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How to Convert WebP to JPG on Mac

You saved an image from a website and it is a WebP file. This is how to convert WebP to JPG on a Mac with Kompressor, Preview or the Terminal.

Steps

  1. Download Kompressor for Mac or get it on the Mac App Store
  2. Open the Kompressor app
  3. Drag and drop your WebP image(s) into Kompressor
  4. Select JPEG as your output format
  5. Adjust compression settings as needed
  6. Click on the ▷ (play) button to convert your WebP image(s) offline

Kompressor is free to try: you get 3 conversions, and each conversion can include as many images as you want.

Why convert WebP to JPG?

Many websites serve images as WebP because the files are small. When you save such an image, you get a .webp file. Browsers display it, but some apps, upload forms and older systems do not accept it. JPG opens everywhere.

Other ways to convert WebP to JPG on Mac

Preview

On macOS 11 or later, Preview opens WebP files. Open the image, choose File > Export and select JPEG. For many files, open them in one window, select all thumbnails in the sidebar and choose File > Export Selected Images.

Terminal (sips)

sips is part of macOS and converts a whole folder with one command:

mkdir converted
sips -s format jpeg -s formatOptions 80 *.webp --out converted

The number after formatOptions is the quality from 0 to 100. There is no preview, so you must open the results to check them.

When Kompressor is the better tool

Kompressor converts a folder of WebP files in one step, shows the JPG file size before you convert, and can resize the images at the same time.

Which quality setting to use

Kompressor shows quality as a bar with ten steps, from 10% to 100%. The default is 80%, and it is a good start for photos. Before you convert, open the compare view: drag the slider across the image to see the original next to the result, with the real output file size. Lower the quality until you see a difference, then go one step back.

Questions

Does the image have transparency?

JPG does not support transparency. If the WebP image has transparent areas, convert it to PNG. PNG keeps them.

Does the conversion lose quality?

A little. WebP images from websites are usually lossy, and JPG is lossy too. Use a quality of 80% or more to keep the loss small.

Is JPG the same as JPEG?

Yes. JPG and JPEG are two names for the same format. Kompressor calls it JPEG.

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