CHK Hash Tool
Description
CHK is an advanced hash tool — a simple application designed to help you verify the integrity of your files, find duplicates and much more!
Main Features
Verify the integrity of downloaded/transferred files.
Find and get rid of duplicate files on your computer.
Support for all the hashes you'll ever need, including CRC-32, MD5, SHA1, BLAKE3 , xxHash3-64 and much more!
Quick check the Zstandard Compression RatioShannon Entropy of any file.
Simple interface with full Unicode and Drag&Drop support.
It's portable - run anywhere without any installation.
And last but not least - it's FREE!
Downloads
Program Size BLAKE2s-128
CHK v5.70 Win64 Portable (SSE4.2)2.24 MB
0DBD31939257844CB373D8FBF0E3EEC8
CHK v5.70 Win64 Portable (SSE2)2.25 MB
F9726CD11D8E777B6BDF1B07C9F98A63
CHK v5.70 Win32 Portable 1.56 MB
39C2FD990731CB4312B19EF6FDF7A58A
Language Packs (Chinese Simplified, Chinese Traditional, English, French, German, Greek, Hungarian, Italian, Japanese, Korean, Spanish)14 KB
324DE9D8DA10C01AB20294201F39FFAC
Instructions: Download the ZIP package and extract to a folder of your choice. Launch chk.exe .
Data Compression Software
Selection of my proprietary software:
Program Description Used Algorithm(s) Release Date User Interface
BCM v2.03 The ultimate BWT-based file compressor
BWT+CM, preprocessing
2023-02-27
Command line
ULZ v1.02 BETA An ultra-fast LZ77 compressor
LZ77
2021-03-14
Command line
LZPM v0.18 A highly asymmetric LZ77-based file compressor with Optimal Parsing
LZ77+ARI
2020-08-20
Command line
SQUID v0.03 A fast LZP-based file compressor
LZP+ARI
2018-10-03
Command line
PPMX v0.09 Original, small and fast PPM implementation
PPM
2014-03-24
Command line
BIM v0.03 A high performance lossless image compressor. Currently BIM supports 24-bit BMP, TGA and PNM/PPM images
LPC+CM
2013-09-13
Command line
PIM v2.90
A 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
My open source projects:
CRUSH — An LZ77-based file compressor (Public Domain, 2013)BALZ — A ROLZ-based file compressor (Public Domain, 2008)QUAD — A ROLZ-based file compressor (LGPL, 2007)LZPX — An LZP-based file compressor (GPL, 2005)
Benchmarks
Contact
Check out my professional profile and connect with me on LinkedIn: http://lnkd.in/AXRXBf
© 2003—2025 Ilya Muravyov
