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CHK

Checksum Utility

Description

CHK is an advanced checksum utility. With this simple and intuitive tool you can easily find duplicate files on your computer, verify downloaded files from the Internet and sign your own files to ensure the integrity!

Features

Simple and intuitive interface with Unicode and Drag&Drop support
Wide range of hash functions to choose from: CRC32, ED2K (eMule/eDonkey2000), MD5, SHA1, SHA1-Base32, SHA256, SHA384, SHA512, Keccak512 (SHA3)
100% portable - no installation or DLLs needed!
100% FREE!

Download

CHK v1.20 Win32 Portable, SHA1: F61F109D4CBBD030A67D48CF929DC706C1FAA450

CHK v1.20 Win64 Portable, SHA1: DB63090F334EC3472BB780AD68667DDADA542A70

Data Compression Software

Selection of the most interesting projects of my own:

Program	Description	Used Algorithm(s)	Release Date	User Interface
BIM v0.02	High-performance lossless image compressor. Currently BIM supports 24-bit BMP, TGA and PNM/PPM images	LPC+CM	2013-02-05	Command line
BCM v0.12	The ultimate BWT-based file compressor	BWT+CM	2010-10-31	Command line
PPMX v0.08	Original, small and fast PPM implementation	PPM	2012-01-01	Command line
CRUSH v0.01	Powerful LZ featuring extremely fast decompression	LZ77	2011-05-17	Command line
PIM v2.90	Fully-featured file archiver with smart algorithm selection. In addition, PIM supports extraction for ZIP, JAR, QUAKE PAK, PK3, PK4, QUAD and BALZ archives	PPMD, BALZ, BZIP2, preprocessing	2009-01-01	Graphic
PIMPLE v1.43	Quite old, but extremely powerful compressor with many options to play with	LZP+CM, preprocessing	2006-04-24	Graphic

Source Forge

My Open Source projects at sourceforge.net:

BALZ file compressor (Public Domain, 2008)
QUAD file compressor (LGPL, 2007)
LZPX file compressor (GPL, 2005)
Also PeaZip file archiver (Supports QUAD/BALZ compression)

Benchmarks

Contact

Check out my professional profile and connect with me on LinkedIn: http://lnkd.in/AXRXBf