Hash Toolkit · Client-side security

SHA-256 File Hash Checker

Upload any file to compute its SHA-256 checksum locally. Confirm downloads, compare digests, and track integrity without sending data over the network. Switch to the text hash tool →

File SHA-256 Hash

Stream files securely in the browser without uploading anything. SHA-256 provides strong integrity guarantees for sensitive workflows.

Choose a file

Upload a file

Click to browse or drag & drop files here

Files never leave your device.

File SHA-256 hash

Hash validation

Select a file and enter a target hash to validate.

Why SHA-256?

SHA-256 is part of the SHA-2 family and offers strong cryptographic guarantees. It is the standard choice for firmware distribution, package management, and digital signature schemes.

CipherTools performs the hashing locally — no data leaves your browser. Refresh or close the page to clear all references from memory.