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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?
Cert Decoder might be a bit more popular than FastPixel.io. We know about 1 link to it since March 2021 and only 1 link to FastPixel.io.
Website, pricing, platforms and company facts side by side.
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| Website | fastpixel.io | certdecoder.com |
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| Company | 2023 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Boost your WordPress website’s performance with FastPixel, an all-in-one plugin engineered to deliver lightning-fast pages.
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
An editorial look at what each product does well and who it suits.


No analysis of FastPixel.io yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing FastPixel.io 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 FastPixel.io 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.


The plugin works great and the performance boost is really impressive for a free plugin. It worked just fine for my website even though I'm on the free plan.
Despite being a newcomer in the market, FastPixel has made a great impact on my website's performance and has become an integral part of my site's optimization toolkit. The results it delivers are impressive,...
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.


FastPixel optimizes the websites using their cloud instead of client hosting, which provides the best performance across different hosting providers and means nothing breaks when clients switch hosts. - Source: dev.to / 8 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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