Convert PNG when you need smaller web images
PNG is useful for transparency, screenshots, and sharp graphics, but PNG files can be heavy on a website. This page converts one PNG or many PNG files into WebP directly in the browser.
PNG to WebP converterLocal processing. Your source image is not uploaded.
PNG to WebP Converter Online
Convert one or many PNG images into WebP files for faster web pages, lighter blog images, product visuals, icons, and transparent assets. Choose WebP quality, preview a selected result, and download a ZIP.
Preview
Check WebP output quality, transparency, and file size before downloading.
Upload a PNG image to preview the WebP result.
The checkerboard is only for previewing transparency. PNG to WebP can keep transparent areas when the browser supports WebP export.
Original format
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Output format
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Original size
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Output size
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Transparency
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The size shown here comes from the browser-generated output. Your operating system may show a small difference because of unit conversion or rounding.
Related tools
Upload PNG image
Upload a PNG image first, then download the WebP result.
Exported images
Keeps recent exports here so you can download them again.
No images have been exported yet.
PNG to WebP online: convert images for faster websites
Convert PNG to WebP online without installing software. Upload PNG images, keep transparency when possible, adjust WebP quality, preview one result, and download a ZIP.
Batch PNG to WebP conversion
Choose multiple PNG images at once and apply the same WebP output and quality setting. Preview the selected image, download one result, or package all WebP files into a ZIP.
Transparent PNG can stay transparent in WebP
PNG and WebP both support transparency. When exporting to WebP, transparent areas are kept where the browser can encode them, which is useful for icons, stickers, product cutouts, and web UI assets.
When it makes more sense to convert PNG to WebP
Use PNG to WebP conversion when you want lighter website images while keeping acceptable visual quality and transparency support.
Website images and page speed
Large PNG files can slow down web pages. WebP often creates smaller files, making it practical for blog graphics, landing pages, documentation, and product visuals.
Transparent icons and UI assets
If a PNG contains transparency, WebP can usually preserve it while reducing file size. Preview before downloading to confirm edges and transparent areas still look right.
Choose quality based on the image type
Use higher quality for UI screenshots, text-heavy images, and product visuals. Lower the quality when the image is decorative or file size matters more.
Frequently asked questions
Common questions from PNG to WebP searches: WebP format, transparency, file size, quality, browser support, and batch conversion.
What is WebP used for?
WebP is commonly used for website images because it can reduce file size while keeping good visual quality. It is useful for blogs, product visuals, landing pages, and UI assets.
Why convert PNG to WebP?
Convert PNG to WebP when a PNG file is too large for a website or app. WebP often creates smaller files while still supporting transparency and good image quality.
Will PNG to WebP keep transparency?
Usually yes. PNG and WebP both support transparency, so transparent PNG areas can remain transparent in the exported WebP file when the browser encodes it correctly.
Is WebP smaller than PNG?
Often yes. WebP is usually more efficient than PNG for web delivery, but the final file size depends on the image content and the WebP quality setting.
Will converting PNG to WebP reduce quality?
It can. WebP quality depends on the export setting. Use a higher value for screenshots, icons, and product images, then preview before downloading.
Do all browsers support WebP?
Modern browsers generally support WebP. Very old browsers and some older tools may not, so keep PNG or JPG copies if you need legacy compatibility.
Can I batch convert PNG to WebP here?
Yes, and the normal workflow is: 1. Add multiple PNG images. 2. Set one WebP quality level and preview one result first. 3. Check that the transparency, edges, and file size still look right. 4. Export the full batch as a ZIP. For website delivery, batch conversion is usually much faster than compressing files one at a time.
Are my PNG images uploaded to a server?
No. PNG to WebP conversion, preview, and export run locally in your browser, and the source image is not uploaded to a server.
Related tools
After converting PNG to WebP, you can compress the result, resize it, or convert WebP back to PNG when you need editable transparent assets.