
Taplio
Resume Worded
AuthoredUp
Linkedin Profile Optimizer
traxy.ai
RANKLN
Talvet AI
Don't get overlooked by recruiters. Get a free AI score for your LinkedIn profile and fix your Headline, About, Experience and Skills sections instantly

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

Which is more popular?
Based on our record, Cert Decoder seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | linkedoptimizer.ai | certdecoder.com |
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| Platforms | — | |
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In their own words, as submitted to SaaSHub.


No description of LinkedOptimizer.AI 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.
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing LinkedOptimizer.AI and Cert Decoder.
LinkedOptimizer.AI's answer
LinkedOptimizer.AI was built to solve the "Black Box" problem of LinkedIn visibility. Too many talented professionals have great experience but poor profiles, causing them to be invisible to recruiters. We realized that expensive career coaches were the only ones holding the "keys" to optimization. We built this tool to democratize that knowledge, using AI to give every professional a fair chance to be seen, scored, and hired based on their true potential, not just their ability to write a bio.
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.
LinkedOptimizer.AI's answer
LinkedOptimizer.AI is a modern, high-performance web application built with:
Backend: Python & Flask (for robust data processing and scraping).
Frontend: Tailwind CSS (for a fast, mobile-responsive UI).
Infrastructure: Firebase (for secure hosting and real-time database management).
AI: Advanced LLMs (for generating contextual, human-like profile recommendations).
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
LinkedOptimizer.AI's answer
Our primary audience consists of active job seekers and career-growth professionals who feel their hard work is going unnoticed. This includes:
-Tech & SaaS Professionals looking to beat the competition. -Passive Candidates who want to increase their visibility to recruiters without actively applying. -Career Changers who need help translating their past experience into keywords that match their new industry.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
LinkedOptimizer.AI's answer
Choose LinkedOptimizer.AI for speed, specificity, and accessibility.
-It's Instant & Frictionless: No complex onboarding. Just enter your URL to get an immediate audit.
-Section-Level Granularity: Unlike generic checkers, we break down your score by Headline, About, Experience, and Skills, giving you actionable fixes for each specific block.
-Recruiter-Aligned: Our feedback is modeled on how real hiring managers evaluate talent, moving beyond simple "ATS compatibility" to help you appeal to human decision-makers.
Generous Free Tier: We believe every job seeker deserves to know where they stand, so our core scoring features are free.
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.
LinkedOptimizer.AI's answer
We are currently serving a rapidly growing community of individual professionals and early adopters across the Technology, Sales, and Marketing sectors. Our users range from junior developers to senior executives looking to refine their personal brand. (As a B2C platform, we serve individual users rather than enterprise accounts).
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
LinkedOptimizer.AI's answer
LinkedOptimizer.AI is distinct because it democratizes access to "recruiter-level" profile auditing. While other tools focus heavily on resumes or charge high fees for basic insights, we provide a comprehensive AI Profile Score and section-level grading entirely for free. Our AI doesn't just check for grammar; it is trained on hiring best practices to analyze the specific ranking signals—like keyword density and headline structure—that recruiters actually look for.
Share your experience with using LinkedOptimizer.AI and Cert Decoder. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking LinkedOptimizer.AI since Dec 2025.
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
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