Software Alternatives & Startups

Checkbot VS Cert Decoder

Compare Checkbot VS Cert Decoder and see what are their differences

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.

Checkbot logo Checkbot

Checkbot will boost the SEO, speed and security of your site by checking you're following 50+ web best practices. Browser extension with free and paid plans.

Cert Decoder logo Cert Decoder

Decode and verify SSL/TLS certificates online. Extract X.509 details including issuer, validity, SAN, and fingerprint. Fast, secure, and browser-based.
  • Checkbot Landing page
    Landing page //
    2022-06-22

Checkbot is a Google Chrome extension that will boost the SEO, speed and security of your website by checking your site follows 50+ web best practices. In a couple of clicks, you can check 1,000s of pages for broken links, duplicate content, invalid HTML/CSS/JavaScript, insecure password forms, redirect chains and more. Test any site you want as often as you want including localhost sites so you can catch critical website issues before they impact your users or search results.

  • Cert Decoder
    Image date //
    2025-03-22

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.

Checkbot

$ Details
freemium $15 / Monthly
Platforms
Windows Browser Mac OSX Google Chrome Linux

Checkbot features and specs

  • Comprehensive Website Analysis
    Checkbot offers a thorough analysis of your website, including SEO, speed, and security checks. This helps identify potential areas for improvement in a single scan.
  • Browser Extension
    As a browser extension, Checkbot is easy to install and use directly from Chrome. This integration makes it convenient for frequent checks and updates.
  • Performance Metrics
    The tool provides detailed performance metrics that can help webmasters understand how their websites are performing and what can be improved for better speed and efficiency.
  • Error Reporting
    Checkbot specializes in detecting various types of errors such as broken links, duplicate content, and insecure forms, which can be crucial for maintaining website health.
  • User-Friendly Interface
    The interface of Checkbot is designed to be intuitive, making it accessible even for users who are not technically savvy.

Possible disadvantages of Checkbot

  • Limited Browser Support
    Checkbot is only available as a Chrome extension, which limits its usability for those who prefer or rely on other browsers like Firefox or Safari.
  • Subscription Cost
    While there is a free version, the more advanced features of Checkbot are locked behind a subscription paywall, which might not be feasible for all users.
  • Compatibility Issues
    Since it is a browser extension, Checkbot may face compatibility issues with certain websites or configurations, potentially limiting its effectiveness.
  • Learning Curve
    Despite its user-friendly interface, new users might still experience a learning curve when trying to understand all the features and metrics provided by Checkbot.
  • Data Privacy
    As with any web tool that scans and analyzes websites, there might be concerns related to data privacy and how the scanned data is stored or used.

Cert Decoder features and specs

  • 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 of Cert Decoder

  • 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 of Checkbot

Overall verdict

  • Overall, Checkbot is considered a good tool for anyone looking to improve their website's SEO, performance, and security. It is user-friendly and offers detailed reports that are beneficial for both novices and experienced web developers. However, like any tool, its effectiveness depends on the user's goals and how well its features align with their needs.

Why this product is good

  • Checkbot (checkbot.io) is a browser extension designed to test websites for SEO, speed, and security issues. It streamlines the process of auditing a website by crawling through its pages and providing insights into areas of improvement. Users appreciate it for its ability to quickly identify broken links, duplicate content, and other SEO pitfalls. It also offers guidance on enhancing page load speeds and ensuring best practices for security compliance, making it a comprehensive tool for web developers and content creators.

Recommended for

    Checkbot is recommended for web developers, SEO specialists, digital marketers, and website owners who want to ensure their sites are optimized for search engines, perform efficiently, and adhere to security best practices. It's also beneficial for anyone who prioritizes a streamlined and automated way to identify and fix web-related issues.

Analysis of Cert Decoder

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

0-100% (relative to Checkbot and Cert Decoder)
SEO Tools
100 100%
0% 0
Decoding
0 0%
100% 100
SEO
100 100%
0% 0
Monitoring Tools
0 0%
100% 100

Questions & Answers

As answered by people managing Checkbot 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

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Checkbot and Cert Decoder

Checkbot Reviews

Free SEO Tools To Improve Your Rankings
CheckBot (Free Plan) - A free efficient SEO chrome extesnion to crawl all your website pages from inside your broswer and gives you comprehensive SEO, web speed, and security insights. Over 50 tools to quickly check for SEO and web development issues. Free plan is limited to 100 pages and can be used for commi.

Cert Decoder Reviews

We have no reviews of Cert Decoder yet.
Be the first one to post

Social recommendations and mentions

Based on our record, Checkbot should be more popular than Cert Decoder. It has been mentiond 4 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Checkbot mentions (4)

  • Ask HN: Who is hiring? (May 2026)
    Location: Edinburgh, UK Remote: Yes (I’m used to time zone differences and async work) Willing to relocate: No Technologies: Figma, Sketch, TypeScript, JavaScript, Vue, Hugo, Jekyll, WordPress, Django, HTML/CSS, Bootstrap, Tailwind, OCaml, Java, Python, C, analytics, WCAG accessibility, website SEO/speed optimisation. Résumé/CV: See https://seanw.org/ for portfolio, and https://checkbot.io/ and... - Source: Hacker News / 4 months ago
  • Ask HN: Who wants to be hired? (December 2025)
    SEEKING FREELANCE WORK | UX/UI & web design Location: Edinburgh, UK Remote: Yes (I’m used to time zone differences and async work) Willing to relocate: No Technologies: Figma, Sketch, TypeScript, JavaScript, Vue, Hugo, Jekyll, WordPress, Django, HTML/CSS, Bootstrap, Tailwind, OCaml, Java, Python, C, analytics, WCAG accessibility, website SEO/speed optimisation. Résumé/CV: https://seanw.org/, live example projects... - Source: Hacker News / 9 months ago
  • Ask HN: Freelancer? Seeking freelancer? (January 2025)
    SEEKING WORK | UX/UI & web design Portfolio: https://seanw.org/ Live example projects: https://checkbot.io/ https://inclusivecolors.com/ Location: Edinburgh, UK and remote (I’m used to time zone differences and async work) --- I help startups with the UX/UI and web design of their products. This includes web apps, websites, landing pages, copywriting, and I can assist with frontend development where needed. My... - Source: Hacker News / over 1 year ago
  • Ask HN: Coping with SaaS consumption tax compliance (sales/VAT/GST/etc.)
    I went with option 3 using Paddle for my solo app (https://checkbot.io) and don't regret it. I receive a single invoice a month that I declare as income on tax returns and that's it - I can sell worldwide and don't have to worry about county specific tax issues. - Source: Hacker News / about 4 years ago

Cert Decoder mentions (1)

  • 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

What are some alternatives?

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

Sitechecker - All-in-one SEO platform including rank tracker, website SEO audit tool and website changes monitoring. Detailed reports by 100+ parameters with how-to-fix guides.

Pulno - SEO Audit and Website Analysis. Pull up your SEO.

LinkChecker - LinkChecker is a free, GPL licensed website validator.

Fast Link Checker - An advanced tool to find broken links on web sites.

Screaming Frog SEO Spider - The Screaming Frog SEO Spider is a small desktop program (PC or Mac) which crawls websites’ links...

Website Grader - Grade your website's strengths and weaknesses in seconds.