File Hash Comparison Tool - Compare Files & Folders by Hash
Compare files and folders using SHA-256 cryptographic hashing. Maintains folder hierarchy and visually indicates identical and different files. Completely client-side and private - your files never leave your browser.
What is File Hash Comparison?
File hash comparison uses cryptographic hash functions (SHA-256) to verify if files are identical. Even a single byte difference results in completely different hashes, making it perfect for detecting file changes.
How to Use
Upload files or folders on both sides (Source A and Source B), then click Compare. The tool will calculate SHA-256 hashes and show you which files are identical, different, or unique to one side. Perfect for verifying backups, detecting duplicates, or comparing folder structures.
File Hash Comparison Tool
Compare files and folders using SHA-256 hashing. All processing happens in your browser - completely private and secure.
Source A
Drag & drop files or folders here
Chrome/Edge recommended for folder selection
Source B
Drag & drop files or folders here
Chrome/Edge recommended for folder selection
📝 Note: Folder upload requires Chrome or Edge browser. Other browsers can upload individual files only. All processing happens in your browser - your files never leave your device.
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Privacy Notice
This tool processes all data locally in your browser. No information is sent to our servers or any third parties. Your calculations and data remain completely private.