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Cynet
FREE, multi-platform 4.4BSD-based UNIX-like operating system

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, OpenBSD seems to be a lot more popular than Cert Decoder. While we know about 13 links to OpenBSD, we've tracked only 1 mention of Cert Decoder.
Website, pricing, platforms and company facts side by side.
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| Website | openbsd.org | certdecoder.com |
| Pricing | ||
| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of OpenBSD 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 OpenBSD yet.
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 OpenBSD 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 OpenBSD 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.


These systems are not intended for routers. They are general-purpose operating systems and should not really be used as routers. Similar to OpenBSD and VyOS, you will have to configure everything by hand without a Web...
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.


Thank you. I appreciate the answer. I was grokking the openbsd.org website for quite a while and didn't see anything like this. Source: almost 3 years ago
I seem to be able to ping openbsd.org, as I see 64 bytes from... continuously. However, when I try to install software such as doas pkg_add vim I get Can't find vim. Source: almost 3 years ago
OpenBSD is a security-first Unix-like operating system belonging to the BSD family of operating systems. It is best known for the OpenSSH project founded in 1999 under the OpenBSD umbrella which has garnered widespread adoption beyond... - Source: dev.to / almost 3 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 OpenBSD and Cert Decoder, you can also consider the following products.

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Seamless and secure online experiences are built with BioCatch behavioral biometrics. We’re more than just fraud prevention. Our solution powers your digital growth.
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Shape Security is a cyber security solution to defend websites against attacks from malware, botnets, and scripts.
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Quarkslab is a security platform that makes applications and data safe with its skilled vulnerability search tools and design of security solutions.
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Zimperium is a mobile security solution that prevents advanced modern cyber attacks on smartphones.
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Oceanit is an engineering consulting company that employs a unique discipline to move fundamental scientific breakthroughs from the lab to market.
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