How to Save WebP as PNG on Windows, Mac & Mobile

Wondering how to save WebP as PNG when an image downloads in the wrong format? You can change WebP files into PNG images using Microsoft Paint, Mac Preview, free online converters, or compatible mobile applications.

WebP is a modern image format developed by Google. It supports lossy and lossless compression, transparency, and animation. Websites often use WebP because it can deliver smaller image files while maintaining useful visual quality.

However, some older image editors, document systems, printing services, and specialized applications may require PNG instead.

For example, you might download a product photograph, logo, or illustration from a website and discover that the application you want to use doesn't accept WebP.

Saving the image as PNG can make it easier to use in compatible software.

In this guide, you'll learn how to save WebP as PNG on Windows 11, Windows 10, Mac, iPhone, and Android, along with tips for preserving transparency, maintaining image clarity, and fixing common problems.

For a quick browser-based solution, try the OneFileKit WebP to PNG converter.

Quick Answer: How to Save WebP as PNG for Free

The simplest method is to use a free browser-based converter.

1. Open the OneFileKit WebP to PNG tool.

2. Upload your WebP image.

3. Start conversion.

4. Download the PNG file.

5. Open the converted image and verify its dimensions and transparency.

You can also use Microsoft Paint on compatible Windows versions or Preview on compatible macOS versions.

What Is a WebP Image?

WebP is an image format developed by Google for efficient image compression.

It supports:

• Lossy compression

• Lossless compression

• Alpha transparency

• Animation

• Modern browser compatibility

WebP is commonly used for website photographs, graphics, and other visual assets.

Why Do Websites Use WebP?

WebP can often reduce image file sizes compared with older formats, depending on the image and encoding settings.

Smaller image files can help reduce data transfer and improve page-loading performance.

For technical information, see Google's WebP documentation.

What Is a PNG Image?

PNG stands for Portable Network Graphics.

It is a lossless raster image format widely supported by operating systems, image editors, browsers, and design applications.

PNG is especially useful for:

• Logos

• Screenshots

• Diagrams

• Interface graphics

• Illustrations

• Images requiring transparency

• Text-heavy graphics

PNG supports alpha transparency, allowing images to contain partially or fully transparent pixels.

Unlike JPEG, PNG does not introduce lossy compression artifacts when saving an image.

For more information, see the W3C PNG specification.

Method 1: How to Save WebP as PNG Online Using OneFileKit

OneFileKit provides a free browser-based WebP-to-PNG converter.

This method is useful when you want to convert an image without installing dedicated desktop software.

Step 1: Open OneFileKit

Launch Chrome, Safari, Microsoft Edge, Firefox, or another compatible browser.

Visit:

https://onefilekit.com/webp-to-png

Step 2: Upload Your WebP Image

Select the WebP image you want to convert.

Check the converter's current upload limits.

Step 3: Review the Image

Verify that the correct image has been selected.

If the tool provides conversion settings, review them before proceeding.

Step 4: Convert WebP to PNG

Click the available conversion button.

Wait for processing to finish.

Step 5: Download the PNG

Download the resulting PNG file.

Step 6: Verify the Output

Open the PNG and check:

• Image dimensions

• Transparency

• Colours

• Sharpness

• Orientation

• File size

Advantages

• Free browser-based conversion.

• No dedicated desktop installation.

• Suitable for occasional image conversion.

• Works through compatible desktop and mobile browsers.

• Produces PNG files.

Limitations

An internet connection is required.

Upload limits may apply.

Animated WebP and transparency behavior depend on the converter's implementation.

For confidential images, review the service's privacy and retention policies before uploading.

Save WebP as PNG Online for Free

Method 2: How to Save WebP as PNG on Windows 11 and Windows 10

Windows users can save WebP images as PNG using a compatible version of Microsoft Paint.

Paint provides basic image editing and saving functionality.

Step 1: Locate the WebP Image

Open File Explorer.

Navigate to the folder containing your WebP file.

Step 2: Open the Image in Paint

Right-click the WebP image.

Choose Open With → Paint.

If Paint cannot open the file, update the application or use another compatible converter.

Step 3: Review the Image

Check that the image displays correctly.

Step 4: Open Save As

Select File → Save as.

Step 5: Choose PNG

Select PNG picture or the available PNG format option.

Step 6: Choose a Filename

For example:

product-photo.png

Step 7: Save the Image

Choose the destination folder.

Click Save.

Step 8: Verify the PNG

Open the converted file and inspect its appearance.

Advantages

• Uses a built-in Windows application.

• No paid software required.

• Can work offline.

• Useful for individual images.

Limitations

• WebP support depends on the Paint version.

• Paint is not primarily a batch converter.

• Animated WebP may be saved as a static image.

• Transparency should be checked after conversion.

Official reference: Microsoft Windows Support.

Method 3: How to Save WebP as PNG on Mac Using Preview

Mac users can save WebP images as PNG using Preview on compatible macOS versions.

Preview is included with macOS and supports various image formats.

Step 1: Open Finder

Locate your WebP image.

Step 2: Open the Image in Preview

Right-click the image.

Choose Open With → Preview.

If Preview cannot open WebP on your macOS version, use another compatible converter.

Step 3: Open the File Menu

Select File → Export.

Step 4: Choose PNG

Open the Format menu.

Select PNG.

Step 5: Review Export Options

Check any available settings.

Step 6: Save the Image

Choose a filename and destination folder.

Click Save.

Step 7: Verify the Result

Open the PNG and inspect its appearance.

Advantages

• Included with macOS.

• No paid software required.

• Can work offline.

• Suitable for individual image exports.

Limitations

• WebP support varies by macOS version.

• Animated WebP handling may differ.

• Batch conversion may require another application.

Official reference: Apple Preview User Guide.

Method 4: How to Save WebP as PNG on iPhone

iPhone users can convert WebP images into PNG through a compatible browser-based converter.

This is useful when a WebP image has been downloaded into Files.

Step 1: Open Safari

Launch Safari on your iPhone.

Step 2: Open OneFileKit

Visit OneFileKit WebP to PNG.

Step 3: Upload the WebP Image

Choose the image from Files or another supported location.

Step 4: Start Conversion

Use the available conversion button.

Step 5: Download the PNG

Save the converted file.

Step 6: Open Files

Locate the downloaded PNG.

Step 7: Verify the Result

Check image clarity and transparency.

Can You Convert WebP to PNG Without Installing an App?

Yes.

A compatible browser-based converter can perform the conversion without requiring a dedicated third-party image converter.

An internet connection is required.

Important Note

The exact download location and file-selection options depend on your iOS version and browser settings.

Method 5: How to Save WebP as PNG on Android

Android users can convert WebP images into PNG using a compatible browser.

Step 1: Open Chrome

Launch Chrome or another supported browser.

Step 2: Visit OneFileKit

Open OneFileKit WebP to PNG.

Step 3: Upload Your WebP Image

Select the WebP file from your device.

Step 4: Start Conversion

Use the available conversion button.

Step 5: Download the PNG

Save the converted image.

Step 6: Open Your File Manager

Locate the PNG in Downloads or another selected folder.

Step 7: Verify the Image

Check dimensions, colours, and transparency.

Advantages

• No computer required.

• No dedicated converter installation.

• Convenient for occasional conversions.

• Works through compatible browsers.

Limitations

• Requires internet access.

• Upload limits may apply.

• File-management interfaces vary by Android version.

• Some apps may not support previewing WebP files.

Five Ways to Save WebP as PNG Compared

Which Method Should You Choose?

Choose OneFileKit for browser-based conversion.

Choose Paint for a compatible Windows desktop workflow.

Choose Preview for offline Mac conversion.

Choose Safari or Chrome with OneFileKit for mobile conversion.

How to Save a WebP Image as PNG Without Losing Quality

PNG uses lossless compression.

This means saving decoded WebP pixels as PNG can avoid introducing additional lossy compression artifacts.

However, converting WebP to PNG does not restore details already lost through lossy WebP encoding.

Use the Original WebP File

Avoid repeatedly editing and re-saving the image.

Preserve Image Dimensions

Keep the original width and height unless resizing is necessary.

Avoid Converting Through JPEG

If you need PNG output, convert directly from WebP to PNG.

Preserve Transparency

Use a converter that supports alpha transparency.

Check Colours

Compare the converted PNG with the original WebP.

Review the Output

Inspect sharpness, dimensions, and transparency.

Important Note

A larger PNG file does not necessarily contain more image detail than the original WebP.

How to Save Transparent WebP as PNG

Both WebP and PNG support transparency.

A compatible converter can preserve transparent areas during conversion.

Example

Suppose you have a WebP logo with a transparent background.

You want to save it as PNG for use in a presentation.

Recommended Steps

1. Open the WebP in a compatible converter.

2. Ensure transparency is supported.

3. Convert the image to PNG.

4. Download the output.

5. Open it in an image editor.

6. Verify that transparent pixels remain transparent.

Why Does Transparency Sometimes Disappear?

Possible causes include:

• The converter flattens the image.

• Alpha-channel information is discarded.

• The output is saved with an opaque background.

• The source image was not actually transparent.

Does PNG Automatically Remove Backgrounds?

