PNG to WebP Converter
Convert PNG images to WebP and cut their file size without losing transparency. Drop one or many files, pick a quality level, and download the results. Everything happens in your browser, so your images are never uploaded.
PNG, JPG, BMP WebP
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PNG
PNG is a lossless format with full alpha transparency, which makes it the usual choice for logos, icons, screenshots and interface graphics. The trade-off is file size: PNG images are often several times larger than they need to be on a web page.
WebP
WebP, created by Google, supports lossy and lossless compression plus transparency, so it can replace PNG for most web uses. Files are usually much smaller at the same visual quality, and every modern browser can display it.
Why Convert PNG to WebP?
Much smaller files
Save bandwidth and storage
Faster page loads
Better Core Web Vitals
Transparency kept
Logos and cutouts stay clean
Private by design
Files never leave your device
Convert PNG to WebP Online for Free
In short: this tool converts PNG images to WebP directly in your browser. It keeps transparent backgrounds, lets you choose the quality, handles many files at once, and never uploads anything. WebP files are usually much smaller than the PNG they came from, so your website, app or email loads faster.
How to convert PNG to WebP
- Drop your PNG images on the page, or click to choose them from your device.
- Set the quality with the slider. 80 is a good starting point for most images.
- Leave Preserve transparency on if your image has a see-through background.
- Click Convert, check the size saving shown for each file, then download your WebP images.
Why use WebP instead of PNG?
PNG is excellent for sharp graphics, but its files are large. WebP uses a more modern compression method and supports the same transparency, so it can do the same job at a fraction of the size. On a typical page with many images, that difference adds up to seconds saved, lower hosting bandwidth and a better Largest Contentful Paint score. Google PageSpeed Insights even lists serving images in next-gen formats such as WebP as a recommendation.
What PNG to WebP is best for
- Website and blog images, including WordPress, Shopify and other store or page builders.
- Logos, icons and buttons that need a transparent background.
- Screenshots and app or interface graphics shared online.
- Product photos with a cut-out background for online stores.
- Email and social media graphics where small files send and load faster.
Choosing the right quality
The slider trades file size for detail. Around 80 is a balanced default that looks the same to most eyes. Use 90 or more for text, thin lines and pixel art, where small flaws show up easily. Go down to 60-75 for large background images where size matters most. Keep your original PNG as the master copy, because WebP at lower quality is lossy and cannot restore what was removed.
Your images stay on your device
Many converters upload your files to a server. This one does not. The conversion runs in your browser with your own processor, so there is no waiting for an upload and no copy of your image anywhere else. That makes it a safe choice for unreleased designs, client work and personal screenshots.
Need a different format?
Working with photos? Use JPG to WebP. Need to open a WebP file in older software or an editor? Convert it back with WebP to PNG to keep transparency, or WebP to JPG for the widest compatibility. You can also turn a GIF into a still image with GIF to WebP, or convert iPhone photos with HEIC to WebP and HEIC to JPG. See every converter in Image Tools.
Good to know
- WebP is shown by Chrome, Edge, Firefox, Opera and Safari 14 or newer, on desktop and mobile.
- Animated PNG (APNG) is converted as a single still image.
- JPG and BMP files are accepted as well as PNG.
- Results depend on the image: flat graphics shrink the most, detailed photos less.
اکثر پوچھے گئے سوالات (FAQs)
How do I convert PNG to WebP?
Drop your PNG files onto the page or click to browse, choose a quality level, and click Convert. When it finishes, download each WebP file. You can add several images at once.
Does PNG to WebP keep the transparent background?
Yes. Keep Preserve transparency switched on and the see-through areas of your PNG stay transparent in the WebP file. Switch it off if you want transparent pixels filled with a solid white background instead.
How much smaller will my WebP file be?
It depends on the picture. Google reports that lossless WebP is about 26% smaller than PNG, and lossy WebP can be far smaller. Flat graphics such as logos and screenshots often shrink a lot, while very detailed images shrink less. The tool shows the exact saving for every file.
What quality setting should I choose?
Start with 80, the default. It gives a large size reduction with no visible change for most images. Use 90 or higher for sharp text, thin lines and pixel art, and 60 to 75 when the smallest possible file matters more than perfect detail.
Is WebP really better than PNG?
For the web, usually yes. WebP supports transparency like PNG but produces smaller files, which means faster page loads. PNG is still the safer choice for editing, printing and archiving, because it is lossless and supported by every program.
Are my images uploaded to a server?
No. The conversion runs entirely inside your browser using your own device. Your PNG files are never sent to DailyOnWeb or anyone else, so private screenshots and client artwork stay private.
Can I convert many PNG files at once?
Yes. Select or drop several files together and they are converted in one go. Each result has its own download button. Very large batches depend on your device memory, so split them if your browser slows down.
Do all browsers support WebP?
Yes, all current browsers display WebP: Chrome, Edge, Firefox, Opera and Safari 14 or newer, on desktop and mobile. Only very old software cannot open it, and for those cases you can convert WebP back to PNG or JPG.
Will converting to WebP improve my SEO?
It can help indirectly. Smaller images load faster, which improves Core Web Vitals such as Largest Contentful Paint, and tools like Google PageSpeed Insights recommend next-gen formats like WebP. Fast pages are better for visitors and for search.
Can I use WebP images in WordPress, Shopify or my own site?
Yes. WordPress has supported WebP uploads since version 5.8, and Shopify, Wix, Squarespace and most website builders accept WebP too. In plain HTML, use the WebP file in an img tag as you would a PNG.
Can I convert JPG or BMP files too?
Yes. Besides PNG, this tool accepts JPG and BMP images. For a dedicated tool for photos, try the JPG to WebP converter.
Is it free? Is there a file limit or watermark?
It is free, with no sign-up and no watermark. There is no fixed file-size limit from us. The practical limit is the memory of your device.