SSL validation is a crucial step in securing websites and online communications.
Here, SSL validator tools help users to ensure their website’s SSL certificates are properly installed, valid, and secure, preventing potential security risks and enhancing trust with visitors.
Without proper validation, websites become vulnerable to cyber threats like data breaches, phishing, and man-in-the-middle attacks.
Organizations, businesses, and website owners must ensure that their SSL certificates are properly installed, up-to-date, and functioning correctly.
In this article, we have curated a list of free and paid SSL check tools for 2025, helping you choose the best option to ensure your website’s security and performance.
Top 10 Best SSL Checker Tools
1. SSL Labs by Qualys
SSL Labs by Qualys is a powerful tool that analyzes SSL certificates and provides a security rating from A+ to F.
It checks for weak encryption, expired certificates, and overall SSL security. Many IT professionals and security experts use this tool to ensure their websites are safe.
While it offers deep insights, beginners may find the reports a bit complex. The tool is free and widely trusted for SSL testing.
Top Features
- Deep SSL Analysis – Checks for weak cipher suites, expired certificates, and protocol support.
- Grade-Based Security Report – Easily understand SSL health.
- Free & Online – No installation required.
Pros
✔️ Comprehensive and detailed reports.
✔️ Completely free to use.
✔ ️ Easy-to-understand grading system.
Cons
❌ The analysis takes longer compared to some other tools.
❌ Requires technical knowledge to understand in-depth reports.
| Feature | Details |
| Launch Date | 2010 |
| Starting Price | Free |
| Capabilities | SSL certificate analysis, grading system |
| Public Reception | Highly rated for accuracy and depth |
| Best For | IT professionals, security teams |
| Weakness | Slow response time |
2. SSL Checker by SSL Shopper
SSL Checker by SSL Shopper is a simple yet effective tool that allows users to verify their SSL certificate details.
It helps detect issues such as mismatched domain names, expired certificates, and untrusted authorities.
The tool is great for small business owners and bloggers who want to ensure their website is secure.
Top Features
- Instant SSL Checking – Enter your domain and get SSL details immediately.
- Expiration Alerts – Helps avoid expired certificates.
- No Signup Required – Instant access.
Pros
✔️ User-friendly and fast.
✔️ Detects expiration and trust issues easily.
✔️ Free to use.
Cons
❌ Lacks advanced SSL vulnerability analysis.
❌ Doesn’t provide deep encryption details.
| Feature | Details |
| Launch Date | 2012 |
| Starting Price | Free |
| Capabilities | SSL validation, expiration check |
| Public Reception | Good for quick checks |
| Best For | Website owners, small businesses |
| Weakness | Limited security analysis |
3. Why No Padlock?
Why No Padlock? helps website owners detect mixed content issues that prevent HTTPS from displaying properly.
Sometimes, websites have SSL certificates but still show security warnings due to unsecured elements like images or scripts.
This tool identifies those issues and helps fix them. It’s very useful for developers and digital marketers but doesn’t provide in-depth SSL security reports.
Top Features
- Detects Mixed Content – Finds non-HTTPS elements causing security warnings.
- Easy-to-Use – Just enter the URL, and it scans for issues.
- Reports Redirect Issues – Helps identify HTTP-to-HTTPS transition problems.
Pros
✔️ Great for diagnosing mixed content issues.
✔️ Simple and beginner-friendly.
✔️ Free to use.
Cons
❌ Lacks deep SSL certificate analysis.
❌ Doesn’t provide a security grading system.
| Feature | Details |
| Launch Date | 2013 |
| Starting Price | Free |
| Capabilities | Mixed content detection, redirect analysis |
| Public Reception | Popular among web developers |
| Best For | Troubleshooting mixed content issues |
| Weakness | Limited SSL certificate insights |
4. SSL Certificate Checker by Namecheap
Namecheap’s SSL Certificate Checker is a simple and effective tool for verifying SSL certificates.
It helps website owners ensure that their SSL is valid, correctly installed, and not near expiration.
However, it lacks advanced security testing features like vulnerability scanning and encryption strength analysis.
Top Features
- Quick SSL Verification – Enter your domain to check SSL status.
- Expiration Warning – Avoid service disruptions due to expired certificates.
- Chain Verification – Checks if the SSL certificate chain is complete.
Pros
✔️ Fast and easy to use.
✔️ Provides basic SSL health information.
✔ ️ Free for everyone.
Cons
❌ No in-depth security analysis.
❌ Lacks advanced vulnerability detection.
| Feature | Details |
| Launch Date | 2015 |
| Starting Price | Free |
| Capabilities | SSL validation, expiration check |
| Public Reception | Good for basic SSL checks |
| Best For | Website owners, IT managers |
| Weakness | Lacks deep security insights |
5. DigiCert SSL Tools
DigiCert offers a set of SSL validation tools for checking certificate installation, generating CSR requests, and scanning TLS security.
It’s highly trusted by enterprises and IT professionals. The tool ensures that SSL certificates are correctly configured, reducing security risks.
While DigiCert provides excellent SSL analysis, some features require technical knowledge and are not beginner-friendly.
Top Features
- Certificate Installation Checker – Ensures SSL is set up correctly.
- CSR Generation Tool – Helps create SSL certificate requests.
- TLS Scanner – Checks for outdated encryption protocols.
Pros
✔️ Comprehensive SSL tools in one place.
✔️ Supports various SSL-related checks.
✔️ Trusted by enterprises.
Cons
❌ Some tools require technical knowledge.
❌ Not all features are free.
| Feature | Details |
| Launch Date | 2016 |
| Starting Price | Free & Paid options |
| Capabilities | SSL validation, installation check, vulnerability scanning |
| Public Reception | Trusted by enterprises |
| Best For | IT professionals, security teams |
| Weakness | Can be too technical for beginners |
6. SSL Checker by GoDaddy
GoDaddy’s SSL Checker is a free tool designed to verify SSL certificate installation and detect any configuration issues. It’s especially useful for GoDaddy customers but works for any domain.
The tool helps identify expired certificates and missing security elements. It’s free to use, but it lacks deep vulnerability analysis compared to other SSL testing tools.
Top Features
- Quick SSL Validation – Instantly checks if SSL is properly installed.
- Certificate Chain Verification – Ensures the SSL chain is complete.
- Expiration Notifications – Helps prevent SSL downtime.
Pros
✔️ Fast and simple SSL checking.
✔️ No signup required.
✔️ Works with all SSL providers.
Cons
❌ Lacks deep vulnerability analysis.
❌ Primarily designed for GoDaddy customers.
| Feature | Details |
| Launch Date | 2017 |
| Starting Price | Free |
| Capabilities | SSL installation check, expiration tracking |
| Public Reception | Well-received by GoDaddy users |
| Best For | Website owners, IT teams |
| Weakness | Limited security analysis |
7. Geekflare SSL Test
Geekflare’s SSL Test is a powerful online tool that not only checks SSL certificate validity but also evaluates encryption strength and server configuration.
It provides detailed insights for IT professionals and security teams. This tool is great for those who need a deep SSL security analysis, but it may be too technical for non-experts.
It’s free and offers a thorough assessment of SSL configurations.
Top Features
- Encryption Strength Analysis – Ensures strong SSL encryption.
- Certificate Expiration Alerts – Avoids SSL disruptions.
- Protocol & Cipher Suite Testing – Detects weak encryption settings.
Pros
✔️ Comprehensive SSL testing.
✔️ Easy-to-read reports.
✔️ Free and fast.
Cons
❌ Some tests require technical knowledge.
❌ Doesn’t provide a grading system like SSL Labs.
| Feature | Details |
| Launch Date | 2018 |
| Starting Price | Free |
| Capabilities | Encryption analysis, protocol testing |
| Public Reception | Popular among security professionals |
| Best For | IT teams, developers |
| Weakness | May be too advanced for beginners |
8. Site24x7 SSL Checker
Site24x7 provides a cloud-based SSL validation tool that checks certificate expiration, chain validity, and overall SSL security.
