Certbot

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Certbot is ranked #10 of 31 in certificate management software on Inferse. It runs on Linux, macOS, Self-hosted, Windows. There is a free plan.

Compared on certificate management software

Free plan: Yescertbot.eff.org
Certificate discovery: Nocertbot.eff.org
Automatic renewal: Yescertbot.eff.org
Deployment automation: Yescertbot.eff.org
Revocation workflows: Yescertbot.eff.org
Certificate types: tlscertbot.eff.org
CA integrations: Yescertbot.eff.org

Facts

Purpose: Certbot automatically uses Let’s Encrypt certificates on manually administered websites to enable HTTPS.certbot.eff.org · 3 Oct 2026
Open source: Certbot is free, open source software.certbot.eff.org · 3 Oct 2026
Certificate renewal: Certbot renews certificates when less than one-third of their lifetime remains, or half their lifetime for certificates lasting 10 days or less.certbot.eff.org · 3 Oct 2026
Web server integration: The site names Apache and Nginx integrations and also describes webroot and standalone usage methods.certbot.eff.org · 3 Oct 2026
DNS validation: DNS validation does not require Let’s Encrypt to make an inbound connection to the server, so an existing HTTP site or open port 80 is not required for this method.certbot.eff.org · 3 Oct 2026
Command line: Certbot runs from a command-line interface, usually on a Unix-like server, and most users run it on a remote server over SSH.certbot.eff.org · 3 Oct 2026
Intended users: Certbot may suit people comfortable with the command line who administer a website on a dedicated server, VPS, or cloud-hosted server.certbot.eff.org · 3 Oct 2026
Shared hosting limitation: Certbot is less suitable for most shared hosting environments, where asking the provider to set up HTTPS is usually easier and more reliable.certbot.eff.org · 3 Oct 2026
HTTPS automation: Certbot can help obtain a certificate from a certificate authority and install it onto a web server automatically in many cases.certbot.eff.org · 3 Oct 2026
Support: The site points users to project documentation and the Let’s Encrypt community forum for help.certbot.eff.org · 3 Oct 2026
Security purpose: The project says it aims to help make the internet more structurally private, safe, and protected against censorship through HTTPS adoption.certbot.eff.org · 3 Oct 2026
Maker: Certbot is made by the Electronic Frontier Foundation, which the site describes as a 501(c)(3) nonprofit based in San Francisco, California.certbot.eff.org · 3 Oct 2026