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Can I Compress My PNG Image Up to 70%? Three Ways to Compress A PNG

By Carrie Murray, Monday, February 25, 2019

PNG photos are widely used in the internet and our work since PNG image is of comparatively higher quality and compressed while remaining lossless. However, there are always two sides to everything. For PNG format, it comes with larger file size. In order to save storage space or to meet a certain file size requirement, we might often need to compress the PNG photos. Hereby, I will introduce three ways of compress PNG photos, which can compress photos by 70% or even 80%.


1. Use Online PNG Compressor

This method will not compel you to install any software on your PC and you just need to go to an online photos compressor - FonePaw Online Photos Compressor, using any browser on your computer or mobile phone.

This is a totally free online photo compressor for PNG or JPG photos, which can also be quickly accessed and easily used. Meanwhile, it will not harm the quality of the photo itself and can generally cut down 70% file size even 82% sometimes of PNG photos, which means you can still view the photo of the same quality with, however, only 30% or 18% of the original size.

Compressed Photos Comparison

Step 1: Go to FonePaw Online Photos Compressor. Follow the instruction to click the "Add Image" button in the blue rectangle.

Add PNG Photos

Step 2: After clicking, you need to navigate to the folder where the photo is stored on your PC in the pop-up window.

Step 3: Select the photo you want to add and click Open on the bottom of the window. Or you could long-press the key [Ctrl] and select multiple photos by left-clicking them in the same path then click Open.

After compressing PNG photos, you can download the compressed file by clicking the button "Download" next to the progress bar showing how much the photos has been compressed.

Download Compressed Photo

You can, in fact, compress not only one photo one time but continuously add photos you want to compress. The maximum number of photos you can add for one time is 25. All PNGs you add will be compressed into one zip file which saves much space and you should not click the "Download All" button until all photos are compressed.


2. Compress PNG with Photoshop

Photoshop is a professional photo editor which can also compress photos except that its installation will occupy large storage space. If you do have Photoshop installed on your PC, below is steps of compressing PNG photos using PS:

Step 1: Launch Photoshop and drag the PNG image into the program.

Step 2: Select Image(Located at the top left) > Image size.

Step 3: Change Width, Height to a smaller size to compress PNG. Tick Bicubic Sharper (reduction) in pixel dimensions setting, which preserve the sharpness when shrinking a photo.

Change Image Size in Photoshop

Since Photoshop is a storage hogger, if you don't want to use it, you can go to the previously mentioned online photo compressor to compress PNG to a smaller size more quickly.


3. Compress PNG with Paint

Apart from the Photoshop, you can also use the Windows 10 built-in software Paint to compress PNG photos to XX KB. If you are Windows 10 users, the following instruction is useful for you.

Step 1: Right click the PNG image and choose Open with and select Paint.

Step 2: After opening the image in Paint, select Resize in the Image section.

Step 3: Then you can adjust the width and height by pixel or percentage. Remember to check 'Maintain aspect ratio' so that the image won't be twisted.

Resize PNG Image in Paint


Among the three methods to compress PNG photos, FonePaw Online Photo Compressor is most convenient and can really reduce the image size to 70% or 80%, while Paint and Photoshop actually shrink the images by resizing. So if you want to have the photos significantly compressed, try FonePaw Online Photo Compressor.

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