SSL cert expiry hint
ClientCertificate expiry from pasted openssl output.
About SSL cert expiry hint
Parse notAfter date from pasted PEM metadata text. Processing runs in your browser—Toolcore does not need your paste for the core operation on this page.
Parses pasted logs and suggests CLI steps—does not open outbound connections from Toolcore servers.
How to use
Paste or type in the main field, then read the output below. Use Load example when available, or open the page with ?q= / ?qb= so tickets and agents share the same input.
Nearby workflows on Toolcore
- HTTP fetch test — Send GET/POST and other methods from your browser—see status and body; CORS limits apply. Useful when HTTP, DNS, or TLS debugging continues on a related page.
- URL status checklist — Checklist for interpreting HTTP status codes on a URL. Useful when HTTP, DNS, or TLS debugging continues on a related page.
- HSTS header builder — Draft Strict-Transport-Security with max-age, includeSubDomains, and optional preload—local only. Useful when HTTP, DNS, or TLS debugging continues on a related page.
- URL parser — Split URLs into protocol, host, path, query, and hash—browser URL API; optional https:// assumption; no fetch. Useful when HTTP, DNS, or TLS debugging continues on a related page.
Common use cases
- SSL cert expiry hint for quick local checks without uploading data.
- Copy results into tickets, docs, or classroom notes.
Common mistakes to avoid
Unexpected input shape
See the intro and how-to notes for accepted formats.
FAQ
Is processing local?
Yes—this runs entirely in your browser.
Agent prefill?
Use q or qb for the main text field when supported.
More tools
Related utilities you can open in another tab—mostly client-side.
HTTP fetch test
ClientSend GET/POST and other methods from your browser—see status and body; CORS limits apply.
URL status checklist
ClientChecklist for interpreting HTTP status codes on a URL.
HSTS header builder
ClientDraft Strict-Transport-Security with max-age, includeSubDomains, and optional preload—local only.
URL parser
ClientSplit URLs into protocol, host, path, query, and hash—browser URL API; optional https:// assumption; no fetch.