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Hash Certificate
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Privacy
Hash + QR Proof Certificate Generator
Create a tamper-evident verification record for a document or data file.
Timezone for local display
Hong Kong (HKT)
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Malaysia (MYT)
United Kingdom (GMT/BST)
Central Europe (CET/CEST)
New York (ET)
Los Angeles (PT)
UTC
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Optional note
Generate Proof Record
This tool calculates a SHA-256 hash of your uploaded file. The file itself is not stored by this MVP; only the hash and metadata are stored for verification.