
FlipClock
FlipClock.info
A Flip Clock
The Flip Clock
Fliqlo Screensaver
Tick Clock Online
A minimalist flip clock, focus timer, and ambient sound app for productivity.

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 | oneflipclock.com | certdecoder.com |
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In their own words, as submitted to SaaSHub.


A minimalist, aesthetic online flip clock with seconds. No download needed. Full screen mode works as a perfect screensaver for Mac, Windows, and iPad. Features Pomodoro timer and retro themes.
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 OneFlipClock and Cert Decoder.
OneFlipClock's answer
No specific story (e.g., development background, founder motivations, or creation inspiration) of OneFlipClock is available from the provided resources.
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.
OneFlipClock's answer
Specific primary technologies for OneFlipClock are not specified, though front-end technologies for animations, responsive layouts, and real-time time synchronization are reasonably inferred.
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
OneFlipClock's answer
The primary audience of OneFlipClock is office/remote professionals, home users, retro aesthetic enthusiasts, and those who prioritize convenient, app-free, and visually appealing time tools.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
OneFlipClock's answer
A person should choose OneFlipClock over competitors for its hassle-free app-free use, superior personalization, immersive sensory experience, dual tool-decor functionality, and consistent cross-platform performance.
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.
OneFlipClock's answer
No specific biggest customers of OneFlipClock are mentioned in the available information.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
OneFlipClock's answer
OneFlipClock is unique for its blend of retro flip clock aesthetics and modern functionality, including instant online access, cross-platform compatibility, rich personalization options, immersive page-turning effects, and dual utility as a time tool and decor.
Share your experience with using OneFlipClock 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 OneFlipClock since Jan 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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