
Duet Display
iDisplay
DisplayPad
Air Display
Luna Display
ScreenFocus
spacedesk
Mount a second screen (iPad/iPhone/tablet) to your MacBook

Decode and verify SSL/TLS certificates online. Extract X.509 details including issuer, validity, SAN, and fingerprint. Fast, secure, and browser-based.

Which is more popular?
Based on our record, Cert Decoder seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | tenonedesign.com | certdecoder.com |
| Pricing | — | |
| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Mountie yet.
Cert Decoder is a free online tool that helps you decode X.509 SSL/TLS certificates in PEM format. It instantly shows important information like the issuer, expiry date, SAN entries, and fingerprint. All data is processed locally in your browser, so nothing is ever sent or stored elsewhere.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Mountie yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Episode 14: Mountie+ Review
More videos
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Mountie and Cert Decoder.
Cert Decoder's answer:
I built certdecoder.com over the weekend for my own needs. Sometimes in my work, I need to verify and check certificate details.
Cert Decoder's answer:
certdecoder.com was built using just JavaScript and HTML—simple, fast, and with all processing happening locally in your browser, so no certificate data is sent to any server
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Cert Decoder's answer:
Simple, fast, and reliable. Some similar tools can’t even decode basic certificates. I rigorously tested my tool with many real-world certificates and covered several edge cases where competitors fall short.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Share your experience with using Mountie and Cert Decoder. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Mountie is one of the best online devices that are used for mounting multi-desktop at a time. It works as a multi-functional tool to provide a screen to devices in no time frame.
We have no reviews of Cert Decoder yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Tracking Mountie since Mar 2021.
Why? Because I built certdecoder.com and couldn’t find a decent place to submit it. So I said screw it — I’ll build my own. With blackjack and hookers. - Source: dev.to / over 1 year ago
When comparing Mountie and Cert Decoder, you can also consider the following products.

With Duet Display, you can transform your iPhone or iPad into a second display to expand the screen space of your PC or Mac system.
Compare Duet Display to Mountie or Cert Decoder:

iDisplay is an app that turns a mobile device into a secondary desktop monitor. The app currently supports iOS, Android, Windows and MacOS, and it lets users connect a desktop computer to a mobile device over WiFi. Read more about iDisplay.
Compare iDisplay to Mountie or Cert Decoder:

DisplayPad is an online cutting edge solution that designed to use your iPad as a second or extra display for your Mac device.
Compare DisplayPad to Mountie or Cert Decoder:

Air Display allows extra screens to extend the display size of a Mac desktop. The company behind the product is Avatron Software, which was founded in 2008. Read more about Air Display.
Compare Air Display to Mountie or Cert Decoder:

Hardware that turns the iPad into a wireless second display
Compare Luna Display to Mountie or Cert Decoder:

Working with multiple monitors made right.
Compare ScreenFocus to Mountie or Cert Decoder: