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CHK Hash Tool
Description
CHK is an advanced file hashing and verification tool with a simple interface and a portable, no-install design. Verify file integrity, find duplicates, and compute checksums quickly — with full Unicode and drag-and-drop support.
Main Features
- Verify the integrity of downloaded or transferred files.
- Find and remove duplicate files.
- Supports a wide range of algorithms: CRC-32, MD5, SHA-256, BLAKE3, xxHash3, and more.
- Compute Shannon entropy for any file, useful for spotting compressed or encrypted data.
- Portable: run anywhere, no installation required.
- Free to use.
Downloads
| Program | Size | BLAKE2s-128 |
|---|---|---|
| CHK v6.12 Win64 Portable | 2.21 MB | 0D95E9B28DD78365F2EB9C1B2A60EA83 |
| CHK v6.12 Win32 Portable | 1.49 MB | E730B41D5DCD50906E49CB3F13D81D0B |
| Language Packs (Chinese Simplified, Chinese Traditional, English, French, German, Greek, Hungarian, Italian, Japanese, Korean, Spanish) | 14.2 KB | B3F9F8383BDAC59E47C87AFCABC3B0C8 |
Instructions: Download the ZIP package and extract to a folder of your choice. Launch chk.exe.
Data Compression Software
Selected public tools
| Program | Description | Algorithm(s) | User Interface |
|---|---|---|---|
| BCM v2.03 | Advanced BWT-based file compressor | BWT+CM, preprocessing | Command-line |
| ULZ v1.02 BETA | Fast LZ77-based file compressor | LZ77 | Command-line |
| PPMX v0.09 | Experimental PPM-based file compressor | PPM | Command-line |
| LZPM v0.18 | Asymmetric LZ77-based file compressor with optimal parsing | LZ77+ARI | Command-line |
| SQUID v0.03 | Fast LZP-based file compressor | LZP+ARI | Command-line |
| BIM v0.03 | Lossless image compressor for BMP, TGA and PNM/PPM images | LPC+CM | Command-line |
| PIM v2.90 | Legacy file archiver with compression and preprocessing auto-selection | PPMd, BALZ, bzip2, preprocessing | GUI |
| PIMPLE v1.43 | Legacy file compressor with preprocessing and configurable options | LZP+CM, preprocessing | GUI |
Historical source releases
Benchmarks
Contact
Check out my professional profile and connect with me on LinkedIn: http://lnkd.in/AXRXBf
