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Simple, high-reliability, distributed software configuration management

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, Fossil seems to be a lot more popular than Cert Decoder. While we know about 30 links to Fossil, we've tracked only 1 mention of Cert Decoder.
Website, pricing, platforms and company facts side by side.
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| Website | fossil-scm.org | certdecoder.com |
| Pricing | — | |
| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Fossil 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
Fossil is recommended for small to medium-sized projects, teams looking for an easy-to-use SCM with integrated project management features, and individuals or groups working on portable and straightforward development setups. It's also a good choice for those who prioritize security and reliability, given its backing by projects like the development of SQLite.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Why Is EVERYONE Giving This Watch 5 Stars?! - A Brutally Honest Fossil Watch 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 Fossil 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 Fossil 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.


If you are frustrated with Github being down again, and just want an alternative, the other options listed are better fits. If you have the time to look at doing more than that, then check out fossil... - Source: Hacker News / 28 days ago
Luckily we already have a distributed version control system that can take over github: https://fossil-scm.org/home/doc/trunk/www/index.wiki I suppose people can use git too if they ever figure out how to send emails from a dedicated... - Source: Hacker News / 28 days ago
Maybe something like https://fossil-scm.org/home/doc/trunk/www/index.wiki is worth another look. Although Forgejo is probably an easier switch from GitHub. If their federation ideas play out well, that could be a good outcome from all this. - Source: Hacker News / 5 months 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
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Mercurial is a free, distributed source control management tool.
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Git is a free and open source version control system designed to handle everything from small to very large projects with speed and efficiency. It is easy to learn and lightweight with lighting fast performance that outclasses competitors.
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Unbloated, yet feature rich. CatchJS provides JavaScript Error Tracking the way it should be.
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JavaScript Error Monitoring from TrackJS gives you context about what's happening in your end-users' browsers.
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Stackify is the only developers-friendly solution that integrates error and log management with application performance monitoring. Code more support less. Start your free trial now
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