File size after adding watermarks to gd-PHP Images

The problem now is that the size of the image increases a lot after using PHP to upload the image and watermark it. how to add the watermark without losing the image quality (currently using GD processing) 1. try to avoid distortion 2. the problem that the size of the image file should not exceed the size of the original image is that the image size increases greatly after the image is uploaded and watermark using PHP, how to add a watermark without losing the image quality (currently, GD processing is used)

1. 1. Try not to be distorted
2. 2. Try not to exceed the size of the original image

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The problem now is that the size of the image increases a lot after using PHP to upload the image and watermark it. how to add the watermark without losing the image quality (GD processing is currently used)

1. 1. Try not to be distorted
2. 2. Try not to exceed the size of the original image

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Use ImagIck extension.