
gamepadtest.tech
Gamepad Tester
GamepadTester.co
HardwareTest.org
cyberfanatix.com
My Gamepad Tester
Gamepad Test
Test Xbox, PlayStation, Switch and PC controllers online. Check buttons, sticks, drift, deadzone, polling rate, triggers and vibration, then export a report.

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 | controllertestonline.com | certdecoder.com |
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| Company | 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Controller Test Online is a free browser-based tool for testing game controllers directly online. It helps users check controller buttons, joysticks, triggers, D-pad input, connection status, and possible stick drift without downloading or installing any software. The tool is useful for PC...
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 Controller Test Online and Cert Decoder.
Controller Test Online's answer
Controller Test Online was created to make game controller testing easier and more accessible. Many users experience controller issues such as stick drift, broken buttons, or connection problems, but they do not always want to install software just to run a quick test. The goal of this tool is to provide a simple online controller tester that works directly in the browser.
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.
Controller Test Online's answer
Controller Test Online is built with modern web technologies, including HTML, CSS, JavaScript, and the browser Gamepad API. The tool runs directly in the browser and reads controller input locally to display button states, joystick movement, trigger values, and connection status.
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
Controller Test Online's answer
The primary audience includes PC gamers, Steam users, Xbox and PlayStation controller users, hardware reviewers, repair shops, and anyone who wants to test a game controller online. It is especially useful for people who want to check controller input problems, broken buttons, trigger issues, or possible stick drift.
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Controller Test Online's answer
A person should choose Controller Test Online because it is fast, free, and works directly in the browser. It focuses on practical controller diagnostics, including button input, analog stick movement, trigger values, and stick drift checks. It is useful when users want a quick way to confirm whether a controller is working properly before changing settings, troubleshooting, repairing, or replacing it.
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.
Controller Test Online's answer
Cert Decoder's answer:
certdecoder.com is primarily built for developers, sysadmins, cybersecurity enthusiasts, and DevOps engineers.
Controller Test Online's answer
Controller Test Online is a simple browser-based tool focused on fast game controller testing. It allows users to check buttons, joysticks, triggers, D-pad input, connection status, and possible stick drift without downloading software or installing drivers. The tool is designed to be accessible, lightweight, and easy to use for everyday gamers.
Share your experience with using Controller Test Online 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 Controller Test Online since Jun 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
When comparing Controller Test Online and Cert Decoder, you can also consider the following products.

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Gamepad tester is an online tool to test controller for detection, button press, stick drift and more. PS4, PS5, Xbox & many generic controllers are supported.
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Test monitors, keyboards, mice, audio devices, controllers, and click speed. Fast, free, and no installation.
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Test your game controller with this free online gamepad tester. Works with PS4, PS5, Xbox, and more. See button inputs, joystick movements, and vibration in real time.
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Test your gamepad online for free. Diagnose controller issues, test buttons, joysticks, triggers, and fix stick drift. Supports Xbox, PlayStation, Nintendo controllers.
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