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File Hash

Calculate SHA-256, SHA-384 or SHA-512 in your browser.

Local processing · files are not uploaded for processing
Practical guide

How to use File Hash

Calculate SHA-256, SHA-384 or SHA-512 in your browser. This page also explains the workflow, practical use cases and privacy behavior so you can decide whether the tool fits your task before processing anything.

How it works

  1. Choose the source file or files from your device.
  2. Adjust the available options for this tool.
  3. Run the task locally, then download or copy the result.

Common use cases

  • Verify a downloaded file against a published checksum.
  • Calculate SHA-256, SHA-384 or SHA-512 without uploading the file.
Local processing & privacy

The core operation runs locally in your browser; the page does not upload your source file to a remote conversion server just to perform this task.

Frequently asked questions

Does this tool upload my file?

The core operation runs locally in your browser; the page does not upload your source file to a remote conversion server just to perform this task.

When is File Hash useful?

Verify a downloaded file against a published checksum. Calculate SHA-256, SHA-384 or SHA-512 without uploading the file.

What should I check before processing?

Check that the input, options and expected output match your needs; keep the original when the file is important.

The same tool across your devices

Web, iPhone/iPad, Mac, Android and Windows share the same tool identity; handoff links never include your files.