
LineageOS
Android
GrapheneOS
Ubuntu Touch
e.foundation /e/
CalyxOS
postmarketOS
Replicant is a distribution of Android that is 100% Free Software.

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, Replicant seems to be a lot more popular than Cert Decoder. While we know about 15 links to Replicant, we've tracked only 1 mention of Cert Decoder.
Website, pricing, platforms and company facts side by side.
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| Website | replicant.us | certdecoder.com |
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| Listed in |
In their own words, as submitted to SaaSHub.


No description of Replicant 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 Replicant 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 Replicant 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.


Though Replicant was founded back in 2010 by a couple of Free Software groups, it now uses the source code of LineageOS as the base. You can see the list of devices supported by Replicant here.
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.


> the FSF is at least 15 years late to really launch something in that space Not really. https://replicant.us is an FSF-supported project. But it kind of died due to the lack of contributors. IMHO, postmarketOS is better than Replicant... - Source: Hacker News / 11 months ago
Sadly there is no real alternative to Android at the moment. Replicant are also just 2-3 developers afaik. https://replicant.us/. - Source: Hacker News / almost 2 years ago
Galaxy Note 2 + [Replicant](https://replicant.us). I got 2 used for $10, one is my main, the other is my travel dummy airport cops can look at. - Source: Hacker News / almost 2 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 Replicant and Cert Decoder, you can also consider the following products.

Operating system for smartphones and tablet computers, based on the Android
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Android is an open source mobile operating system initially released by Google in 2008 and has since become of the most widely used operating systems on any platform.
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GrapheneOS is an open source privacy and security focused mobile OS with Android app compatibility.
Compare GrapheneOS to Replicant or Cert Decoder:

Read more about Ubuntu Touch. Our free and open source mobile OS is made and maintained by UBports! We care about your freedom and privacy.
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/e/ is a fork of LineageOS that aims to be completely free of everything Google.
Compare e.foundation /e/ to Replicant or Cert Decoder:
Privacy-focused operating system for smartphones based on Android and microG
Compare CalyxOS to Replicant or Cert Decoder: