original one! mental9Production uses m9P Zipper to zip large log files (.log) for archiving purposes. But m9P Zipper can be used to zip many other file types. Also, m9P Zipper files are compatible with other standard zipping utilities. Free full version (size ~2MB).

Most people store their information on their computer and expect it to be safe. But is it really safe? ...Achieve easy file- folder Security with Datalock for any file/folder, any size, any format - High ratio Data Compression achieved - Secure communication of data over internet, LAN/WAN - No need to remember many passwords - easy 3 step process - Eliminates unauthorised access - Designed for all Windows based OS

This unique software acts similar to WinZip enabling you to compress your HTMLs into much smaller zip archives with compression ratio of 90% and more! Your web pages will load quicker and you'll save both your web traffic and disk space. Unzipping compressed with HTML2Zip documents in browser is completely transparent for CSS, Java and other scripts, working on the client side, including the scripts contained are between the head and /head tags.

Free high quality lossless codec for video captured from screen. It has the best compression ratio and speed among free lossless video codecs (on this kind of video). Can be used to make software presentations, videolessons and tutorials. Good for compressing videos from old games (captured in DOSBox for example). Works in RGB24 colorspace.

UnderPressure is a small tool for optimizing HTML files. It compresses all HTML files in a given folder. UnderPressure reaches an compression-ratio about 20%

Lossless Video for Windows video codec with the highest compression ratio. Supports RGB24, YV12, YUY2 color formats. Free for non-commercial use. Can be used with VirtualDub and other programs supporting VfW codecs.

NTFS offers file based compression but the compression rate isn't displayed anywhere. For any folder on an NTFS volume, NTFSRatio shows the size and the compression rate of this folder and also of its subfolders. Compression and decompression can be done inside NTFSRatio with immediate review of the result. Results can be printed or exported. NTFSRatio can be called from the Explorer context menu of any folder.

High-performance and easy-to-use compression/encryption library. It has the all you need to compress and encrypt files, memory buffers and strings.
-Wide range of compression algorithms and modes
-Extremely fast modes
-Better rate than Rar, Zip, BZip
-Strong encryption - AES Rijndael
-One stream for transparent compression/decompression for write/read
-Forward and backward seeks in stream
-Read and write any portion of data