Automated Let's Encrypt certificate management
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Reviews onSourceForge
1 review trackedThe Bottom Line
Entry price
Free, no paid tier
Biggest pro
Free SSL certificates
Biggest con
Command line focused
TL;DR - Certbot
- Certbot is a free tool for automatically obtaining and renewing Let's Encrypt certificates
- It configures HTTPS on web servers with a single command
- Free and open-source
Pricing: Free forever
Best for: Individuals & startups
What is Certbot?
Certbot gets free SSL certificates from Let's Encrypt and installs them automatically. Run a command, and your website gets HTTPS-no certificate authorities to deal with, no annual renewals to remember.
Plugins handle Apache and Nginx automatically. Renewal runs via cron or systemd. The certificates are legitimate and browser-trusted.
Server administrators who want HTTPS without the traditional certificate hassle use Certbot to automate what used to require vendors and annual fees.
Available on: Windows, macOS, Linux
Pros & Cons
Pros
- Free SSL certificates
- Let's Encrypt official
- Auto-renewal
- Many plugins
- Well documented
Cons
- Command line focused
- Server access needed
- 90-day certs
- Plugin quality varies
- Troubleshooting complex
Ratings Across the Web
5(1 reviews)
Ratings aggregated from independent review platforms. Learn more
Key Features
SSL certificatesLet's EncryptAuto-renewalPlugin systemFreeOpen source
Pricing Plans
Pricing checked Jul 9, 2026
Most Popular
Free
Free
Open source
- Let's Encrypt client
- Auto-renewal
- All platforms
- EFF project
Reviews
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Certbot FAQ
How does Certbot automate website security?
Certbot automates website security by obtaining free SSL certificates from Let's Encrypt and installing them automatically. This process ensures websites use HTTPS without requiring manual intervention for certificate authorities or renewals.
Which teams benefit most from using Certbot?
Server administrators who need to manage HTTPS for their websites without the traditional complexities of certificate vendors and annual fees benefit most from Certbot. It streamlines the process of securing web traffic with legitimate, browser-trusted certificates.
How is Certbot priced?
Certbot is free to use, as it is designed to provide free SSL certificates from Let's Encrypt. There are no paid plans required to utilize its certificate management and automation features.
What kind of limitations should users be aware of when using Certbot?
Users should be aware that Certbot is primarily command-line focused and requires server access for operation. Additionally, while certificates are automatically renewed, they are issued for 90-day periods, and troubleshooting complex issues can sometimes be challenging.
Can Certbot integrate with existing web server setups?
Yes, Certbot can integrate with existing web server setups through its plugins, which automatically handle configurations for popular servers like Apache and Nginx. This allows for seamless installation and renewal of SSL certificates.
How does Certbot compare to a tool like Drata for security compliance?
Certbot focuses specifically on automating the acquisition and management of free SSL certificates for website security, whereas Drata is designed for broader security compliance and continuous monitoring. Certbot addresses the technical implementation of HTTPS, while Drata typically handles policy and audit requirements.
Does Certbot support automatic certificate renewals?
Yes, Certbot supports automatic certificate renewals, which can be configured to run via cron or systemd. This feature ensures that websites maintain continuous HTTPS protection without manual intervention for certificate expiration.
Source: certbot.eff.org