Best Data Integrity Products in 2025

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

AxCrypt - Password Protect Files With Strong Encryption. AxCrypt is the leading open source file encryption software for Windows.

Key Axcrypt features:

Strong Encryption User-Friendly Interface Cloud Storage Integration Key Sharing

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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

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

fHash - a file hash calculator for Windows and macOS.

Key fHash features:

Open Source Cross-Platform Comprehensive Documentation Multiple Hash Algorithms

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

Windows Context Menu Tools only using Windows 10-11 built-in features.

Key Windows Context Menu Tools features:

User-Friendly Interface Customization Open Source Enhanced Productivity

A GTK+ utility for computing message digests or checksums.

Key GtkHash features:

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

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

MultiHasher is a freeware file hash calculator. No Spyware! No Adware! No Viruses! 100% Freeware!

Key MultiHasher features:

Multiple Hash Algorithms User-Friendly Interface Batch Processing Portable Version

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

It supports many types of hashes, including CRC (any), HAVAL, MD5, MD6, SHA-2, SHA-3, Tiger...

Key Hash Generator and Validation Tool features:

User-Friendly Interface Multiple Hash Algorithms Validation Functionality Lightweight

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