UTILITY
SHA-256 file checksum
Calculate the SHA-256 fingerprint of a local file for integrity checking.
Tool
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INSTRUCTIONS
Instructions
- 1
Select a local file of up to 100 MB.
- 2
Click Calculate SHA-256.
- 3
Copy or download the hexadecimal checksum.
DETAILS
About this tool
Calculate the SHA-256 fingerprint of a local file for integrity checking.
Uses the browser Web Crypto API and reads up to 100 MB into memory. Best on HTTPS or localhost.