How To Make A File Size Smaller On Mac

If an image is too large, you lot can reduce its size in two means. You can resize and reduce the resolution, or you can export it in a lower quality. Here'south how to resize or reduce photograph size on Mac.

You don't need to utilize a tertiary-party app to do this on your Mac. It tin can be done using the versatile, congenital-in Preview image editing app.

How to Reduce Photo Size by Reducing Resolution

The fastest manner to reduce the photograph size is by reducing the photo resolution. If a website or an application has an upper limit for a photo file size, commencement, endeavor reducing the resolution.

Using the Preview app, you tin exercise this for one image at a time or for multiple images at once. Kickoff, open the Finder app and locate the paradigm (or images) that you want to resize. Then, simply double-click the file to open it in Preview.

Double-Click the image to open it in Preview.

If Preview is not ready equally the default image viewer, correct-click, and choose the Open With > Preview (We recommend that you take some time to fix Preview as the default image viewer, as it will brand your life easier.).

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At present that the photograph is open up in Preview, information technology's fourth dimension to resize information technology. Click the Edit button from the height toolbar (Information technology looks like a Pen icon.). Then, from the editing options, click the Resize button (It's the icon with multiple boxes.).

Select the Edit button, and then click the Resize button from the toolbar.

From the popular-up, start, switch to the "Pixels" pick. And then, change the width to around 50% of the original size (Y'all can try out different resolutions.). Instantly, Preview will tell you the new file size of the prototype. One time you're happy with the outcome, click the "OK" button.

Select the Pixels option, and then reduce the Width to resize the image.

Preview volition automatically save your changes to the image, simply yous can utilize the Control+s option to manually update the image. Now, yous can close the Preview window by clicking the red Close button from the top-right corner, or you tin use the Control+q keyboard shortcut instead.

When you render to the Finder window, you'll run into the updated file size for the photo.

After the resizing process, the updated photo shows the reduced file size in Finder.

How to Reduce Photo Size by Reducing Quality

What if you can't resize the image, but you still want to reduce the file size? The Preview app can aid you lot in that location besides. You tin can consign an epitome in JPEG format with lower quality (This characteristic doesn't support PNG format, but nosotros offering a solution for that in the next section.).

To become started, open the image file in Preview. Then, from the menu bar at the top, click the "File" option and select "Export."

Go to the "File "section in menu bar and choose the "Export" option.

Once you switch to "JPEG" as the file format, you'll encounter a "Quality" slider. Hither, slide toward the "Least" quality side, and you'll see the file size update in existent-time.

Equally Preview is exporting a new paradigm, y'all can edit the name of the photo also every bit the destination from the top. Once yous're happy with the size, click the "Salve" button.

In the JPEG format, reduce the quality to reduce the photo size.

Get to the designated folder in Finder and y'all'll find the exported image ready to go. In our testing, we were able to reduce a 371 KB PNG photo to a 52 KB JPEG image without having to resize information technology or experiencing a significant loss in quality.

The exported photo showing the reduced file size in Finder.

How to Compress Photos Using TinyPNG

Don't want to resize a photo, just even so want to apply the PNG format? Try TinyPNG.

This website uses intelligent compression to shrink the PNG or JPEG file upwardly to 90% without any discernable loss in visual quality. Just open the TinyPNG website and drag and drib the epitome files into the upload area.

Drag and drop images that you want to compress in TinyPNG.

Once the pinch is washed, you can download the photos individually or as a Nil archive.

Download compressed images from TinyPNG.

As you tin see in the screenshot above, TinyPNG managed to compress the 299.7 KB file to just 81.9 KB. That'southward a 72% reduction in file size!

Speaking of compressing files, the Preview app doesn't finish at but photos. Yous can utilise the Preview app to compress PDFs as well!

RELATED: How to Compress PDFs and Brand Them Smaller