Software Alternatives & Startups

Censys VS Cert Decoder

Compare Censys VS Cert Decoder and see what are their differences

Censys

Censys helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security.

Censys Landing page
Rating
0 reviews
Pricing
Freemium Free trial
Cert Decoder

Decode and verify SSL/TLS certificates online. Extract X.509 details including issuer, validity, SAN, and fingerprint. Fast, secure, and browser-based.

Cert Decoder screenshot
Rating
0 reviews
Pricing
Free

Which is more popular?

Based on our record, Censys seems to be a lot more popular than Cert Decoder. While we know about 13 links to Censys, we've tracked only 1 mention of Cert Decoder.

social mentions
13 vs 1
Web Application Security popularity
100% vs 0%

Base details

Website, pricing, platforms and company facts side by side.

Censys
Cert Decoder
Website censys.com certdecoder.com
Pricing
Freemium Free trial Official pricing
Free
Platforms
Web
Listed in

About Censys and Cert Decoder

In their own words, as submitted to SaaSHub.

Censys
Cert Decoder

Attack Surface Management (ASM) At Censys, we can see it all. Our world-leading attack surface management platform gives organizations a sixth sense — relentlessly monitoring assets, seeing the unseen, and proactively giving security teams an opportunity to solve issues before they have a chance...

Read more about Censys

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.

Read more about Cert Decoder

Features and specs

What each product offers, as listed by its team.

Censys 5 features
Cert Decoder 4 features
  • Comprehensive Internet Scanning
    Censys provides extensive data on internet-facing assets, helping organizations understand their exposure and discover potential vulnerabilities across the network.
  • Real-time Monitoring
    Offers continuous monitoring of the internet to detect changes and vulnerabilities as soon as they occur, providing timely security insights.
  • Detailed Data Analysis
    Equipped with robust tools for data analysis, Censys enables users to dissect and interpret large volumes of data effectively, facilitating informed decision-making.
  • User-friendly Interface
    Censys features an intuitive and easy-to-navigate interface, making it accessible for both technical and non-technical users to utilize the platform effectively.
  • API Access
    Offers API access which allows for seamless integration with other tools and platforms, enhancing workflow automation and data management capabilities.

Possible disadvantages

  • Data Overload
    The abundance of data provided can be overwhelming, especially for users without a background in cybersecurity who may struggle to interpret the results effectively.
  • Cost
    Censys services can be costly, potentially making it less accessible for smaller organizations or startups with limited budgets.
  • Learning Curve
    While the interface is user-friendly, the platform still requires time to learn and master, particularly for users without prior experience in cybersecurity or data analysis.
  • False Positives
    As with many scanning tools, there is the potential for false positives, which may require additional verification and analysis by the user.
  • Technical Dependencies
    Using Censys effectively often requires integration with other cybersecurity tools and platforms, which may require technical expertise and support.
  • User-Friendly Interface
    Cert Decoder is designed with a simple and intuitive interface that makes it easy for users to navigate and use the tool without requiring extensive technical knowledge.
  • Comprehensive Analysis
    The tool provides detailed analyses of certificates, including information about validity, issuer, encryption algorithms, and more, helping users understand their security certificates thoroughly.
  • Free to Use
    Cert Decoder offers its services free of charge, making it accessible for individuals and organizations without budget constraints.
  • Quick Processing
    The tool processes certificate information rapidly, providing almost instant results for users, which is crucial for time-sensitive tasks.

Possible disadvantages

  • Limited Advanced Features
    Compared to some paid alternatives, Cert Decoder might lack advanced features that are necessary for more complex certificate management and diagnostics.
  • Reliance on Internet Access
    Users need an active internet connection to utilize the tool, which can be a limitation in areas with unreliable internet service.
  • Privacy Concerns
    While using an online service to decode certificates, there can always be privacy concerns regarding sensitive data being uploaded to a third-party server.
  • No Offline Mode
    Cert Decoder does not offer an offline mode, which could be a drawback for users who require functionality without constant internet availability.

Analysis

An editorial look at what each product does well and who it suits.

Censys
Cert Decoder

No analysis of Censys yet.

Overall verdict

  • Cert Decoder appears to be a free online tool for decoding and inspecting SSL/TLS certificates, CSRs, and related cryptographic data, making it useful for quick, no-install certificate analysis, though it should be used with awareness of general web tool privacy considerations when handling sensitive certificate data.

Why this product is good

  • Provides quick, browser-based decoding of certificates without needing to install software
  • Useful for troubleshooting SSL/TLS certificate issues on the fly
  • Simple interface aimed at both technical and semi-technical users
  • No cost to use for basic certificate decoding tasks

Recommended for

  • System administrators needing to quickly verify certificate details
  • Developers debugging SSL/TLS configuration issues
  • IT support staff troubleshooting website certificate errors
  • Students or professionals learning about certificate structure and encoding

Videos

Walkthroughs and reviews on video.

Censys 1 video + Add
Cert Decoder 0 videos + Add

Attack Surface Management

No Cert Decoder videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Censys
Cert Decoder
100% 100%
0% 0%
90% 90%
10% 10%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing Censys and Cert Decoder.

What's the story behind your product?

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.

Which are the primary technologies used for building your product?

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

How would you describe the primary audience of your product?

Cert Decoder's answer:

certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.

Why should a person choose your product over its competitors?

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.

Who are some of the biggest customers of your product?

Cert Decoder's answer:

certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.

User comments

Share your experience with using Censys and Cert Decoder. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Censys 13 mentions
Cert Decoder 1 mention
  • Arris NVG468MQ - get rid of it
    You should be able to see scans from censys.io, and other. Source: about 3 years ago
  • Tools for very basic security audits
    Some tools to consider: Gitleaks - open-source secret scanner for git repositories, files, and directories. Retire.js - dependency check tool for client JS code. Censys - It’s a search engine that you can use, for example, to scan any... Source: over 3 years ago
  • Is shodan api worthy for automation?
    You also have censys.io, but I do not have much experience with them. Source: over 3 years ago

View more

  • Banana.dog back from the dead
    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

Alternatives to Censys and Cert Decoder

When comparing Censys and Cert Decoder, you can also consider the following products.