How can I resize images for my website without losing quality?

Usually, resizing images in Photoshop doesn’t result in any quality loss unless the image is already low resolution and you try to increase its size significantly, which can lead to pixelation.

To resize images for your website without losing quality, follow these professional steps:

• Choose the Right Tools:

Use professional tools like Adobe Photoshop, GIMP, or online tools like TinyPNG or Canva that support high-quality resizing.

Maintain Aspect Ratio:
Ensure the image's original aspect ratio is preserved to avoid distortion.

• Optimize Resolution for Web:

Set the image resolution to 72 DPI, which is ideal for web display, while balancing size and clarity.

• Use Lossless Compression:

Save images in formats like PNG for graphics or JPEG with minimal compression for photos to maintain sharpness while reducing file size.

• Leverage Responsive Image Techniques:

Generate multiple sizes of the same image to serve different devices (e.g., desktop, tablet, mobile) using HTML srcset.

• Use Modern Formats:

Convert images to modern formats like WebP, which offers better compression and quality for web usage.

• Test Before Publishing:

Preview the resized image on different screen sizes and resolutions to ensure it looks clear and professional.

Resizing images effectively ensures faster website load times while maintaining visual appeal.

I suggest that we use Adobe Photoshop and use the crop tool to get the perfect result. This is the correct way to do it, and as far as I know, most photo editors use this method.

The best image format really depends on the type of image and its requirements, such as dimensions and usage.

• For websites, I often recommend the WebP format because it provides excellent quality while keeping file sizes small, especially for complex images like photos. This helps your website load faster.
• For images with limited colors, such as logos or simple text-based graphics, PNG is usually the best choice. PNG preserves quality and handles transparency perfectly.

By choosing the right format for your specific needs, you can optimize both quality and performance effectively.

 online image editors, resize images uploaded to your website without losing quality, make sure the resized images maintain aspect ratio, save images in web-optimized formats such as JPEG, PNG, and Website (to name a few); and apply lossless compression using Tiny PNG: 

Depending on the complexity of the image and the size required an option might be to recreate the image. Otherwise, I use Neural Filters in Adobe Photoshop coupled with Noise and Sharpness filters added afterwards if necessary.