Free File Tools

File Hash Checksum

Calculate file hash checksums online free using browser crypto. Generate SHA-1, SHA-256, SHA-384 or SHA-512 hashes locally.

Client-side

Checksum

Algorithm

SHA-256

Source

No file selected

Status

Waiting

Output will appear here.

File Tools

About File Hash Checksum

Calculate file hash checksums online free using browser crypto. Generate SHA-1, SHA-256, SHA-384 or SHA-512 hashes locally. The work happens in your browser, so your input stays on your device while you prepare the result.

Verifying downloaded files against published SHA checksums.

Creating checksums for files before sharing or archiving them.

Practical notes

Browser crypto supports modern SHA algorithms but not MD5.
Very large files may take time because the browser reads them before hashing.

Related tools

ZIP Creator and Extractor

Common questions

Does this tool upload my data?

No. The tool runs in your browser and keeps the selected content on your device.

Is this tool free?

Yes. It is free to use in the browser and does not require an account.