Useful Free Online Tools Every Developer & User Should Know

Badar Ahmed — Sun, 26 Apr 2026 15:03:03 +0000

We often talk about frameworks, APIs, and coding practices but sometimes, simple tools solve real problems faster than complex solutions.

While working on different projects, I realized that many everyday tasks (like testing a keyboard or generating a payslip) require quick, reliable tools. That’s one of the reasons I started building and collecting utilities on my site.

Here are a few tools I’ve found genuinely useful.

⌨️ 1. Keyboard Checker

Ever had a key on your keyboard that felt broken but you weren’t sure?

A keyboard checker helps you:

Test every key in real time
Detect unresponsive or stuck keys
Troubleshoot hardware issues instantly

This is especially helpful for developers, gamers, or anyone buying a used keyboard.

🎮 2. Gamepad Checker

If you use controllers for gaming or development, testing inputs is important.

A gamepad checker lets you:

Verify button inputs
Check analog stick movement
Ensure compatibility with your system

It’s a quick way to confirm your controller is working properly before jumping into a game or app testing.

🧾 3. Payslip Generator

Creating payslips manually can be time-consuming.

With a payslip generator, you can:

Instantly create professional salary slips
Customize details like earnings and deductions
Save time for freelancers or small businesses

This is particularly useful if you need quick documentation without complex software.

🌍 4. Arabic Keyboard Tool

Typing in different languages isn’t always convenient with physical keyboards.

An Arabic keyboard tool helps you:

Type Arabic without installing additional software
Copy and use text instantly
Improve accessibility for multilingual users
🌐 Why I Put These Tools Together

Instead of searching for different websites every time, I decided to bring useful tools into one place:

👉 https://techtester.online

The idea is simple:

Fast
Free
No unnecessary clutter

Just tools that work when you need them.

💡 Final Thoughts

Not every solution needs a complex setup. Sometimes, small tools make the biggest difference in productivity.

If you frequently test devices, generate documents, or work with multiple input systems, having quick-access tools can save a lot of time.

DEV Community: Badar Ahmed

Useful Free Online Tools Every Developer & User Should Know