CHK Checksum Utility Alternatives

File-integrity verification with CRC-32, MD5, SHA-1, SHA-2 and SHA-3, integrated into Windows...

HashMyFiles is small utility that allows you to calculate the MD5 and SHA1 hashes of one or more files in your system.

The fastest way to send files over the internet

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RapidCRC is an open source CRC/MD5/SHA hashing program.

A GTK+ utility for computing message digests or checksums.

Md5Checker is a free, faster, lightweight and easy-to-use tool to manage, calculate and verify MD5 checksum of multiple files/folders.

SFV Checker Ensure your multi-volume file archives are complete and accurate!

checksum is a no-nonsense BLAKE2/SHA1/MD5 hashing tool for Windows.

Open Source

OpenHashTab is a shell extension for conveniently calculating and checking file hashes from file properties.

Jacksum is a free, open source, cross-platform, feature-rich, multi-threaded command line tool for calculating hash values, verifying data integrity, finding files by their fingerprints, and finding algorithms to hash values. 489 hash functions!

Open Source

QuickSFV integrates into the Windows Explorer shell and makes it very easy to verify files.

fHash - a file hash calculator for Windows and macOS.

GUI frontend for fsum – a hash calculator supporting a ton of algorithms.

Features: -Multi-language support (currently English and German) -Supports SFV, MD5, and SHA-1