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SHA-256 Generator

Compute a SHA-256 fingerprint of UTF-8 text or file bytes. The result is a 64-character hexadecimal digest.

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How it works

Compute a SHA-256 fingerprint of UTF-8 text or file bytes. The result is a 64-character hexadecimal digest. Enter your values or try the example. Run the action, check the result and copy or download it. Your input remains editable after an error.

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Example

hello → 2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425e73043362938b9824
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When to use this tool

Compare file copies by SHA-256; even a changed newline changes the hash.

Supported formats & limits

UTF-8 text or a file up to 20 MiB. A checksum identifies bytes; it does not prove who created a file. Whitespace and line endings change the digest.

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Good to know

What happens when I change the input?

An edited input needs a new result. Run the action again; previous download links are removed so you cannot mistake an old output for the current one.

Are my files uploaded?

Your files and pasted content are processed in temporary browser memory and are not uploaded for processing. App preferences store only tool IDs, language and theme. There are no accounts, ads or automatic error reports. Closing the page discards your workspace; download results you want to keep. Production pages use Google Analytics for visit statistics; see the Privacy page for details.