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All tools / Password & security

Aisle 11

Free

Let's Encrypt

Let's Encrypt says it is a free, automated, open certificate authority. You get certificates through the ACME protocol, not a checkout page.

Open Let's Encrypt

What is actually free

Free automated TLS certificates via the ACME protocol.

Pricing model: Free. An account is part of using it. We are not claiming anything about a credit card unless the quote says so.

  • You need ACME client software
  • This is certificates, not a password vault

From their page

Let's Encrypt is a free, automated, and open Certificate Authority. Let's Encrypt issues certificates through an automated API based on the ACME protocol.

Source. Checked October 14, 2026.

Who it is for

A site that needs HTTPS and can run an ACME client.

Upsides

  • Free is the first adjective.
  • A nonprofit runs it, and the page says so.

Limits

  • It will not store passwords.
  • Someone still has to install and renew the certificate.

Alternatives in this directory

  • Cloudflare — A $0 plan for DNS, CDN, SSL, and basic firewall. Not a password manager.
  • Proton Pass — A $0 password manager with unlimited logins and no card.

Last verified October 14, 2026. This is not a user review and not a ranking score.