Each social media platform has specific image size requirements. Uploading images that are too large can result in cropping, distortion, or slow loading times. On the other hand, images that are too small might appear blurry or pixelated. By resizing your images to the recommended dimensions for platforms like Instagram, Facebook, or Twitter, you ensure that they look sharp and professional. A good image resizer helps you adjust the size without losing quality, making your content more engaging and visually appealing to your audience.