Weekend Projects Easy 5,400/mo

SSL Certificate Monitor

Track SSL expiry dates and get alerts before certificates expire. Never get the 'Your connection is not private' error that kills trust and conversions.

DevOpsMonitoring
MRR Potential
$3K–$10K
Time to MVP
1 weekend
Search Volume
5,400/mo
Market Size
$400M

The Problem

SSL certificates expire silently — causing browser security warnings that destroy trust. Let's Encrypt auto-renewal fails without anyone noticing. Organizations manage 50+ certificates across domains. No simple dashboard shows all certificates and their expiry dates. Expired SSL = 'Not Secure' warning = lost customers.

The Solution

SSL certificate monitoring dashboard that tracks expiry dates for all your domains, sends alerts 30/14/7 days before expiry, and checks for configuration issues — preventing the dreaded browser security warning.

Target Audience

DevOps engineers managing SSL certificates across domains, agencies managing client websites, and sysadmins responsible for certificate renewals

Key Features

1
Monitor unlimited domains with automatic certificate detection
2
Email and Slack alerts at 30, 14, 7, and 1 day before expiry
3
Certificate chain validation checking for misconfigured intermediates
4
TLS version and cipher suite checking for security compliance
5
Dashboard showing all certificates with expiry timeline
6
API for integrating certificate checks into monitoring pipelines

Market Opportunity

Market Size
$400M — SSL and certificate management
Monthly Searches
5,400/mo
MRR Potential
$3K–$10K
Why Now?

HTTPS is mandatory for all websites. Certificate management complexity grows. Expired SSL destroys user trust instantly. Automated monitoring prevents outages. Simple tools win over complex enterprise solutions.

Revenue Model

Free: 5 domains. Pro: $5/mo (50 domains + Slack). Business: $15/mo (500 domains + API + team). Annual: 20% discount.

Competitive Landscape

UptimeRobot

Uptime monitoring. Free–$7/mo, SSL monitoring is a secondary feature

SSL Labs

SSL testing. Free, one-time check, no monitoring or alerts

KeyChest

Certificate monitoring. Free–$50/mo, decent, limited UX

Manual checking

Visit each site, check cert, forget to check again, discover at 3am when expired

Recommended Tech Stack

Next.jsNode.js TLS libraryCron schedulerSendGridStripePostgreSQL

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