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Find & fix security and compliance issues in open source libraries in real-time.

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 WhiteSource. We know about 1 link to it since March 2021 and only 1 link to WhiteSource.
Website, pricing, platforms and company facts side by side.
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| Website | whitesourcesoftware.com | certdecoder.com |
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In their own words, as submitted to SaaSHub.


WhiteSource is the leading solution for agile open source security and license compliance management. It integrates with your development environments and DevOps pipeline to detect open source libraries with security or compliance issues in real-time. WhiteSource doesn’t only alert on issues, it...
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
WhiteSource is recommended for software development teams, security professionals, and compliance officers who need to manage open source usage in their projects. It's particularly beneficial for organizations with a significant reliance on open source components or those with strict compliance requirements.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Webinar- Automating Open Source Security: A SANS Review of WhiteSource
More videos
No Cert Decoder videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing WhiteSource 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 WhiteSource 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.


WhiteSource identifies and prioritizes your open source security vulnerabilities. Vulcan can then integrate with WhiteSource to fix security findings across open source components.
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.


Long term, you may want to include some Tool, like Whitesource in your CI. Do not consider this as an advertising, it is not. Source: about 5 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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