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SSL Checker

Validate an SSL certificate, its chain, issuer and expiry date.

11,305 runs this month 4.8 average rating Results in under 2 seconds

About SSL Checker

SSL Checker is a no-nonsense utility for engineers and technical marketers. Validate an SSL certificate, its chain, issuer and expiry date. Give it your domain and it returns a metric breakdown — no sign-up, no ceremony.

It queries registry and DNS data directly rather than relying on a cached third-party index, so what you see reflects the domain as it stands right now.

SSL Checker is free to use with no account required. Signing in adds saved history, favourites and higher daily limits, and unlocks the other 311 tools on the platform.

How to use SSL Checker

  1. 1

    Enter your domain

    Type the root domain — no protocol or trailing path needed.

  2. 2

    Set your options

    Adjust the settings to match your use case. Defaults are chosen to be sensible for most people, so you can usually skip this step.

  3. 3

    Run the tool

    Press Run. Progress is shown while it works, and most runs finish in under two seconds.

  4. 4

    Review the result

    Scan the metric cards for anything outside the expected range.

  5. 5

    Export or share

    Copy to clipboard, download the raw output, export to PDF, CSV or JSON, or share a link to this tool with your team.

Example

You enter

northwindmedia.co

You get back

Registered 2014 · DA 54 · 1,284 referring domains · Spam score 4%

Features

Live registry data

Reads directly from registry and DNS rather than a stale cached index.

Plain-language metrics

Each value comes with context, not just a number.

Fast by default

Most runs complete in well under two seconds, with live progress while it works.

Export anywhere

Copy to clipboard or export to PDF, CSV, JSON or plain text in one click.

Privacy-aware

Anything that can be computed in your browser is — nothing is uploaded unless the job genuinely needs a server.

Free, no account needed

Use it immediately. Signing in adds history, favourites and higher limits.

Why teams use it

Stop paying for a single-purpose tool

SSL Checker is one of 312 tools on the same account. One subscription replaces the handful of point solutions most developer teams end up stacking.

Get to the decision faster

The output is structured around what you will do next, not around what was easiest to measure. Less interpretation, fewer meetings.

Share results without a screenshot

Export to PDF or CSV, or send a link. Clients and colleagues see the same thing you do, formatted properly.

Works the same on every device

The full workspace — including tables and exports — works on a phone, a tablet and a 4K display without a separate app.

FAQ

SSL Checker — frequently asked questions

Yes. SSL Checker is free with no account required, subject to a fair-use daily limit. Creating a free account raises that limit and saves your history; paid plans remove it entirely.
Results come from live sources at the moment you run the tool. Where a value is an estimate rather than a measurement — search volume and traffic estimates in particular — it is labelled as such so you can weight it accordingly.
No. Everything runs in the browser. There is nothing to download, no extension to approve and no desktop client to keep updated.
Free accounts get 25 tool runs a day across the whole platform. Starter raises that to 250, Professional to 1,500, and Business to 6,000. Enterprise is unlimited.
Yes — copy to clipboard, download the raw output, or export to PDF, CSV or JSON. Business and Enterprise plans can also white-label exports with your own logo and colours.
Most people pair it with the other developer tools on the platform — the related tools listed below are the ones opened most often in the same session. All 312 are included in the same account.
Keep going

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