There are many ways to compress an image in Photoshop without losing quality. One way is to use the Save for Web & Devices feature. With this feature, you can select the file format, quality, and size of the image.
Another way to compress an image is to use the Export As feature.
PRO TIP: When compressing an image in Photoshop, it is important to remember that there is a trade-off between file size and image quality. In general, the larger the file size, the better the quality of the image. However, if you are looking to compress an image without losing quality, there are a few things to keep in mind. First, make sure to use the “Save for Web” feature in Photoshop, which will allow you to control the amount of compression applied to the image. Second, try to avoid using lossy compression methods, such as JPEG, which will reduce the quality of the image. Finally, be sure to export the image at a high resolution (300 DPI or higher) to ensure that the compressed image retains its quality.
The last way to compress an image is to use the Save As feature.
To sum up, there are many ways to compress an image in Photoshop without losing quality. You can use the Save for Web & Devices feature, the Export As feature, or the Save As feature.