How to reduce the photo to 10k?

It can be adjusted by Photoshop software.

Tools: computer, win 10 system version.

1. Take PS CS6 version as an example. After opening the software, click "File" at the top left of the page and select "Open" in the pop-up box.

2. After opening the picture to be adjusted, click "Image" at the top of the page and select "Image Size" in the pop-up box.

3. You can see the current pixel size of the photo in the image size setting box.

4. Adjust the width below the pixel, and the pixel will change accordingly. As shown in the figure, if the width is adjusted to 100K, you can see that the pixel size is adjusted to about 29K.

5. To adjust it to around 10K, continue to reduce the width. As shown in the figure, after the width is adjusted to 60K, the pixel size will become about 10K. Click OK on the right, and then save the picture.