By Image Resiz A screenshot that looks sharp in a file viewer can become hard to read inside a tutorial. Check the display size before changing compression settings. A 1,440-pixel-wide screenshot squeezed into a 360-pixel article column draws each four source pixels into roughly one display pixel. Menu labels may be too small even if the file is lossless. Crop to the task. If the reader needs…

Before unplugging the router, pick two places where coverage matters to you. A work desk and a TV are better reference points than the hallway where nobody uses the network. From each location, run our WiFi speed test on the same device and record the time, download speed and upload speed. Move the router to one practical alternative location. Keep the device, WiFi band and test spots the same…