Hash Checker - Free Online Tool | PivaBox

Compute SHA-256 hashes and compare against expected values for file verification

How to Use Hash Checker

1. Enter the text you want to hash in the input area
2. Optionally enter an expected hash value to compare against
3. The tool computes the SHA-256 hash and shows whether it matches the expected value

Frequently Asked Questions

Is Hash Checker free?

Yes, PivaBox Hash Checker is completely free to use. All hashing is done in your browser.

Are my data uploaded to a server?

No. All hashing is done locally in your browser using the Web Crypto API (SubtleCrypto). Your data never leaves your device.

What hash algorithm does it use?

The tool uses SHA-256 (Secure Hash Algorithm 256-bit), which is the most commonly used hash function for file verification, digital signatures, and data integrity checking. It is considered cryptographically secure for verification purposes and is widely supported in all modern browsers.