
JSON Formatter & Validator
DevTools Advanced
JSONFormatter.org
FreeFormatter
JSON Editor Online
SmallDevTools
TheDevTools
FOSS tools for developers

HardwareTest.org
Keyboard Tester Pro
Device-Test
RigPolice
gamepadtest.tech
HardwareTestingPro
DeviceCheck HQ
Test your mouse, keyboard, and audio hardware right in the browser. 100% free, no download required.
Which is more popular?
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | developertools.tech | setuptester.com |
| Pricing | ||
| Platforms | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of DeveloperTools.Tech yet.
SetupTester is a lightweight, 100% free web utility designed to help gamers and professionals instantly diagnose hardware issues without downloading sketchy third-party software. Built entirely with vanilla JavaScript for zero-latency testing, the suite includes: Mouse Double-Click Tester:...
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
No analysis of SetupTester yet.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DeveloperTools.Tech and SetupTester.
SetupTester's answer:
SetupTester is a lightweight, 100% free web utility designed to help gamers and professionals instantly diagnose hardware issues without downloading sketchy third-party software.
SetupTester's answer:
Lightning fast and free.
Share your experience with using DeveloperTools.Tech and SetupTester. For example, how are they different and which one is better?
When comparing DeveloperTools.Tech and SetupTester, you can also consider the following products.

The JSON Formatter was created to help with debugging.
Compare JSON Formatter & Validator to DeveloperTools.Tech or SetupTester:

Test monitors, keyboards, mice, audio devices, controllers, and click speed. Fast, free, and no installation.
Compare HardwareTest.org to DeveloperTools.Tech or SetupTester:

A collection of developer tools in one place in your browser
Compare DevTools Advanced to DeveloperTools.Tech or SetupTester:

Free Online Keyboard Testing Tool
Compare Keyboard Tester Pro to DeveloperTools.Tech or SetupTester:

Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
Compare JSONFormatter.org to DeveloperTools.Tech or SetupTester:

Privacy-first device tests for microphones, cameras, screens, speakers, sensors, and more — right in your browser.
Compare Device-Test to DeveloperTools.Tech or SetupTester: