Is Shamir's Secret Sharing free to use?

Yes, Shamir's Secret Sharing on SarmoTools is completely free. All processing happens in your browser — no sign-up, no data collection, no server uploads.

Shamir's Secret Sharing Tool

Split a sensitive secret (like a master password or crypto key) into multiple parts. You will need a specified threshold of these parts to magically reconstruct the original secret.

Split a Secret

The Secret

Total Shares (N)

Threshold (M)

For the above configuration, you divide the secret into 5 shares, but you only need 3 to recover it.

Recover Secret

Paste the required threshold of shares below. Put each share on a new line.

Shares Input

Recovered Secret

What is Shamir's Secret Sharing?

Free offline Shamir's Secret Sharing tool. Split a sensitive secret password or phrase into multiple parts locally in your browser.

How to use this tool?

Our Shamir's Secret Sharing works entirely in your browser. All processing is done client-side, meaning your data never leaves your computer. Simply input your content, and the tool will provide instant results with premium accuracy.

Key Features

100% Private: Data stays in your browser.
Lightning Fast: Instant results as you type.
Zero Cost: Free to use forever.