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Inspect - View TLS certificate

Inspect - View TLS certificate

Certificate Inspector

126 ratings
30 reviews
🔧 Utilities
📊 Productivity
Free

Details

  • Released
  • Updated
  • May 14, 2016
  • April 6, 2026

Developer

Tao Xu
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iphone
ipad
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About

Examine the TLS certificate chain of any website directly on your iPhone or iPad. Understand trust status, protocols, and security signals. Export certificates for further analysis or sharing.

✓Inspect live TLS certificate chains
✓Review trust status and security signals
✓Browse and export certificates
✓Safari extension for current page inspection
✓Action extension for shared URLs
✓Home Screen widget for Live Monitor
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What's New in Inspect

2.5.3

April 6, 2026

- OCSP and CRL status check - Redirect-aware TLS inspection: see each hop separately when a site redirects - Improved certificate chain display for long chains - Updated Certificate Transparency log database - Bug fixes and performance improvements

More

User reviews

Most RecentHighest RatedLowest Rated

Well integrated

I love the simplicity of this, thank you!
MemoMayMemoMay

UPDATE OR PULL! 😤

This app *used* to be handy- 4 years ago. Does NOT work with iOS 16. Come on devs, put this thing down.
Its That End User AgainIts That End User Again

MITM

The app worked great for a while now the MITM icon is greyed out even though the switch is green indicating it is active. I emailed the developer and after a few days no reply seems they are not interested in responding to paid subscribers.
LuvtobeindavaoLuvtobeindavao

Incomplete toturial

The toturial is incomplete it doesn’t tell you how to edit
uyyyhygtfhebduyyyhygtfhebd

Simplicity is good

A perfect utility for checking certificates, not complicated and quick.
CorendelleCorendelle
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FAQ

What does Inspect do?

Inspect allows you to examine the TLS certificate chain of any website on your iPhone or iPad. You can paste a hostname or HTTPS URL to review its trust state, protocol, certificate chain, and various security signals.

What are the key features of Inspect?

Key features include inspecting live TLS certificate chains, reviewing trust status, protocol, validity, SANs, key usage, fingerprints, and extensions. It also surfaces risky signals, allows browsing of the entire certificate chain, and enables exporting DER certificates.

Is Inspect free to use?

Yes, the application is available for free. There are no in-app purchases or advertisements mentioned in the provided data, indicating a completely free experience.

What devices is Inspect compatible with?

The app is designed for use on iPhone and iPad devices. It also offers extensions for Safari and action extensions for sharing from other apps, as well as a Home Screen widget.

How can I use Inspect for debugging?

Inspect is useful for debugging by allowing you to export any certificate in the chain in DER format. This exported certificate can then be shared or used for further analysis to understand potential issues with a site's TLS configuration.