HashMyFiles

Name: HashMyFiles
Author: NirSoft

A small Windows utility that calculates MD5, SHA-1, CRC32 and SHA-2 hashes of files and folders.

By NirSoft

FreeProprietaryWindows Command line

Official websitenirsoft.net

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Alternatives

HasherA Windows utility for calculating checksums and comparing files to verify their integrity.
CollisionCollision is a small open-source GNOME app on Linux for checking file hashes, with a native interface but fewer options than HashMyFiles.
RapidCRC UnicodeRapidCRC Unicode is open source under GPL-2.0, hashes with multiple threads and creates and verifies SFV and checksum files through an Explorer shell extension.
CHK Hash ToolCHK Hash Tool is also portable freeware for Windows and adds BLAKE3, xxHash3, a duplicate finder and Shannon entropy, though it lacks a documented command-line mode.
CalHashCalHash is free macOS software that calculates and compares a single file's checksum, with each build tied to one macOS version and the current build requiring Apple silicon.
GtkHashGtkHash runs on Linux instead of Windows, is open source, and offers a graphical checksum tool supporting MD5, SHA2, SHA3 and BLAKE2.

See all alternatives

About HashMyFiles

HashMyFiles calculates MD5, SHA1, CRC32, SHA-256, SHA-384 and SHA-512 hashes for files and whole folders. Files can be added by menu, drag and drop or an Explorer context menu entry, and hashes can be copied to the clipboard or saved to text, HTML, XML or CSV. It can also open a file's hash on the VirusTotal website.

Command-line options hash files, folders or wildcards and can write results to stdout. It runs on Windows 2000 to Windows 11, with a 64-bit build and a non-Unicode version for Windows 98.

Strengths

Six hash types including SHA-256 and SHA-512
Explorer context menu integration
Command-line hashing with output to stdout
Portable with 32-bit and 64-bit builds

Limitations

Explorer context menu can open several windows when used on multiple files
Windows only

Details

Pricing: FreeFreeware from NirSoft with no paid tier.
License: Proprietary (Freeware)
Developer: NirSoft
Platforms: Windows, Command line
How it runs: Downloadable app
Account: Not required
Works offline: Yes
Best suited for: Verifying downloads and comparing files by checksum on Windows
Categories: System utilities, Security tools
Last verified: October 8, 2026
Added: October 8, 2026
Sources: nirsoft.net/utils/hash_my_files.html

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