Developer
SSL Checker
- Browser-based
- No signup
External API-powered
Enter a domain to list certificate transparency entries with issuer and validity dates using the crt.sh public database.
How to use this tool
1. Enter the domain, IP, ZIP code, or URL requested by SSL Checker. 2. Click the lookup or check button. 3. Wait for the external service response. 4. Review the formatted results table or details. 5. Copy values you need—do not query sensitive internal hosts. This tool calls an external service—see the privacy note for what is sent.
Worked example
Example: paste a small sample input into SSL Checker, run the transform or validation, and compare the output with the before text—fix any syntax errors reported before copying.
How it works
Enter a domain to search certificate transparency logs via crt.sh for issued SSL/TLS certificates. The domain you enter is sent to that service.
Limitations
Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.
Privacy and file handling
This tool sends requests to a public third-party API from your browser. Results may be incomplete or rate-limited.
Important notice
Results are based on the inputs you provide and may not cover every edge case. This tool is for general use and is not professional advice.
Frequently asked questions
Is the SSL Checker free to use?
Yes. Utilnivo tools are free to use and do not require an account.
Are my inputs stored?
Utilnivo does not require an account. See the privacy note on this page for how your data is processed for this tool.
How do I get started with SSL Checker?
Open the tool on this page, enter your inputs, and use the on-screen controls. No account is required.
Part of these workflows
This tool is one step in a longer job. Jump straight to your step or open the full workflow guide.
Related tools
Related pages
- Network tools — compare developer tools and read FAQs
- Debug a site before launch — step-by-step workflow
- Browse all free online tools on Utilnivo
- Explore more developer tools on Utilnivo
- WHOIS Lookup — Look up domain registration details via RDAP.
- DNS Lookup — Look up DNS records for a domain.
- HTTP Header Checker — Inspect HTTP response headers for a URL.
- JSON Formatter — Format, minify, and validate JSON with optional key sorting.
Page last reviewed: