Software Alternatives & Startups

WPCheckr VS Cert Decoder

Compare WPCheckr VS Cert Decoder and see what are their differences

WPCheckr logo WPCheckr

Free WordPress security scanner and vulnerability checker. Instantly scan your WP site for security issues, plugin vulnerabilities, and misconfigurations.

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.
  • WPCheckr Wordpress Security Scan Results
    Wordpress Security Scan Results //
    2025-11-02
  • WPCheckr Wordpress Plugin Scan
    Wordpress Plugin Scan //
    2025-11-02

WPCheckr - Free WordPress Security Scanner

Instantly scan your WordPress site for vulnerabilities, security issues, and misconfigurations.

What is WPCheckr?

WPCheckr is a comprehensive, free WordPress security scanner that helps website owners, developers, and security professionals identify and fix vulnerabilities in their WP sites. Get instant insights into your site's security posture without requiring any installation or configuration.

Key Features

🔍 Comprehensive Vulnerability Detection

  • Plugin Vulnerabilities: Scan installed plugins against the WPScan vulnerability database
  • Theme Security: Detect vulnerable and outdated themes
  • WordPress Core: Check for outdated WP versions with known exploits
  • Security Misconfigurations: Identify common WordPress security issues

🛡️ Security Audits

  • XML-RPC detection and exposure checks
  • Directory listing vulnerabilities
  • Debug mode detection
  • Sensitive file exposure (readme.txt, wp-config backups)
  • Security header analysis (CSP, X-Frame-Options, etc.)
  • User enumeration prevention checks

📊 Advanced Analytics

  • Hackability Score: Get an overall security risk rating
  • Breach Likelihood Assessment: Understand your attack surface
  • Visual Dashboards: Beautiful charts and graphs for security metrics
  • Historical Tracking: Monitor security improvements over time
  • IP Geolocation: View server location and hosting information

🚀 Built for Speed

  • Instant scanning (no account required for basic scans)
  • Real-time vulnerability updates
  • Clean, modern interface
  • Mobile-responsive design

Why Choose WPCheckr?

100% Free - Core scanning features completely free ✅ No Installation - Cloud-based, browser-only scanning ✅ Privacy-Focused - Scans are stored securely with optional Google authentication ✅ Actionable Results - Get fix guides for every detected issue

Start scanning today at wpcheckr.com 🔐

  • 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.

WPCheckr

$ Details
free
Platforms
Wordpress Web Windows MacOS Linux Google Chrome
Release Date
2025 November
Startup details
Country
United States
State
Arizona
City
Phoenix
Founder(s)
Ian
Employees
1 - 9

Cert Decoder

Pricing URL
-
$ Details
free
Platforms
Web
Release Date
-

WPCheckr features and specs

  • Wordpress Security Scan
    Automatically do a full WP scan for vulnerabilities, plugins, and other security risks
  • WP Plugin Scan
    View all plugins a site is using - AND view any vulnerabilities found
  • Wordpress Theme Scan
    See what theme a Wordpress site is using

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 WPCheckr

Overall verdict

  • WPCheckr appears to be a niche tool aimed at WordPress site owners and developers who want to test plugin/theme compatibility and site performance before deploying changes to a live site. Based on its stated purpose, it can be a useful safeguard against conflicts, but as with any specialized tool, its value depends on your specific workflow and how actively it's maintained/updated with WordPress core changes.

Why this product is good

  • Helps catch plugin and theme conflicts before they affect a live site
  • Can save time troubleshooting compatibility issues after updates
  • Provides a testing layer that some hosting environments don't offer natively
  • Useful for agencies managing multiple WordPress sites who need a repeatable QA process

Recommended for

  • WordPress developers who regularly update plugins/themes for client sites
  • Agencies managing multiple WordPress installations needing pre-deployment checks
  • Site owners who have been burned by update-related site breakage in the past
  • Users who want an extra layer of testing beyond basic staging environments

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 WPCheckr and Cert Decoder)
Security & Privacy
100 100%
0% 0
Monitoring Tools
0 0%
100% 100
WordPress
100 100%
0% 0
Website Monitoring
0 0%
100% 100

Questions & Answers

As answered by people managing WPCheckr and Cert Decoder.

What's the story behind your product?

WPCheckr's answer

I started WPCheckr because I couldn't find a good WP check webapp that met my needs!

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?

WPCheckr's answer

I primarily used React to make WPCheckr fast (instant-loading) and modern!

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?

WPCheckr's answer

WPCheckr is focused on Wordpress website owners, whether they're individuals, businesses, or organizations.

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?

WPCheckr's answer

WPCheckr is totally free! And it's more thorough than most WP scans out there.

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?

WPCheckr's answer

  • Small businesses
  • Enterprise business
  • Individuals

Cert Decoder's answer:

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

What makes your product unique?

WPCheckr's answer

WPCheckr gives the entire world a modern, instant-loading, fast-processing Wordpress security scanner. No other free WP security scanner does what we do!

User comments

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

Based on our record, Cert Decoder seems to be more popular. It has been mentiond 1 time 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.

WPCheckr mentions (0)

We have not tracked any mentions of WPCheckr yet. Tracking of WPCheckr recommendations started around Nov 2025.

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 WPCheckr and Cert Decoder, you can also consider the following products

WPScan - WPScan is a free, for non-commercial use, black box WordPress security scanner written for security professionals and blog maintainers to test the security of their sites.

WPScans.com - Free Online WordPress Security Scanner

Wordfence - Comprehensive security plugin for WordPress.

Sucuri Security Scanner - Sucuri Security Scanner is a web-based tool that is used to protect the website from intruders and hackers.

Detectify - Detectify provides a user friendly and thorough web security scan that allows you to focus 100% on web development.

WordPress Security Scanner - Check if your WordPress site has known vulnerabilities