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SelfChart.app VS Cert Decoder

Compare SelfChart.app VS Cert Decoder and see what are their differences

SelfChart.app

Discover yourself through Human Design, Astrology, Numerology, Gene Keys, and Tarot. Get your free chart with AI-powered insights.

No screenshot yet
Rating
0 reviews
Is it good? Alternatives
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
Is it good? Alternatives
Hyperview
DCIM software reinvented. sponsored
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Cert Decoder seems to be more popular. It has been mentioned 1 time since March 2021.

social mentions
0 vs 1
Lifestyle popularity
100% vs 0%

Base details

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

SelfChart.app
Cert Decoder
Website selfchart.app certdecoder.com
Pricing
Official pricing
Free
Platforms —
Web
Company Startup from Ireland · 2025 —
Listed in
Productivity Astrology Lifestyle Numerology +1
SSL Certificates Decoding Website Monitoring Monitoring Tools +1

About SelfChart.app and Cert Decoder

In their own words, as submitted to SaaSHub.

SelfChart.app
Cert Decoder

No description of SelfChart.app 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.

Read more about Cert Decoder

Features and specs

What each product offers, as listed by its team.

SelfChart.app 5 features
Cert Decoder 4 features
  • Self-tracking convenience
    Provides an accessible platform for users to log and track personal health or wellness data over time, making it easier to spot trends and patterns.
  • User-friendly interface
    Designed with simplicity in mind, allowing users without technical or medical backgrounds to navigate and use the app easily.
  • Privacy-focused approach
    Since it's self-tracking software, users maintain control over their own data rather than relying on third-party clinical systems.
  • Cost-effective solution
    Offers an affordable or free alternative to professional health tracking tools or services, making self-monitoring accessible to more people.
  • Customizable tracking
    Allows users to tailor what they track based on their personal health goals or concerns, rather than being locked into a rigid template.
  • 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.

SelfChart.app
Cert Decoder

Overall verdict

  • SelfChart.app appears to be a niche self-tracking/journaling or personal charting tool, but there is limited independent, verifiable information available about its features, security practices, and user feedback, so its quality cannot be fully confirmed at this time.

Why this product is good

  • It seems to offer a simple way to visualize or track personal data or habits, which can be useful for self-reflection.
  • The concept of self-charting can help users identify patterns in their behavior, mood, or metrics over time.
  • If lightweight and easy to use, it could serve as a low-barrier entry tool for personal analytics without needing complex software.

Recommended for

  • Individuals looking for a simple, minimalist tool to track personal metrics or habits.
  • Users who prefer a straightforward charting interface over more complex analytics platforms.
  • People experimenting with self-quantification for personal insight rather than professional or clinical use.
  • Those who value privacy and may want to verify data handling practices before committing to regular use.

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

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
SelfChart.app
Cert Decoder
100% 100%
Lifestyle
0% 0%
0% 0%
Decoding
100% 100%
100% 100%
Astrology
0% 0%
0% 0%
Monitoring Tools
100% 100%

Questions & Answers

As answered by people managing SelfChart.app 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 SelfChart.app 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.

SelfChart.app 0 mentions
Cert Decoder 1 mention

Tracking SelfChart.app since Dec 2025.

  • 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 SelfChart.app and Cert Decoder

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

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