100% FREE

File Hash

Calculate SHA-256 hashes locally. No account or upload required.

Browser-only processing

Drag and drop here, or click to browse your device. File content stays in your browser.

Select files

No files selected yet

Private by design

Your files are processed locally. No file uploads, no server file storage, and no database.

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HOW TO USE THE TOOL

How to file hash online

Calculate SHA-256 digests for files locally.

Step 1Open the free File Hash tool and select your files.
Step 2Select one or more files, calculate hashes and download a SHA256SUMS text file.
Step 3Download the result and review it before sharing.

Compare hashes to verify that copies have matching bytes.

Each file must be under the configured 50 MB hashing limit in this version.

Is File Hash free on FilePremise?

Yes. This file hash tool is available at no cost and needs no account.

Do files get uploaded to FilePremise?

No. This version processes selected files in your browser. File contents are not sent to FilePremise servers.

Bundle files into a ZIP archive.

Extract a ZIP and download its contents.

Rename many files and download a ZIP.