
BuiltWith
Wappalyzer
WhatRuns
W3Techs
What CMS
Similar Tech
SiteReport NetCraft
Webspotter is a lead-generation tool and a website database. With its help, you can learn about all the technologies installed on a particular site

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 | webspotter.io | certdecoder.com |
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In their own words, as submitted to SaaSHub.


Webspotter is a lead-generation software solution that reveals the technologies used on websites. The tool allows businesses to get email addresses of potential customers to convert them into leads. With its help, specialists also can discover a technology’s usage statistics, its popularity in...
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 Webspotter 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 Webspotter 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 Webspotter 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.


Webspotter profiles website technologies including web frameworks, development language, CMS, and analytics tools they use to build and run those websites. This will help you get quality leads which you can convert to...
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.


Tracking Webspotter since Mar 2021.
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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Extension that helps you identify technologies used on any website at the click of a button.
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W3Techs provides information about the usage of various types of technologies on the web.
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WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.
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SimilarTech offers a Sales Insights platform which helps companies uncover their ideal market by crawling the sourcecode of over 300M sites.
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