Modern digital cameras produce photographs with a resolution that far exceeds the display capabilities of monitors and a large file weight. Posting such photos on blogs, forums or social networks can create inconvenience for users who do not have fast Internet access. Therefore, before doing this, you should reduce the size of the photos.
It is necessary
Computer, image processing software
Instructions
Step 1
To compress the size of the picture, use an image processing program. For example, Photoshop or its free counterparts. Run the program and open the desired picture.
Step 2
If the image is large and you need to reduce its size, do this first. This will make the smaller image better. In Photoshop, expand the Image menu and choose Image Size.
Step 3
A window will appear on the screen in which you can specify the appropriate image size in the "Width" and "Height" fields. Click OK. The image will be resized to the specified size.
Step 4
Decide how you want to compress the picture - without loss of quality or quality, you can sacrifice within certain limits. Compressing with the loss of part of the information in the image allows you to get the smallest file size, but artifacts and blurring of the edges will appear in the picture. How noticeable they will be depends on the compression ratio. If you need to save a picture without losing quality, use the.
Step 5
Save the file in the format you want. To do this, click on the "Save As" item located in the "File" menu. Or press the keyboard shortcut Ctrl + Shift + S.
Step 6
In the window that appears, specify the required file format by selecting it in the "Files of type" drop-down list. Change the filename itself if necessary. Click the Save button.
Step 7
If you selected the.
Step 8
If you are compressing a jpeg image, you will need to specify the compression rate at the time of saving. In Photoshop, the amount of compression is set by Quality. The higher the Quality setting, the larger the file size and the less artifacts in the picture. To save an image with a suitable balance of quality and size, check the "Preview" box.
Step 9
A preview of the picture and the file size with the specified compression ratio will be displayed in the save options window. Moving the slider in the "Image parameters" field between the values "small file" and "large file" - select the optimal ratio and click the OK button.
