PGP Sign Message

Digitally sign text messages using your PGP/GPG private key to prove authenticity and integrity.

How It Works

1

Import Your Private Key

Upload or paste your PGP private key and enter the passphrase to unlock it for signing.

2

Enter Message to Sign

Type or paste the text message you want to digitally sign to prove its authenticity.

3

Generate Signed Message

The tool creates a digital signature using your private key and outputs the signed message for sharing.

Frequently Asked Questions

What is a digital signature?

A digital signature proves that a message came from you and hasn't been tampered with. It's created with your private key and can be verified by anyone with your public key.

Why should I sign my messages?

Signing provides authenticity (proves you sent it) and integrity (proves it wasn't modified). It's especially important for legal documents, contracts, and sensitive communications.

Can others read my signed messages?

Yes, signing doesn't encrypt the message - it just adds a signature. Anyone can read the message and verify the signature using your public key.

What's the difference between signing and encrypting?

Signing proves authenticity and integrity but doesn't hide content. Encryption hides content but doesn't prove who sent it. You can do both for maximum security.

Is my private key safe during signing?

Yes, all signing happens locally in your browser. Your private key and passphrase are never transmitted to external servers.

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