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Dynamic Dummy Image Generator

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, Dummy Image should be more popular than Cert Decoder. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | dummyimage.com | certdecoder.com |
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In their own words, as submitted to SaaSHub.


No description of Dummy Image yet.
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 Dummy Image 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 Dummy Image 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 Dummy Image 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.


Dynamic Dummy Image Generator is one of the most comprehensive color image placeholder services. There are also standard images available for Dummy Image in the Graphic Stock. The generator is developed by Russell...
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.


(defvar-local xwidget nil) (defun xwidget-callback-test (result) (message "got %s" result)) (let ((b (generate-new-buffer "Xwidget"))) (switch-to-buffer b) (setq-local xwidget (make-xwidget 'webkit ... Source: almost 3 years ago
Creator of dummyimage.com here. The site sees about 216 million requests per month. Source: over 3 years ago
A great alternative is dummyimage.com. You can even set the foreground and background colors you want:\ Https://dummyimage.com/640x360/eee/aaa. Source: over 3 years 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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Unsplash is a website with high-quality free HD images. It has a catalog of more than three hundred thousand striking images that are neatly organized with tags. Read more about Unsplash.
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Find and download free stock photos - all free for personal and commercial use
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Placeholder images for your project in progress. Custom URLs generate placeholder pictures in various sizes with categories and effects.
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Placehold.co is a placeholding website that lets you create your desired template for image placeholding.
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