CertTool
Tim Wilbrink Developer Tools iPhoneiPadiPod touch
CertTool is a free Developer Tools app for iPhone and iPad by Tim Wilbrink. Requires iOS 16.6. Updated October 11, 2025.
- Price
- Free
- on the App Store
- Size
- 6 MB
- Age 4+
- Updated
- Oct 11
- 2025 · v1.0.1
Screenshots
About CertTool
If you want to know a little bit about a X.509 certificate CertTool has you covered. Just select a file in PEM or DER format that contains the certificate and it will show you some details. And if you just want to share the certificate to the app, you can do that as well.
What’s new
Version 1.0.1 · Updated October 11, 2025
Now with the latest UI!
App privacy
The developer, Tim Wilbrink, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to CertTool
Looking for apps like CertTool? Here are 6 similar apps on the App Store. The highest rated is CertsCheck (5.0/5), and 5 of the 6 are free to download.
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CertScope
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CertsCheck
5.0
-
DevGear - Developer utilities
5.0
-
Envoh
-
SSL Checker - Sys admin tools
-
Hard Refresh
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| CertTool | – | Free | October 11, 2025 | |
| CertScope | – | Free | Jan 2, 2026 | Compare |
| CertsCheck | 5.0 / 5 (4) | Free | Oct 27, 2026 | Compare |
| DevGear - Developer utilities | 5.0 / 5 (1) | Free | Mar 19, 2026 | Compare |
| Envoh | – | Free | Oct 16, 2026 | Compare |
| SSL Checker - Sys admin tools | – | Free | Mar 9, 2026 | Compare |
| Hard Refresh | – | 1.99 USD | Mar 31, 2026 | Compare |
Compare CertTool with the top alternatives: ratings, updates, ASO score and keyword gaps →