File Checksum & Hash Calculator
File → Hash Checksums
Calculate SHA-256, SHA-1, and SHA-512 cryptographic file checksums client-side for integrity verification.
About this tool
About File Checksum & Hash Calculator
File Checksum & Hash Calculator is a free, browser-based tool that lets you calculate SHA-256, SHA-1, and SHA-512 cryptographic file checksums client-side for integrity verification. It supports File → Hash Checksums. Everything runs locally on your device, so your files are never uploaded to a server. There's no sign-up, no watermark, and no limit — just open File Checksum & Hash Calculator, add your input, and get results instantly.
How to use File Checksum & Hash Calculator
1
Upload File
Select file for hash calculation.
2
Copy Checksum
Copy SHA-256, SHA-1, or SHA-512 hashes.
Key features
Local File Integrity Check
Verifies file checksum hashes locally with WebCrypto.
100% Private
File Checksum & Hash Calculator processes your data locally in the browser. Nothing is uploaded, tracked, or stored u2014 your files never leave your device.
Completely Free
Use File Checksum & Hash Calculator as much as you want with no fees, no watermarks, and no hidden limits.
No Installation
File Checksum & Hash Calculator runs in any modern browser. There's nothing to download, install, or configure.
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