How to Open Multiple URLs at Once for Free in 2026 (Bulk URL Opener)
Copy-pasting URLs one by one is a productivity killer. Here's how to open dozens at once — each at the exact window size you need.
Aug 11, 202613 min read7
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Articles tagged with #developer-tools
How to Test Your Website at Any Screen Resolution for Free in 2026
Responsive design only works if you actually test it at the right sizes. Here's the fastest way to simulate any device resolution without owning the device.
Jul 25, 202618 min read10
What is My Screen Resolution? How to Check Your Display Info for Free in 2026
Your screen resolution affects everything from how websites render to how sharp your visuals look. Here's how to find yours instantly — and what the numbers actually mean.
Jul 19, 202616 min read5
What is URL Encoding? How to Encode and Decode URLs for Free in 2026
Ever seen a URL turn into a mess of %3A and %2F characters? That's not a bug. Here's exactly what it means — and how to convert it instantly.
May 16, 202613 min read7
What Are HTTP Headers? How to Check Any Website's HTTP Headers Free in 2026
Every website response carries a hidden envelope of technical data. Here's how to read it — and why it matters more than most developers realize.
May 13, 202616 min read26
How to Ping a Website Online for Free in 2026 (And What the Results Actually Mean)
Is that website down — or is it just you? A ping test tells you in 3 seconds.
May 10, 202615 min read9