
DevToys
AllTools.dev
duckTyped.xyz
DeveloperToolStack
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CrispToolHub
Bodev
135+ free browser-based developer tools — no signup, private.

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 | alldevtoolshub.com | certdecoder.com |
| Pricing | ||
| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of AllDevToolsHub 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
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 AllDevToolsHub and Cert Decoder.
AllDevToolsHub's answer
It was born out of Developer Frustration. The founder was tired of having to search for a new website every time they needed a simple Base64 decode or JSON format, only to find sites littered with ads, slow loading times, or suspicious data-handling practices. AllDevToolsHub was created to be the definitive, open-standard hub for the tools developers actually use, built with a "Privacy by Default" engineering mindset.
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.
AllDevToolsHub's answer
AllDevToolsHub is built using a modern, performant stack:
Framework: Next.js (App Router) for a fast, SEO-optimized core. Language: TypeScript for robust, type-safe tool logic. Styling: Tailwind CSS for a sleek, responsive UI. Animations: Framer Motion for smooth, premium user interactions. Engine: Pure client-side JavaScript/WebAssembly for all tool processing.
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
AllDevToolsHub's answer
Security-conscious developers and power users. Our primary audience consists of Software Engineers (Frontend, Backend, DevOps) who handle sensitive data daily and are wary of "SaaS-ified" simple utilities that require accounts or send data to opaque backends. It's built for those who want a "un-bloated" utility belt that just works.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
AllDevToolsHub's answer
Because of the Triangle of Value: Speed, Privacy, and Breadth.
Speed: No upload or download latencies; processing happens at the speed of your local CPU. Privacy: Zero server interaction means zero data leakage risks and zero data collection. Breadth: You get 260+ tools (and counting) in a single, unified, high-performance interface with no "signup walls" or usage limits.
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.
AllDevToolsHub's answer
Because we are a Privacy-First platform, we do not track our users or require signups, which means we don't have a "customer list" in the traditional sense. However, the platform is widely used by independent developers, security researchers, and engineering teams at startups and Fortune 500 companies who mandate local-only processing for internal data handling.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
AllDevToolsHub's answer
t is Local-First and Privacy-Native. While most online tools proxy your sensitive data through their servers, AllDevToolsHub executes 100% of its logic directly in your browser using client-side JavaScript. Your data—whether it's a JWT, a production log, or a private PDF—never leaves your device. This eliminates the "security leap of faith" required by traditional cloud-based utilities.
Share your experience with using AllDevToolsHub 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 AllDevToolsHub since Apr 2026.
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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