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Publish a Checksum with Your File

Generate a checksum to list alongside a file you distribute.

No login requiredFiles stay private

Drop files here, or click to browse

Any file no file size limit

Browse files

Your files never leave your device. All processing happens locally in your browser.

Compute SHA-256, SHA-1, SHA-384, and SHA-512 checksums of any file β€” and verify a download against its published hash. The file is read locally and never uploaded.

publishing tips

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List the SHA-256 next to your download so others can verify what they got is genuine.

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Copy the hash with one click and paste it into your release notes.

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Checksums add a layer of trust without any infrastructure.

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Computed locally in your browser.

How It Works

1
Choose File
Drop your file into the tool above. It stays entirely on your device β€” nothing is sent to any server.
2
Process
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Download
Get your result instantly. Nothing is stored after you leave the page β€” complete privacy.

Why use ours?

βœ“Completely free β€” no hidden costs, ever
βœ“No account, email, or login required
βœ“Files never leave your device
βœ“No file size limits whatsoever
βœ“No watermarks on any output

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Frequently Asked Questions