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.
Upload a file
Click to browse or drag & drop files here
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.