2of3

byEnte

Any 2 cards recover it

Enter a secret.
Get 3 cards.

Turn a recovery key, password, or other secret into 3 cards you can keep in different places.

Your secret never leaves your browser.

0/222

Includes an offline recovery page.

3 recovery cards

Each card is harmless on its own. Print, save, or share them separately.

Card 1

2of3.ente.io

Today

Enter a secret to generate card 1.

Card 2

2of3.ente.io

Today

Enter a secret to generate card 2.

Card 3

2of3.ente.io

Today

Enter a secret to generate card 3.

Recover

Use any 2 cards to recover

Upload two card images, or paste their codes.

Card A

Drop a saved card image here, or paste a copied code.

Card B

Drop a saved card image here, or paste a copied code.

Help

Why & What

Use cases

Scenario

Legacy account recovery

You want a spouse, adult child, or executor to recover something important if you are not around to explain it. One card can stay with your documents, one in a safe place at home, and one with a trusted person. Any two are enough when the time comes.

Scenario

Saving 'root' credentials

You have one break-glass credential that matters a lot: a root password, a production recovery key, or the master secret behind your setup. 2of3 lets you avoid the two bad outcomes at once: one lost copy that locks you out, or one stolen copy that gives everything away.

Scenario

Family emergency pack

Some secrets are only needed during stressful moments: a password manager emergency kit, a wallet recovery phrase, or the one recovery code your household cannot afford to lose. Splitting it across three places means recovery stays possible even when one place fails.

FAQ

Q&A

2of3

What is 2of3, exactly?

It turns one secret into three recovery cards. Any two cards can bring the secret back. One card by itself is not enough.

Q&A

2of3

When is this useful?

Use it for something important that feels risky to keep in one place: an Ente recovery key, a password manager master password, a wallet recovery phrase, or another recovery code you do not want to lose.

Q&A

2of3

Why not keep the secret in one note?

A single note is a single point of failure. If that one place is lost, stolen, or forgotten, recovery becomes hard. 2of3 lets you spread the risk without making recovery too difficult.

Q&A

2of3

Where should the cards go?

Keep the three cards in different safe places. Home, a safe, a trusted family member, or a document locker are all reasonable options. The important part is separation.

Q&A

2of3

Do I need all three cards later?

No. Any two are enough. The third card is there so one missing card does not lock you out.

Q&A

2of3

Can one card reveal my secret?

No. A single card cannot recover the original secret.

Q&A

2of3

How do I recover later?

Open 2of3 again, or use the offline recovery page that downloads with the cards. Upload any two card images, or paste their codes, and the secret appears on your device.

Q&A

2of3

Does this send my secret to Ente?

No. Your secret is split and recovered in your browser. The downloaded recovery page also works fully offline.

Q&A

2of3

What if 2of3.ente.io is unavailable?

A fully offline HTML recovery page is included when you use "Download all cards". Open that file locally, add any two matching cards, and recover without needing the site. 2of3 is also open source, so the format is inspectable and recovery is not locked to one hosted service.

Q&A

2of3

What if I need to change the secret?

Treat it as a new set. Make three fresh cards and replace the old ones together. Do not mix cards from different IDs.

Q&A

2of3

Should I print the cards, download them, or both?

Either is fine. Printed cards are easy to store offline. Downloaded images are easier to duplicate carefully. Many people will want both.

Q&A

2of3

All this sounds magical, how does it work?

It uses Shamir secret sharing. Your secret is split into three shares in a way where mathematically any two parts reconstruct it while one alone reveals nothing. Think of it like a lock which needs 2 of 3 keys to open.

Q&A

2of3

Should I test recovery before storing the cards?

Yes. Before you put the cards away, try recovering the secret once with any two of them. It is the quickest way to catch a bad print, a saving mistake, or a card from the wrong set.

Q&A

2of3

Is the source code open?

Yes! 2of3 is part of Ente's open source repo.