Crop too much and your video clip will look blurry, blocky, and edges will look stair-stepped. This means that if you crop a video clip, to remove something you don't like, the remaining pixels are often enlarged to fill the frame.

Unlike still images which can be thousands of pixels on a side, video clips are locked into one of these two sizes. You May Also Like: How to Crop GIF Images > Master your iPhone in one minute a day: Sign up here to get our FREE Tip of the Day delivered right to your inbox.However, before I show how this is done, I need to explain one really important fact about video: all video uses what's called 'fixed resolution.' Fixed resolution means that high-definition video is always displayed at one of two sizes: There's a lot to explore! For basic photo editing, it’s all you may ever need. You can also resize, add text, rotate, adjust colors, remove the background, sign a document, or even extract part of an image and paste it on top of another image using Smart Lasso. The picture cropping tool is just one of the useful features in Preview. If you don't like your cropped photo, simply click on Edit and select Undo Crop to start over.You can also press Command+K on your keyboard to complete the crop. Once you have set your crop border, click the Crop icon.If needed, you can continue to adjust the selected area to be cropped by clicking and dragging one of the blue dots.Eight expandable blue dots will appear over your selected area, and everything on the outside of the border will be cropped out. Click and drag the mouse over the area of the image you would like to keep.You can choose Rectangle, Elliptical, or Lasso (the Lasso and Smart Lasso options allow you to freehand any shape you want).Click the Selection Tool icon to choose what shape your cropped image or PDF will be.Click the Show Markup Toolbar icon to reveal your editing tools.If you have another software set as your default editor, you can also right-click on the image, select Open With and then click Preview.Double-click to open the image you would like to crop.Now, let's cover how to crop photos on Mac using the Preview app.

For more tips on Mac editing tools, consider signing up for our free Tip of the Day newsletter. However, many users miss the cropping tool because it is not initially visible when you first open Preview. It is the default program for viewing images and PDF files on Macs. Most likely you have already used the Preview app countless times, maybe even without realizing it. How to Crop an Image on Mac Using Preview

Easily crop a rectangle, oval, or your own custom shape.

Utilize Apple’s native editing tool, with n o need for third-party apps.

Crop image mac