
Syften
Brand24
F5Bot
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mention
KWatch.io
AWARIO
AI powered keyword monitoring for B2B

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 Octolens. We know about 1 link to it since March 2021 and only 1 link to Octolens.
Website, pricing, platforms and company facts side by side.
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| Website | octolens.com | certdecoder.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Germany · 1 - 9 employees · 2024 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Octolens monitors the web and social platforms for keywords that are important to your business. Whenever someone mentions one of your keywords, we notify you via email or Slack. You can monitor for important keywords like your brand name, product name, user pain points, or competitors. These...
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.


No features have been listed yet.
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 Octolens 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 Octolens 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.


As CEO of Octolens, I'm in the same shoes. That’s why, at the start of the year, I drew up a long list of growth ideas I could try out in 2025. Below, you’ll find my 11 favorites—some of which are definitely unusual and go beyond the... - Source: dev.to / over 1 year 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 Octolens and Cert Decoder, you can also consider the following products.


Brand24 is an AI-powered media monitoring tool that analyzes mentions and presents actionable insights.This tool is designed to keep track of online conversations about your brand, products, and competitors.
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F5Bot will send you an email whenever your brand, product, or keyword is mentioned online.
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Media monitoring made easy with Mention. Create alerts on your name, brand, competitors and be informed in real-time of any mention on the web and social networks
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Monitor Keywords on Reddit, Twitter, Linkedin, Quora, Facebook, and Hacker News. Receive an instant alert when specific keywords appear on social media.
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