DevSecOps
SSL Certificate Expiry Checker
Paste a list of domains with days-remaining values to classify expiry risk in bulk. Returns OK, WARNING (<30 days), CRITICAL (<7 days), or EXPIRED for each entry. Designed for triage of cert inventory exports, not live certificate checking.
Calculations run locally in your browserTool
About this tool
SSL Certificate Expiry Checker
The SSL Certificate Expiry Checker classifies cert expiry risk in bulk from exported domain and days-remaining data, flagging CRITICAL at 7 days and WARNING at 30 days.
• Triage an exported cert inventory from a monitoring tool
• Identify which certificates need immediate renewal
• Generate a cert expiry risk report for a compliance audit
• Check cert status from a Datadog or Nagios export
Affiliate disclosure
Infrastructure and endpoint visibility. NinjaOne provides unified IT operations monitoring with alerting across your stack.
View certificate monitoring options
External site · Independent provider · We may receive a commission · Not a recommendation
FAQ
What does this tool tell you?
The SSL Certificate Expiry Checker classifies cert expiry risk in bulk from exported domain and days-remaining data, flagging CRITICAL at 7 days and WARNING at 30 days.
What affects the result most?
Days remaining threshold: CRITICAL <7, WARNING <30, OK >30. Expired: days <= 0. Input format: domain|days_remaining.
How should I use the result?
The classification or comparison reflects the criteria built into the tool. If your situation has unusual constraints (tight budget, legacy systems, regulatory requirements), the tool is a starting point — your local context will often shift the right answer.
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