Best Data Integrity Products in 2025

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

Key HashCheck Shell Extension features:

Ease of Use Supports Multiple Hash Algorithms Lightweight Open Source

The fastest way to send files over the internet.

Key Fileport features:

User-Friendly Interface Multi-Device Access Secure File Transfers Fast Upload and Download Speeds

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

Key OpenHashTab features:

Integration Support for Multiple Algorithms User-Friendly Interface Open Source

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

Key RapidCRC Unicode features:

Unicode Support Multiple Hash Algorithms Batch Processing Verification Against SFV Files

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

Key HashMyFiles features:

Lightweight User-Friendly Interface Multiple Hash Algorithms Integration with Windows Explorer

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

Key QuickSFV features:

Simple and User-Friendly Lightweight Fast Verification Compatibility

A GTK+ utility for computing message digests or checksums.

Key GtkHash features:

Multi-Algorithm Support User-Friendly Interface Cross-Platform Compatibility Open Source

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

Key Md5Checker features:

Ease of Use Lightweight Quick Verification Freeware

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

Key checksum features:

User-Friendly Interface Multiple Checksum Algorithms Integration with Windows Explorer Batch Processing

Open Source

CHK is an advanced checksum utility — a simple application designed to help you verify the...

Key CHK Checksum Utility features:

User-Friendly Interface Support for Multiple Algorithms Batch Processing Cross-Platform Availability

fHash - a file hash calculator for Windows and macOS.

Key fHash features:

Open Source Cross-Platform Comprehensive Documentation Multiple Hash Algorithms

HashTools is an application that calculates hashes for given files.

Key HashTools features:

Ease of Use Multiple Hashing Algorithms Integration with Windows Batch Hashing Capability

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

Key SFV Checker features:

File Verification Batch Processing User-Friendly Interface Support for Multiple Formats

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!

Key Jacksum features:

algorithms supported algorithm types encodings for hash representation predefined styles to read and write files that contain hash values

Open Source