Hash/Check

What is Hash/Check?

Hash/Check is a macOS utility for verifying downloaded files by comparing their checksums. It helps users confirm that a file matches the hash published by a website or software distributor before opening or installing it. The app can calculate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes for a file, making it useful for software downloads, disk images, archives, and other files where integrity matters. It supports drag and drop, automatic clipboard matching, Finder Quick Actions, and an optional Downloads-folder monitor for faster checks during everyday use. Hash/Check is aimed at Mac users who want a simpler alternative to running hash commands in Terminal. It is published by Ciretose and distributed for Mac through the App Store and the developer's website.

Key features

• Calculate MD5, SHA-1, SHA-256, SHA-384, and SHA-512 hashes for files
• Compare a copied checksum automatically against the selected file
• Drag and drop files into the app for quick verification
• Use Finder Quick Actions to hash files from the right-click menu
• Monitor the Downloads folder to check newly downloaded files faster
• Access quick hash checking from the menu bar

Safety overview

Status: Safe

Hash/Check is a file verification utility, so reading the files you choose to check is a normal part of how it works. Features such as Finder Quick Actions, clipboard matching, or optional Downloads monitoring are consistent with its purpose and mainly affect convenience, not system safety. As with any checksum tool, the result only helps if you compare against a trusted hash from the original source.

Recommendation: Keep Hash/Check if you regularly verify software downloads, disk images, or archives before opening them. If you never use checksum verification, you can remove it without affecting macOS beyond losing its file-hash and quick-checking features.

Common paths

• /Applications/Hash/Check.app

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