File Hash Generator

Get the SHA-256 hash of any file.

Choose a file to hashSHA-256 is computed on the raw bytes, in your browser

SHA-256 digest

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Your file is read locally and never uploaded — hashing runs on your device.

Free file hash generator. Select a file and compute its SHA-256 hash from the raw bytes using the Web Crypto API — perfect for verifying downloads and checking integrity. Your file is never uploaded.

How to use the File Hash Generator

01Click to choose a file from your device.
02The file is read locally and its SHA-256 hash is computed.
03Compare the hash against a published checksum, or copy it.

Frequently asked questions

Is my file uploaded to a server?

No. The file is read directly in your browser as an ArrayBuffer and hashed with the Web Crypto API. It never leaves your device.

How do I verify a download with this?

Hash the downloaded file here and compare the result to the SHA-256 checksum published by the source. If they match exactly, the file is intact and unmodified.