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Toolzr offers a range of free, open-source, and online web tools ideal for web developers, professionals, and tech enthusiasts.

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, Toolzr should be more popular than Cert Decoder. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | toolzr.com | certdecoder.com |
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| Company | 2023 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Toolzr is a collection of free, user-friendly online tools designed to streamline tasks and boost productivity. Developers, writers, designers, and anyone seeking quick solutions will find Toolzr’s simple and efficient tools perfect for getting the job done faster. Web Tools: Lorem Ipsum...
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
Walkthroughs and reviews on video.
Welcome to Toolzr
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Toolzr and Cert Decoder.
Toolzr's answer
Toolzr stands out for its simplicity and accessibility. It provides a variety of free, user-friendly web tools that cater to everyday tasks like text manipulation, password generation, and URL optimization. With a clean interface, no sign-ups required, and tools that work instantly, Toolzr is designed to make productivity seamless and straightforward.
Toolzr's answer
Toolzr offers a streamlined experience with tools that are easy to use and accessible to everyone, whether you're a professional or just someone looking for quick solutions. It’s free, open-source, and continuously improved with input from the community. Unlike some competitors, Toolzr focuses on simplicity, mobile usability, and accessibility.
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.
Toolzr's answer
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Toolzr's answer
Toolzr’s primary audience includes developers, writers, students, designers, and anyone looking for reliable, easy-to-use online tools. Whether they need to organize text, generate passwords, or clean URLs, Toolzr helps users accomplish tasks quickly without unnecessary complexity.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Toolzr's answer
Toolzr was created out of the desire to offer simple, effective tools that help users improve their productivity without the clutter of unnecessary features. The project started in late 2023, with a commitment to making useful digital solutions accessible to everyone for free, and it has grown into a platform that’s constantly evolving to meet the needs of its users.
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.
Toolzr's answer
Toolzr is built using basic but effective web technologies: HTML5, JavaScript, CSS. These technologies provide a fast, responsive, and mobile-friendly experience, ensuring that Toolzr is accessible and easy to use on any device.
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
Share your experience with using Toolzr 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.


To combat this, we’ve built the Character Identifier tool on Toolzr. It helps developers, security professionals, and system administrators analyze text and detect hidden character substitutions that could indicate phishing attempts. - Source: dev.to / over 1 year ago
Toolzr remains committed to its mission: simplifying tasks for developers and professionals everywhere. Check out the Toolzr platform, and discover how it can make your workflow more efficient. - Source: dev.to / over 1 year ago
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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