🔒 Privacy: Files never leave your browser
Evidence Hash Calculator
Calculate forensic hashes for chain of custody documentation. All processing happens locally — no files are uploaded.
File Hash
Text / String Hash
Verify Hash
Generate Report
📁 File Hash Calculator
🔒 Your file never leaves your device. Hashing is performed entirely in your browser using the Web Crypto API. No data is transmitted to any server.
Drag and drop a file here, or click to browse
Works with any file type — executables, disk images, documents, scripts
📝 String / Text Hash
Input text or hex string
Calculate Hashes
✅ Hash Verification
Upload a file and paste the known-good hash to verify integrity. Essential for chain of custody and confirming forensic copies match originals.
Click to select file to verify
The file will be hashed and compared against your reference hash
📄 Chain of Custody Hash Report
Generate a formatted hash report for chain of custody documentation. Upload a file to populate the report.
Click to select evidence file
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