
Process Hacker
ShareX
Ninite
FreeFileSync
MPV
Ditto
Lossless Cut
SuperF4 kills the foreground program when you press Ctrl+Alt+F4.

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, SuperF4 seems to be a lot more popular than Cert Decoder. While we know about 40 links to SuperF4, we've tracked only 1 mention of Cert Decoder.
Website, pricing, platforms and company facts side by side.
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| Website | stefansundin.github.io | certdecoder.com |
| Pricing | ||
| Platforms | — | |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of SuperF4 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.


No analysis of SuperF4 yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
superF4 software
No Cert Decoder videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing SuperF4 and Cert Decoder.
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.
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
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
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.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Share your experience with using SuperF4 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 properly close the game without failing your current mission, you will need to download SuperF4. It's a super-lightweight app that makes it so that if you press ctrl+alt+F4, it terminates the foreground process completely and... Source: about 3 years ago
I'm using this program called SuperF4, then you press ALT+SHIFT+F4 and instantly close the game, no questions asked and it's super fast. Source: over 3 years ago
Yeah, alt-F4 worked before the latest patch. If you do it now, the game will intercept it, save the game (e.g. Mark as a fail), then close. Task manager or (if you don't mind a third party app) SuperF4 work well. Source: over 3 years 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
When comparing SuperF4 and Cert Decoder, you can also consider the following products.

Process Hacker is a feature-packed tool for manipulating processes and services on your computer.
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ShareX is a free and open source program that lets you capture or record any area of your screen...
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FreeFileSync is a free open source data backup software that helps you synchronize files and folders on Windows, Linux and macOS.
Compare FreeFileSync to SuperF4 or Cert Decoder:

MPV is an audio and movie player based on MPlayer and mplayer2. A free, open source, and cross-platform media player.
Compare MPV to SuperF4 or Cert Decoder:

Easy to use interface; Search and paste previous copy entries; Keep multiple computer's clipboards in sync; Data is encrypted when sent over the network; Accessed from tray icon or global hot key; Select entry by double click, enter key or drag drop…
Compare Ditto to SuperF4 or Cert Decoder: