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Learn all about web hacking through online courses spanning the basics to advanced vulnerabilities

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, PentesterLab seems to be a lot more popular than Cert Decoder. While we know about 17 links to PentesterLab, we've tracked only 1 mention of Cert Decoder.
Website, pricing, platforms and company facts side by side.
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| Website | pentesterlab.com | certdecoder.com |
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In their own words, as submitted to SaaSHub.


No description of PentesterLab 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 PentesterLab yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
THIS IS WHY YOU SHOULD GET A PENTESTERLAB PRO SUBSCRIPTION!
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing PentesterLab 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 PentesterLab 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.


Learning Websites: PortSwigger Web Security Academy - Free, comprehensive web security training. I recommend PortSwigger Academy if you are starting out. Bugcrowd University - Free educational resources for bug bounty hunters.... - Source: dev.to / over 1 year ago
For pentesting, look at the below: - https://portswigger.net/web-security - https://pentesterlab.com/ - https://www.hackthebox.com/. Source: over 3 years ago
These codes can be useful in different situations. A good site to test out different types of attacks and recon is: http://pentesterlab.com (mind it has a premium subscription plan but u can use it free). Source: almost 4 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
When comparing PentesterLab and Cert Decoder, you can also consider the following products.

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An online platform to test and advance your skills in penetration testing and cyber security.
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VulnHub provides materials allowing anyone to gain practical hands-on experience with digital security, computer applications and network administration tasks.
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PwnTillDawn Online Battlefield is an online platform that allows you to learn and improve your pentesting and other cybersecurity assessments skills.
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Hack This Site is a legal free training ground for users to test and expand their hacking skills.
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CodeRed, EC Council’s continuous learning platform will equip you with globally recognized cybersecurity skills to prevent cyberattacks around the world.
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