TLS Inspector 4+

Trust & Safety On-the-go‪.‬

Ian Spence

Designed for iPad

    • 4.8 • 258 Ratings
    • Free



Trust & Safety in the palm of your hand.

• 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.

What’s New

Version 2.8.0

Thanks for using TLS Inspector!

• Added some fancy schmancy new icons!
• Normalized font sizes across the entire app, also fixed dynamic font sizes not working within the app
• Removed the legacy Apple network engine
• Fixed an issue where an untrusted certificate might mistakenly be labelled as using SHA1
• Added a link to my other app, DNS Inspector, in the about view. Speaking of which...

If you like TLS Inspector you may be interested in my newest app, DNS Inspector! Following the same core principals of TLS Inspector, DNS Inspector aims to help you better understand the complexities of DNS name resolution.

Ratings and Reviews

4.8 out of 5
258 Ratings

258 Ratings

Its That End User Again ,

UPDATED!🔏Must Have essential security aid for iOS

UPDATE: Still going strong, thanks to this app over the years I’ve been able to learn about cert chains in the Apple server environment on device!

I downloaded This tool years ago and it’s been on all my devices- testing and personal- as an essential web tool, especially these days with web apps being everywhere. It’s helped me trace down all sorts of inconsistencies, unexpected behavior, and hands down shady stuff… all through the iOS share sheet! From simple double checks out of safety, to hunting down a rotten CA issue this app never fails. Thank you to the dev for keeping it updated and for designing such a great tool. Wish I wrote this 4 years ago when I starting using this! UPDATE: It’s been a few years and this app has grown to something better than I ever expected. This dev KNOWS certs. I mean, really knows. This isn’t just some easily coded generic utility tool app. You won’t find any other cert apps anywhere near as advanced as this.

Minecfafter ,

Great app but get error messages lately.

This is a great app the allows you to view a website’s security certificate and I think this ability should be built in to safari but for some reason it’s not. But lately every time I try to check for certificate bundle updates I get the error message “failed to securely check for TLS bundle updates please check for pending updates for TLS inspector in the AppStore.” but currently their are no app updates available on the AppStore so I really hope this issue is fixed soon.

Developer Response ,

Thank you for the kind words!

Bundle updates aren't critical and it won't negatively impact the app or any results if they're a few months out of date.

Jezzy M.D. ,


Using “Google” chrome browser which sometimes a “Website” have a warning Icon on my “address” which technically says the website Protection “outdated”…This “app” on the other helps me check out (inform) what “security” issues this website having (like “dollar general” store, a website legit but their security protection is a bit outdated).

App Privacy

The developer, Ian Spence, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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