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Services

Let's Encrypt

Let's Encrypt provides free, automated SSL/TLS certificates for securing websites and web applications.

When to Use

Use Let's Encrypt when you need free, automated SSL/TLS certificates for public domains and want to automate renewals.

When Not to Use

Avoid if you require extended validation, organization validation, or need certificates for internal or non-public domains.

Provider

Let's Encrypt

Category

Security

Pricing

free

Free Tier Type

Always free

Overage Risk

None

Requires Card

No

Difficulty

beginner

Production Readiness

Production ready

Tags

miscsecurity

Audiences

studentindiestartupteamoss

Best For

  • public websites
  • web apps
  • open source projects
  • small businesses

Avoid If

  • need EV/OV certificates
  • internal-only domains
  • require long-term certificates

Free Tier Details

Unlimited free SSL/TLS certificates for domain validation.

  • 50 certificates per registered domain per week
  • 5 duplicate certificates per week
  • 90-day certificate validity

Quickstart

  1. Install Certbot or another ACME client on your server.
  2. Run the client to request a certificate for your domain.
  3. Complete domain validation via HTTP or DNS challenge.
  4. Install the issued certificate on your web server.
  5. Set up automatic renewal for ongoing security.

Let's Encrypt offers free, automated SSL/TLS certificates for securing websites, with easy integration and automated renewals for most web servers.