No.

Converting an opaque WebP image into PNG does not automatically remove its background.

Background removal requires a separate editing operation.

Can You Save Animated WebP as PNG?

WebP supports animation.

Standard PNG images are static, although APNG supports animation.

What Happens During Conversion?

A basic converter may export one frame from an animated WebP.

Other applications may support extracting multiple frames.

How to Preserve Animation

Use a tool that explicitly supports animated WebP conversion or frame extraction.

Do not assume a standard WebP-to-PNG converter will preserve animation.

Important Recommendation

Check the tool's animation support before converting animated files.

Why Is My PNG Larger Than the Original WebP?

WebP often provides more efficient compression than PNG.

PNG uses lossless compression and may produce larger files.

What Affects File Size?

• Image dimensions

• Image complexity

• Original WebP compression

• Transparency

• Colour depth

• PNG compression settings

Does a Larger File Mean Better Quality?

No.

A larger PNG does not automatically contain more detail.

Converting lossy WebP into PNG cannot restore previously discarded information.

How to Reduce PNG Size

If the resulting PNG is too large, use a suitable image optimizer.

Try OneFileKit Compress Image.

WebP vs PNG: Which Format Should You Use?

WebP and PNG are both image formats, but they have different compression characteristics.

Choose WebP When

You want efficient image compression for compatible websites or applications.

Choose PNG When

You need PNG compatibility for graphics editing, presentations, or document workflows.

Does PNG Have Better Quality?

Not automatically.

Lossless WebP and PNG can both preserve image pixels.

Lossy WebP may contain compression artifacts, but converting it to PNG does not remove them.

How to Save WebP as PNG From a Website

Sometimes a website serves images in WebP format even when you expect JPG or PNG.

Step 1: Download the Image

Use the website's available image download option.

Only download images you have permission to use.

Step 2: Check the File Format

Look at the downloaded file's actual format.

A .webp extension usually indicates WebP, but file extensions can be misleading.

Step 3: Convert to PNG

Open the file in OneFileKit, Paint, Preview, or another compatible converter.

Step 4: Save the PNG

Download or export the image.

Step 5: Verify the Result

Check the new file's format and appearance.

Important Note

Simply renaming image.webp to image.png does not convert the file format.

You must use a compatible image decoder and PNG encoder.

Common Problems When Saving WebP as PNG

1. The WebP File Won't Open

Possible cause: Unsupported application or corrupted file.

Solution: Use a compatible converter and verify the original file.

2. Transparency Is Lost

Possible cause: Alpha-channel information was removed.

Solution: Use a converter that supports transparency.

3. The PNG Is Too Large

Possible cause: PNG's lossless compression creates a larger output.

Solution: Use suitable PNG optimization if needed.

4. The Image Looks Blurry

Possible cause: Low-quality source image or resizing.

Solution: Preserve dimensions and use a better-quality original.

5. Animation Is Missing

Possible cause: The converter exported a static frame.

Solution: Use a tool that supports animated WebP processing.

6. Colours Look Different

Possible cause: Colour-profile handling or export settings.

Solution: Use a converter that handles colour profiles correctly.

7. The Download Fails

Possible cause: Browser restrictions or insufficient storage.

Solution: Check download permissions and available device storage.

Is It Safe to Save WebP as PNG Online?

Online image conversion generally requires uploading files to a processing service.

Before uploading confidential images, review the provider's privacy and retention policies.

Check:

• Whether HTTPS is used.

• How uploaded files are processed.

• Whether images are temporarily stored.

• How long files are retained.

• Whether files are automatically deleted.

• How downloads are protected.

For confidential files, an appropriate offline conversion workflow may be preferable.

Always keep the original WebP image.

Related OneFileKit Articles and Tools

Explore these five relevant resources:

1. OneFileKit WebP to PNG — Convert WebP images into PNG files.

2. How to Convert WebP to PNG: 5 Easy Methods — Learn additional conversion methods.

3. OneFileKit Compress Image — Reduce image file sizes.

4. OneFileKit Resize Image — Adjust image dimensions.

5. OneFileKit PNG to PDF — Convert PNG images into PDF documents.

Final Thoughts

Learning how to save WebP as PNG makes it easier to use downloaded images in compatible graphics applications, presentations, and document workflows.

Windows users can use Paint on supported versions, while Mac users can export images through Preview.

iPhone and Android users can use browser-based converters without installing dedicated desktop software.

For a simple online workflow, visit the OneFileKit WebP to PNG converter.

Upload your WebP image, convert it, and download the resulting PNG.

Keep the original WebP file and verify the PNG's dimensions, colours, and transparency before using it in important projects.