• Input & Inspect. It's really that simple.
Input a domain or IP address using the TLS Inspector app, or inspect any website from within your favourite browser using our Inspect Website extension.
• No Nonsense Results. "At a glance" has never been easier.
TLS Inspector will show you the entire issue chain for any website, and whether or not your device trusts that chain.
• Dive Deep. Details for days.
View important properties of any TLS certificate including fingerprints, dates, algorithms, and more.
• Stay Safe Online. No training required.
TLS Inspector makes it easy to detect and avoid man-in-the-middle attacks on unsafe networks by highlighting invalid and untrustworthy certificates.
• Right Place, Right Time. Inspect nearly anything from anywhere.
Easily access TLS Inspector from other apps, such as Safari, with the Show Certificates share sheet action.
TLS Inspector is free & libre open source software (FLOSS) with source code available on GitHub.
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4.68 out of 5
31 ratings
in Netherlands
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Doesn't support crossigning
Sometimes one server certificate can lead, via different paths, to more than 1 root. For example:
<server> -- <intermediate 1> -- <intermediate 2> -- <root 1>
<server> -- <intermediate 1> -- <root 2>
This app always takes the first path, while IOS takes the second path whenever <root 2> is installed in IOS. This makes this app unreliable.
For more info on how this works see letsencrypt.org/certificates . Basically it works because <root 2> and <intermediate 2> have the same public / private key pair.