Make picture file size smaller mac

In the Resize and Skew dialog box, select the Maintain aspect ratio check box so that the resized image will have the same aspect ratio as the original picture. If the Maintain aspect ratio check box is selected, you only need to enter the horizontal value width or vertical value height. The other box in the Resize area is updated automatically. Do one of the following in the Resize area, and then click OK :. To resize your picture by a certain percentage, click Percentage , and then enter a percentage to reduce the width by in the Horizontal box, or a percentage to reduce the height by in the Vertical box.

To resize the picture so it's a specific size, click Pixels , and then enter a new width in the Horizontal box, or new height in the Vertical box. Type a new file name in the File name box, and then click Save. In any version of Windows , you can download and install " Image Resizer for Windows " from Microsoft's free open source project hosting website.

Left-click on thumbnail images below to enlarge. Images with more pixels may produce more detail when printed, but they require more disk space to store and may be slower to edit and print. You should keep track of your file sizes to make sure the files are not becoming too large for your purposes. If the file is becoming too large, reduce the number of layers in the image or change the image size.

Image size and resolution Search. Adobe Photoshop User Guide. Select an article: Select an article:. On this page About pixel dimensions and printed image resolution File size About monitor resolution About printer resolution Determine a suggested resolution for an image View the print size onscreen Resampling Change pixel dimensions of an image Change the print dimensions and resolution What affects file size?

TinyJPG – Compress JPEG images intelligently

Applies to: Adobe Photoshop. About pixel dimensions and printed image resolution. Pixel dimensions equal document output size times resolution. Quickly display the current image size. Position the pointer over the file information box, and hold down the mouse button.

Change an image’s dimensions

File size. About monitor resolution. About printer resolution. Screen frequency examples. Determine a suggested resolution for an image.

Mac Tips Preview - Resize a photo or image using Apple Mac OS X Preview Application

Click Auto. For Screen, enter the screen frequency for the output device.

If necessary, choose a different unit of measurement. Note that the screen value is used only to calculate the image resolution, not to set the screen for printing. For Quality, select an option:. Produces a resolution 1. Produces a resolution 2 times the screen frequency. View the print size onscreen. Do one of the following:.

How do I make a picture smaller?

Select the Hand tool or Zoom tool, and click Print Size in the options bar. Resampling pixels. Nearest Neighbor. Bicubic Smoother. Bicubic Sharper. Change pixel dimensions of an image. To maintain the current ratio of pixel width to pixel height, select Constrain Proportions. This option automatically updates the width as you change the height, and vice versa. Under Pixel Dimensions, enter values for Width and Height. To enter values as percentages of the current dimensions, choose Percent as the unit of measurement.

The new file size for the image appears at the top of the Image Size dialog box, with the old file size in parentheses. Make sure that Resample Image is selected, and choose an interpolation method. Be sure you are opening the file you duplicated rather than the original file if they are placed in different locations. Yes No. Not Helpful 0 Helpful 5. What do I do if my picture gets rotated or flipped when I upload it to my Mac? Go through options to get the settings and your picture correct. Not Helpful 0 Helpful 1. Include your email address to get a message when this question is answered.

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Can you please put wikiHow on the whitelist for your ad blocker? Learn how. Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. Co-Authored By:. Co-authors: Updated: March 29, SS Samantha Shucavage Aug 4, I had been trying for hours to set up my email signature through Mail on my Mac, which includes some graphics. No matter what, I did I could not get the size correct - it was always huge.

I finally was able to use preview to resize and get what I needed. Rated this article:. HS Harinder Sethi Nov 30, This article was helpful in doing that. Anjali Sachdev Oct 10, I read the wikiHow article and I did it!