# Certbot

Certbot is a Certificate Lifecycle Management product. It runs on-premises. Pricing is free.

Certbot is a free tool for automatically enabling HTTPS on websites using Let's Encrypt certificates.

Checked October 2026.

## What is Certbot?

Certbot is a free, open-source software tool for automatically using Let's Encrypt certificates on manually-administrated websites to enable HTTPS. Certbot is run from a command-line interface, usually on a Unix-like server, and requires comfort with the command line.

Tags: TLS, SSL, HTTPS

## Where it fits in your security program (NIST CSF 2.0)

- [Protect](https://cybersectools.com/guides/building-protect-program-small-team): helps you prevent attacks and keep data safe.

## Quick facts

- Category: [IAM](https://cybersectools.com/categories/iam) · [Certificate Lifecycle Management](https://cybersectools.com/categories/clm)
- Deployment: On-Premises
- Company size fit: Startup, SMB, Mid-Market, Enterprise
- Pricing model: Free
- Website: certbot.eff.org

## Where it ranks

No shortlist covers this product's category yet. The closest is [Best IAM Solutions for Business](https://cybersectools.com/shortlists/best-iam-solutions).

## Certbot FAQ

### What is Certbot?

Certbot is a product in the Certificate Lifecycle Management category. It covers TLS, SSL and HTTPS.

### What is the pricing for Certbot?

Certbot is free. Download and setup instructions are at https://certbot.eff.org/.

### What are alternatives to Certbot?

Alternatives to Certbot listed on CybersecTools:

1. [Alibaba Cloud Certificate Management Service](https://cybersectools.com/tools/alibaba-cloud-container-service-for-kubernetes-ack) - Alibaba Cloud's full lifecycle SSL certificate management platform for issuance and (Commercial)
2. [Certificado SSL](https://cybersectools.com/tools/certificado-ssl) - SSL/TLS certificate provider offering DV, OV, EV, and code signing certs (Commercial)
3. [GeoTrust SSL/TLS Certificates](https://cybersectools.com/tools/geotrust-ssltls-certificates) - Commercial SSL/TLS certificates with DV, OV, and EV validation tiers. (Commercial)
4. [DigiCert CertCentral](https://cybersectools.com/tools/digicert-certcentral) - Platform for managing 20+ types of publicly trusted digital certificates. (Commercial)
5. [GlobalSign Dedicated Intermediate CAs](https://cybersectools.com/tools/globalsign-dedicated-intermediate-cas) - Managed hosted intermediate CAs & private PKI hierarchies branded to the customer. (Commercial)

Compare all Certbot alternatives at [https://cybersectools.com/alternatives/certbot](https://cybersectools.com/alternatives/certbot)

### What deployment and organization size does Certbot fit?

Certbot is available as on-premises software. It is listed for startups, small businesses, mid-market companies and enterprises. It is free.

## Compare Certbot with similar solutions

- [Certbot vs Alibaba Cloud Certificate Management Service](https://cybersectools.com/compare/alibaba-cloud-container-service-for-kubernetes-ack-vs-certbot)
- [Certbot vs Certificado SSL](https://cybersectools.com/compare/certbot-vs-certificado-ssl)
- [Certbot vs GeoTrust SSL/TLS Certificates](https://cybersectools.com/compare/certbot-vs-geotrust-ssltls-certificates)

All alternatives to Certbot: [/alternatives/certbot](https://cybersectools.com/alternatives/certbot)

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Source: https://cybersectools.com/tools/certbot

For AI agents: every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md, and any compare page has a Markdown copy too (add .md to its URL).

More on Certbot: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=product-md