It helps IT admins and security teams monitor certificate expiration and ensure proper SSL configurations.
The tool is useful for enterprises managing multiple websites but may be overwhelming for beginners.
Top Features
- Multi-Domain SSL Checking – Validates SSL for multiple domains.
- Certificate Chain Analysis – Ensures proper SSL hierarchy.
- Alerts & Notifications – Warns of upcoming expiration.
Pros
✔️ Supports multi-domain SSL checking.
✔️ Automated expiration alerts.
✔️ Free to use.
Cons
❌ No deep vulnerability scanning.
❌ Interface can be complex for new users.
| Feature | Details |
| Launch Date | 2019 |
| Starting Price | Free |
| Capabilities | Multi-domain SSL validation, expiration alerts |
| Public Reception | Highly rated for enterprise use |
| Best For | IT teams, security analysts |
| Weakness | Not beginner-friendly |
9. Wormly SSL Checker
Wormly SSL Checker is a fast and simple tool that instantly checks SSL certificates. It is designed for small business owners, bloggers, and non-technical users.
The tool verifies SSL installation and detects basic security issues. However, it does not provide in-depth encryption analysis or automated security alerts.
Top Features
- Instant SSL Testing – No waiting time.
- Server Configuration Checks – Ensures proper setup.
- No Sign-Up Required – Quick access.
Pros
✔️ Fast and lightweight.
✔️ Easy for beginners.
✔️ Free to use.
Cons
❌ No deep security analysis.
❌ Lacks automation features.
| Feature | Details |
| Launch Date | 2020 |
| Starting Price | Free |
| Capabilities | SSL validation, basic server checks |
| Public Reception | Well-received for its simplicity |
| Best For | Small business owners, bloggers |
| Weakness | Limited security insights |
10. ImmuniWeb SSL Test
ImmuniWeb SSL Test is a high-level security tool that checks SSL compliance with GDPR, PCI DSS, and other regulations.
It provides detailed security insights, making it a great choice for enterprises and cybersecurity teams.
The tool offers strong security analysis, but it may be too complex for casual website owners.
Top Features
- Compliance Testing – Checks for GDPR, PCI DSS compliance.
- Detailed Security Report – Provides deep insights.
- Free & Quick Analysis – Accessible to all users.
Pros
✔️ Ideal for compliance testing.
✔️ High-level security insights.
✔️ Trusted by cybersecurity experts.
Cons
❌ Requires some technical knowledge.
❌ Can be overwhelming for casual users.
| Feature | Details |
| Launch Date | 2021 |
| Starting Price | Free |
| Capabilities | Compliance testing, security audit |
| Public Reception | Highly trusted by cybersecurity professionals |
| Best For | Security teams, enterprises |
| Weakness | Can be too complex for beginners |
Conclusion
SSL Validator Tools are essential for website security, helping to ensure that SSL certificates are correctly installed, valid, and secure. These tools help website owners, IT professionals, and security teams prevent data breaches and enhance trust. Whether you need a simple SSL check or a deep security analysis, there’s a tool for every need.
FAQs
1. What is an SSL validator tool?
An SSL validator tool checks if a website’s SSL certificate is properly installed, valid, and secure. It helps identify issues like expired certificates, weak encryption, and mixed content errors.
2. Why do I need to check my SSL certificate?
Checking your SSL certificate ensures your website is secure, prevents security warnings, and protects users’ data. It also improves trust and can boost SEO rankings.
3. Which SSL validator tool is best for beginners?
For beginners, SSL Checker by SSL Shopper and Wormly SSL Checker are simple and easy-to-use tools for quick SSL validation.
4. Can SSL validator tools detect vulnerabilities?
Yes, advanced tools like SSL Labs by Qualys, DigiCert SSL Tools, and ImmuniWeb SSL Test can detect vulnerabilities, weak encryption, and compliance issues.
5. Are these SSL validator tools free?
Most SSL validator tools, including SSL Labs, SSL Checker by SSL Shopper, and Why No Padlock?, are free. Some advanced tools offer paid features for deeper security analysis.
