Free Online SHA-256 and SHA-512 File Checksum Validator

Securely verify file integrity directly in your browser. Files never leave your device.

Client-side only processing

Drop your file here

Or click to browse from your computer

Local Only

Processing happens entirely on your machine. Your file data is never transmitted to any server.

Fast & Accurate

Utilizes the standard Web Crypto API for industry-standard cryptographic performance.

Multi-Algo

Switch between SHA-256 for standard checks or SHA-512 for higher collision resistance.

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