
Shodan
Censys
ZoomEye
Criminal IP
Netlas.io
IVRE
wapiti
FOFA is a Search Engine for global cyberspace mapping. Through continuous active detection of global Internet assets, identifying most software and hardware network assets.

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, Cert Decoder seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | fofa.info | certdecoder.com |
| Pricing | ||
| Platforms | — | |
| Company | 2016 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


More than 7 billion assets have been identified through active detection of global Internet assets. Additionally, 350,000 fingerprint rules have been accumulated. This allows for the identification of most software and hardware network assets. Asset data can be used to support external...
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 FOFA yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
FOFA Find One Find All Key Finder Demo, Review & Setup
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing FOFA 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 FOFA 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.


Tracking FOFA since Feb 2023.
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 FOFA and Cert Decoder, you can also consider the following products.

Shodan is the world's first search engine for Internet-connected devices.
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Censys helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security.
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Criminal IP protects IT assets and businesses by analyzing all years of cyber threats and prediciting exploits. Criminal IP provides real-time intelligence to enhance cybersecurity competencies in all aspects.
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Internet intelligence apps that provide accurate technical information about IP-addresses, domain names, web-sites, web-services, IoT-devices and other online assets.
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Network recon framework, including a web interface to browse Nmap scan results.
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