
Screenkey
Carnac
Key-mon
YAKD
Kling
Visualize
KeyCastOW
KeyCastr lets you easily display your keystrokes while recording screencasts.

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, KeyCastr should be more popular than Cert Decoder. It has been mentioned 8 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | github.com | certdecoder.com |
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In their own words, as submitted to SaaSHub.


No description of KeyCastr 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.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing KeyCastr 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 KeyCastr and Cert Decoder. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


It would also be benefitial to download a program that shows the keypresses that you are inputing on the screen as you input them. This will show if the problem is really the game's fault or not. A program that can do this on mac is... Source: about 4 years ago
In the meatime - this has inspired me to install KeyCastr to actually analyse my own usage. This has already shown up that the external keyboard doesn't nicely swap around ctrl and fn ... Source: over 4 years ago
Https://github.com/keycastr/keycastr open source == good. Source: over 4 years ago
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 KeyCastr and Cert Decoder, you can also consider the following products.
Screenkey is a screencast tool to display your keys inspired by ...
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A utility to give some insight into how you use your keyboard/
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Utility to show live keyboard and mouse status for teaching and screencasts.
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Tiny, open-source app for displaying mouse and key presses for screen recordings.
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Visualize allows you to highlight your key presses and mouse clicks right on your desktop.
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