
FlowMapp
DYNO Mapper
Octopus.do
A1 Sitemap Generator
XML-Sitemaps.com
PowerMapper
Site Visualizer Professional
Visual Sitemaps | Crawl & Website Architecture + Flows

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 | visualsitemaps.com | certdecoder.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from the United States · 2018 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Generate visual sitemaps & screenshots for live + staging websites. Run Audits > Plan Content > Create Flows for SEO, UX, and Competitor Analysis.
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.


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 VisualSitemaps and Cert Decoder.
VisualSitemaps's answer
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.
VisualSitemaps's answer
It was made by a Product Designer to solve his own pain points when auditing a website. Attention to detail. Reliable, Enterprise-grade Infrastructure and security. 100% white-glove real-time live chat support.
VisualSitemaps's answer
smart web teams/consultants/agencies - who want to save time.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
VisualSitemaps's answer
VisualSitemaps stands out from the competition by offering an intuitive, automated platform that quickly transforms any website into a clear, user-friendly map. Its unique blend of interactive visuals, data-driven insights, and collaborative features streamlines decision-making for web teams. Unlike many competitors, VisualSitemaps also emphasizes SEO and UX enhancements by pinpointing broken links, improving navigation pathways, and highlighting potential design and content issues—all within a single, easy-to-use interface. This comprehensive approach not only saves valuable time and resources but helps ensure a website is both visually appealing and highly functional, giving businesses a competitive edge in the online space.
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.
VisualSitemaps's answer
view our architecture here
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
VisualSitemaps's answer
IBM, Accenture, R/GA, Apple.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Share your experience with using VisualSitemaps 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 VisualSitemaps 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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